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cve-2019-25038
Vulnerability from cvelistv5
Published
2021-04-27 05:17
Modified
2024-08-05 03:00
Severity ?
EPSS score ?
Summary
Unbound before 1.9.5 allows an integer overflow in a size calculation in dnscrypt/dnscrypt.c. NOTE: The vendor disputes that this is a vulnerability. Although the code may be vulnerable, a running Unbound installation cannot be remotely or locally exploited
References
▼ | URL | Tags | |
---|---|---|---|
cve@mitre.org | https://lists.debian.org/debian-lts-announce/2021/05/msg00007.html | Mailing List, Third Party Advisory | |
cve@mitre.org | https://ostif.org/our-audit-of-unbound-dns-by-x41-d-sec-full-results/ | Patch, Third Party Advisory | |
cve@mitre.org | https://security.netapp.com/advisory/ntap-20210507-0007/ | Third Party Advisory | |
af854a3a-2127-422b-91ae-364da2661108 | https://lists.debian.org/debian-lts-announce/2021/05/msg00007.html | Mailing List, Third Party Advisory | |
af854a3a-2127-422b-91ae-364da2661108 | https://ostif.org/our-audit-of-unbound-dns-by-x41-d-sec-full-results/ | Patch, Third Party Advisory | |
af854a3a-2127-422b-91ae-364da2661108 | https://security.netapp.com/advisory/ntap-20210507-0007/ | Third Party Advisory |
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rhsa-2021_1853
Vulnerability from csaf_redhat
Published
2021-05-18 14:39
Modified
2024-11-22 16:05
Summary
Red Hat Security Advisory: unbound security, bug fix, and enhancement update
Notes
Topic
An update for unbound is now available for Red Hat Enterprise Linux 8.
Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.
Details
The unbound packages provide a validating, recursive, and caching DNS or DNSSEC resolver.
Security Fix(es):
* unbound: integer overflow in the regional allocator via regional_alloc (CVE-2019-25032)
* unbound: integer overflow in sldns_str2wire_dname_buf_origin can lead to an out-of-bounds write (CVE-2019-25034)
* unbound: out-of-bounds write in sldns_bget_token_par (CVE-2019-25035)
* unbound: assertion failure and denial of service in synth_cname (CVE-2019-25036)
* unbound: assertion failure and denial of service in dname_pkt_copy via an invalid packet (CVE-2019-25037)
* unbound: integer overflow in a size calculation in dnscrypt/dnscrypt.c (CVE-2019-25038)
* unbound: integer overflow in a size calculation in respip/respip.c (CVE-2019-25039)
* unbound: infinite loop via a compressed name in dname_pkt_copy (CVE-2019-25040)
* unbound: assertion failure via a compressed name in dname_pkt_copy (CVE-2019-25041)
* unbound: out-of-bounds write via a compressed name in rdata_copy (CVE-2019-25042)
* unbound: symbolic link traversal when writing PID file (CVE-2020-28935)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
Additional Changes:
For detailed information on changes in this release, see the Red Hat Enterprise Linux 8.4 Release Notes linked from the References section.
Terms of Use
This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.
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A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.", "title": "Topic" }, { "category": "general", "text": "The unbound packages provide a validating, recursive, and caching DNS or DNSSEC resolver. \n\nSecurity Fix(es):\n\n* unbound: integer overflow in the regional allocator via regional_alloc (CVE-2019-25032)\n\n* unbound: integer overflow in sldns_str2wire_dname_buf_origin can lead to an out-of-bounds write (CVE-2019-25034)\n\n* unbound: out-of-bounds write in sldns_bget_token_par (CVE-2019-25035)\n\n* unbound: assertion failure and denial of service in synth_cname (CVE-2019-25036)\n\n* unbound: assertion failure and denial of service in dname_pkt_copy via an invalid packet (CVE-2019-25037)\n\n* unbound: integer overflow in a size calculation in dnscrypt/dnscrypt.c (CVE-2019-25038)\n\n* unbound: integer overflow in a size calculation in respip/respip.c (CVE-2019-25039)\n\n* unbound: infinite loop via a compressed name in dname_pkt_copy (CVE-2019-25040)\n\n* unbound: assertion failure via a compressed name in dname_pkt_copy (CVE-2019-25041)\n\n* unbound: out-of-bounds write via a compressed name in rdata_copy (CVE-2019-25042)\n\n* unbound: symbolic link traversal when writing PID file (CVE-2020-28935)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.\n\nAdditional Changes:\n\nFor detailed information on changes in this release, see the Red Hat Enterprise Linux 8.4 Release Notes linked from the References section.", "title": "Details" }, { "category": "legal_disclaimer", "text": "This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.", "title": "Terms of Use" } ], "publisher": { "category": "vendor", "contact_details": "https://access.redhat.com/security/team/contact/", "issuing_authority": "Red Hat Product Security is responsible for vulnerability handling across all Red Hat products and services.", "name": "Red Hat Product Security", "namespace": "https://www.redhat.com" }, "references": [ { "category": "self", "summary": "https://access.redhat.com/errata/RHSA-2021:1853", "url": "https://access.redhat.com/errata/RHSA-2021:1853" }, { "category": "external", "summary": "https://access.redhat.com/security/updates/classification/#moderate", "url": "https://access.redhat.com/security/updates/classification/#moderate" }, { "category": "external", "summary": "https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/html/8.4_release_notes/", "url": 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"category": "default_component_of", "full_product_name": { "name": "unbound-libs-debuginfo-0:1.7.3-15.el8.x86_64 as a component of Red Hat Enterprise Linux AppStream (v. 8)", "product_id": "AppStream-8.4.0.GA:unbound-libs-debuginfo-0:1.7.3-15.el8.x86_64" }, "product_reference": "unbound-libs-debuginfo-0:1.7.3-15.el8.x86_64", "relates_to_product_reference": "AppStream-8.4.0.GA" } ] }, "vulnerabilities": [ { "cve": "CVE-2019-25032", "cwe": { "id": "CWE-190", "name": "Integer Overflow or Wraparound" }, "discovery_date": "2021-04-27T00:00:00+00:00", "ids": [ { "system_name": "Red Hat Bugzilla ID", "text": "1954772" } ], "notes": [ { "category": "description", "text": "A flaw was found in unbound. An integer overflow in regional_alloc function may lead to a buffer overflow of the allocated buffer if the size can be controlled by an attacker and can be big enough. The highest threat from this vulnerability is to data confidentiality and integrity as well as service availability.", "title": "Vulnerability description" }, { "category": "summary", "text": "unbound: integer overflow in the regional allocator via regional_alloc", "title": "Vulnerability summary" }, { "category": "other", "text": "There is no available reproducer or proof of concept for this issue, nor it was ever proven the buffer overflow can happen in practice. Indeed in the original report this issue was considered one that might not be triggered and for this reason its Impact is Moderate. Upstream has also disputed this CVE.", "title": "Statement" }, { "category": "general", "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.", "title": "CVSS score applicability" } ], "product_status": { "fixed": [ "AppStream-8.4.0.GA:python3-unbound-0:1.7.3-15.el8.aarch64", "AppStream-8.4.0.GA:python3-unbound-0:1.7.3-15.el8.ppc64le", "AppStream-8.4.0.GA:python3-unbound-0:1.7.3-15.el8.s390x", "AppStream-8.4.0.GA:python3-unbound-0:1.7.3-15.el8.x86_64", "AppStream-8.4.0.GA:python3-unbound-debuginfo-0:1.7.3-15.el8.aarch64", "AppStream-8.4.0.GA:python3-unbound-debuginfo-0:1.7.3-15.el8.i686", "AppStream-8.4.0.GA:python3-unbound-debuginfo-0:1.7.3-15.el8.ppc64le", "AppStream-8.4.0.GA:python3-unbound-debuginfo-0:1.7.3-15.el8.s390x", "AppStream-8.4.0.GA:python3-unbound-debuginfo-0:1.7.3-15.el8.x86_64", 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"https://bugzilla.redhat.com/show_bug.cgi?id=1954772" }, { "category": "external", "summary": "https://www.cve.org/CVERecord?id=CVE-2019-25032", "url": "https://www.cve.org/CVERecord?id=CVE-2019-25032" }, { "category": "external", "summary": "https://nvd.nist.gov/vuln/detail/CVE-2019-25032", "url": "https://nvd.nist.gov/vuln/detail/CVE-2019-25032" } ], "release_date": "2019-12-11T00:00:00+00:00", "remediations": [ { "category": "vendor_fix", "date": "2021-05-18T14:39:25+00:00", "details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258", "product_ids": [ "AppStream-8.4.0.GA:python3-unbound-0:1.7.3-15.el8.aarch64", "AppStream-8.4.0.GA:python3-unbound-0:1.7.3-15.el8.ppc64le", "AppStream-8.4.0.GA:python3-unbound-0:1.7.3-15.el8.s390x", "AppStream-8.4.0.GA:python3-unbound-0:1.7.3-15.el8.x86_64", "AppStream-8.4.0.GA:python3-unbound-debuginfo-0:1.7.3-15.el8.aarch64", 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An integer overflow in the sldns_str2wire_dname_buf_origin function may lead to a buffer overflow. The highest threat from this vulnerability is to data confidentiality and integrity as well as service availability.", "title": "Vulnerability description" }, { "category": "summary", "text": "unbound: integer overflow in sldns_str2wire_dname_buf_origin can lead to an out-of-bounds write", "title": "Vulnerability summary" }, { "category": "other", "text": "There is no available reproducer or proof of concept for this issue, nor it was ever proven the buffer overflow can happen in practice. Indeed in the original report this issue was considered one that might not be triggered and for this reason its Impact is Moderate. Upstream has also disputed this CVE.", "title": "Statement" }, { "category": "general", "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.", "title": "CVSS score applicability" } ], "product_status": { "fixed": [ "AppStream-8.4.0.GA:python3-unbound-0:1.7.3-15.el8.aarch64", "AppStream-8.4.0.GA:python3-unbound-0:1.7.3-15.el8.ppc64le", "AppStream-8.4.0.GA:python3-unbound-0:1.7.3-15.el8.s390x", "AppStream-8.4.0.GA:python3-unbound-0:1.7.3-15.el8.x86_64", "AppStream-8.4.0.GA:python3-unbound-debuginfo-0:1.7.3-15.el8.aarch64", "AppStream-8.4.0.GA:python3-unbound-debuginfo-0:1.7.3-15.el8.i686", "AppStream-8.4.0.GA:python3-unbound-debuginfo-0:1.7.3-15.el8.ppc64le", "AppStream-8.4.0.GA:python3-unbound-debuginfo-0:1.7.3-15.el8.s390x", "AppStream-8.4.0.GA:python3-unbound-debuginfo-0:1.7.3-15.el8.x86_64", 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"https://bugzilla.redhat.com/show_bug.cgi?id=1954778" }, { "category": "external", "summary": "https://www.cve.org/CVERecord?id=CVE-2019-25034", "url": "https://www.cve.org/CVERecord?id=CVE-2019-25034" }, { "category": "external", "summary": "https://nvd.nist.gov/vuln/detail/CVE-2019-25034", "url": "https://nvd.nist.gov/vuln/detail/CVE-2019-25034" } ], "release_date": "2019-12-11T00:00:00+00:00", "remediations": [ { "category": "vendor_fix", "date": "2021-05-18T14:39:25+00:00", "details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258", "product_ids": [ "AppStream-8.4.0.GA:python3-unbound-0:1.7.3-15.el8.aarch64", "AppStream-8.4.0.GA:python3-unbound-0:1.7.3-15.el8.ppc64le", "AppStream-8.4.0.GA:python3-unbound-0:1.7.3-15.el8.s390x", "AppStream-8.4.0.GA:python3-unbound-0:1.7.3-15.el8.x86_64", "AppStream-8.4.0.GA:python3-unbound-debuginfo-0:1.7.3-15.el8.aarch64", 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An out-of-bounds write in the sldns_bget_token_par function may be abused by a remote attacker. The highest threat from this vulnerability is to data confidentiality and integrity as well as service availability.", "title": "Vulnerability description" }, { "category": "summary", "text": "unbound: out-of-bounds write in sldns_bget_token_par", "title": "Vulnerability summary" }, { "category": "other", "text": "There is no available reproducer or proof of concept for this issue, nor it was ever proven the out-of-bounds write can happen in practice. Indeed in the original report this issue was considered one that might not be triggered and for this reason its Impact is Moderate. Upstream has also disputed this CVE.", "title": "Statement" }, { "category": "general", "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.", "title": "CVSS score applicability" } ], "product_status": { "fixed": [ "AppStream-8.4.0.GA:python3-unbound-0:1.7.3-15.el8.aarch64", "AppStream-8.4.0.GA:python3-unbound-0:1.7.3-15.el8.ppc64le", "AppStream-8.4.0.GA:python3-unbound-0:1.7.3-15.el8.s390x", "AppStream-8.4.0.GA:python3-unbound-0:1.7.3-15.el8.x86_64", "AppStream-8.4.0.GA:python3-unbound-debuginfo-0:1.7.3-15.el8.aarch64", "AppStream-8.4.0.GA:python3-unbound-debuginfo-0:1.7.3-15.el8.i686", "AppStream-8.4.0.GA:python3-unbound-debuginfo-0:1.7.3-15.el8.ppc64le", "AppStream-8.4.0.GA:python3-unbound-debuginfo-0:1.7.3-15.el8.s390x", "AppStream-8.4.0.GA:python3-unbound-debuginfo-0:1.7.3-15.el8.x86_64", 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"https://bugzilla.redhat.com/show_bug.cgi?id=1954780" }, { "category": "external", "summary": "https://www.cve.org/CVERecord?id=CVE-2019-25035", "url": "https://www.cve.org/CVERecord?id=CVE-2019-25035" }, { "category": "external", "summary": "https://nvd.nist.gov/vuln/detail/CVE-2019-25035", "url": "https://nvd.nist.gov/vuln/detail/CVE-2019-25035" } ], "release_date": "2019-12-11T00:00:00+00:00", "remediations": [ { "category": "vendor_fix", "date": "2021-05-18T14:39:25+00:00", "details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258", "product_ids": [ "AppStream-8.4.0.GA:python3-unbound-0:1.7.3-15.el8.aarch64", "AppStream-8.4.0.GA:python3-unbound-0:1.7.3-15.el8.ppc64le", "AppStream-8.4.0.GA:python3-unbound-0:1.7.3-15.el8.s390x", "AppStream-8.4.0.GA:python3-unbound-0:1.7.3-15.el8.x86_64", "AppStream-8.4.0.GA:python3-unbound-debuginfo-0:1.7.3-15.el8.aarch64", 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A reachable assertion in the synth_cname function can be triggered by sending invalid packets to the server. If asserts are disabled during compilation, this issue might lead to an out-of-bounds write in dname_pkt_copy function. The highest threat from this vulnerability is to data confidentiality and integrity as well as service availability.", "title": "Vulnerability description" }, { "category": "summary", "text": "unbound: assertion failure and denial of service in synth_cname", "title": "Vulnerability summary" }, { "category": "other", "text": "This issue could not be triggered by running unbound regularly, but only by injecting the packet directly to the vulnerable function through fuzzing. For this reason its Impact is Moderate. Upstream has also disputed this CVE.", "title": "Statement" }, { "category": "general", "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.", "title": "CVSS score applicability" } ], "product_status": { "fixed": [ "AppStream-8.4.0.GA:python3-unbound-0:1.7.3-15.el8.aarch64", "AppStream-8.4.0.GA:python3-unbound-0:1.7.3-15.el8.ppc64le", "AppStream-8.4.0.GA:python3-unbound-0:1.7.3-15.el8.s390x", "AppStream-8.4.0.GA:python3-unbound-0:1.7.3-15.el8.x86_64", "AppStream-8.4.0.GA:python3-unbound-debuginfo-0:1.7.3-15.el8.aarch64", "AppStream-8.4.0.GA:python3-unbound-debuginfo-0:1.7.3-15.el8.i686", "AppStream-8.4.0.GA:python3-unbound-debuginfo-0:1.7.3-15.el8.ppc64le", "AppStream-8.4.0.GA:python3-unbound-debuginfo-0:1.7.3-15.el8.s390x", "AppStream-8.4.0.GA:python3-unbound-debuginfo-0:1.7.3-15.el8.x86_64", 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"https://bugzilla.redhat.com/show_bug.cgi?id=1954782" }, { "category": "external", "summary": "https://www.cve.org/CVERecord?id=CVE-2019-25036", "url": "https://www.cve.org/CVERecord?id=CVE-2019-25036" }, { "category": "external", "summary": "https://nvd.nist.gov/vuln/detail/CVE-2019-25036", "url": "https://nvd.nist.gov/vuln/detail/CVE-2019-25036" } ], "release_date": "2019-12-11T00:00:00+00:00", "remediations": [ { "category": "vendor_fix", "date": "2021-05-18T14:39:25+00:00", "details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258", "product_ids": [ "AppStream-8.4.0.GA:python3-unbound-0:1.7.3-15.el8.aarch64", "AppStream-8.4.0.GA:python3-unbound-0:1.7.3-15.el8.ppc64le", "AppStream-8.4.0.GA:python3-unbound-0:1.7.3-15.el8.s390x", "AppStream-8.4.0.GA:python3-unbound-0:1.7.3-15.el8.x86_64", "AppStream-8.4.0.GA:python3-unbound-debuginfo-0:1.7.3-15.el8.aarch64", 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A reachable assertion in the dname_pkt_copy function can be triggered by sending invalid packets to the server. The highest threat from this vulnerability is to service availability.", "title": "Vulnerability description" }, { "category": "summary", "text": "unbound: assertion failure and denial of service in dname_pkt_copy via an invalid packet", "title": "Vulnerability summary" }, { "category": "other", "text": "Upstream has disputed this CVE.", "title": "Statement" }, { "category": "general", "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.", "title": "CVSS score applicability" } ], "product_status": { "fixed": [ "AppStream-8.4.0.GA:python3-unbound-0:1.7.3-15.el8.aarch64", "AppStream-8.4.0.GA:python3-unbound-0:1.7.3-15.el8.ppc64le", "AppStream-8.4.0.GA:python3-unbound-0:1.7.3-15.el8.s390x", "AppStream-8.4.0.GA:python3-unbound-0:1.7.3-15.el8.x86_64", "AppStream-8.4.0.GA:python3-unbound-debuginfo-0:1.7.3-15.el8.aarch64", 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An integer overflow in dnsc_load_local_data function may lead to a buffer overflow of the allocated buffer if the size can be controlled by an attacker. The highest threat from this vulnerability is to data confidentiality and integrity as well as service availability.", "title": "Vulnerability description" }, { "category": "summary", "text": "unbound: integer overflow in a size calculation in dnscrypt/dnscrypt.c", "title": "Vulnerability summary" }, { "category": "other", "text": "There is no available reproducer or proof of concept for this issue, nor it was ever proven the integer overflow can lead to a buffer overflow in practice. Indeed in the original report this issue was considered one that might not be triggered and for this reason its Impact is Moderate. Upstream has also disputed this CVE.", "title": "Statement" }, { "category": "general", "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.", "title": "CVSS score applicability" } ], "product_status": { "fixed": [ "AppStream-8.4.0.GA:python3-unbound-0:1.7.3-15.el8.aarch64", "AppStream-8.4.0.GA:python3-unbound-0:1.7.3-15.el8.ppc64le", "AppStream-8.4.0.GA:python3-unbound-0:1.7.3-15.el8.s390x", "AppStream-8.4.0.GA:python3-unbound-0:1.7.3-15.el8.x86_64", "AppStream-8.4.0.GA:python3-unbound-debuginfo-0:1.7.3-15.el8.aarch64", "AppStream-8.4.0.GA:python3-unbound-debuginfo-0:1.7.3-15.el8.i686", "AppStream-8.4.0.GA:python3-unbound-debuginfo-0:1.7.3-15.el8.ppc64le", "AppStream-8.4.0.GA:python3-unbound-debuginfo-0:1.7.3-15.el8.s390x", "AppStream-8.4.0.GA:python3-unbound-debuginfo-0:1.7.3-15.el8.x86_64", 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"https://bugzilla.redhat.com/show_bug.cgi?id=1954796" }, { "category": "external", "summary": "https://www.cve.org/CVERecord?id=CVE-2019-25038", "url": "https://www.cve.org/CVERecord?id=CVE-2019-25038" }, { "category": "external", "summary": "https://nvd.nist.gov/vuln/detail/CVE-2019-25038", "url": "https://nvd.nist.gov/vuln/detail/CVE-2019-25038" } ], "release_date": "2019-12-11T00:00:00+00:00", "remediations": [ { "category": "vendor_fix", "date": "2021-05-18T14:39:25+00:00", "details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258", "product_ids": [ "AppStream-8.4.0.GA:python3-unbound-0:1.7.3-15.el8.aarch64", "AppStream-8.4.0.GA:python3-unbound-0:1.7.3-15.el8.ppc64le", "AppStream-8.4.0.GA:python3-unbound-0:1.7.3-15.el8.s390x", "AppStream-8.4.0.GA:python3-unbound-0:1.7.3-15.el8.x86_64", "AppStream-8.4.0.GA:python3-unbound-debuginfo-0:1.7.3-15.el8.aarch64", 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An integer overflow in ub_packed_rrset_key function may lead to a buffer overflow of the allocated buffer if the size can be controlled by an attacker. The highest threat from this vulnerability is to data confidentiality and integrity as well as service availability.", "title": "Vulnerability description" }, { "category": "summary", "text": "unbound: integer overflow in a size calculation in respip/respip.c", "title": "Vulnerability summary" }, { "category": "other", "text": "There is no available reproducer or proof of concept for this issue, nor it was ever proven the integer overflow can lead to a buffer overflow in practice. Indeed in the original report this issue was considered one that might not be triggered and for this reason its Impact is Moderate. Upstream has also disputed this CVE.", "title": "Statement" }, { "category": "general", "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.", "title": "CVSS score applicability" } ], "product_status": { "fixed": [ "AppStream-8.4.0.GA:python3-unbound-0:1.7.3-15.el8.aarch64", "AppStream-8.4.0.GA:python3-unbound-0:1.7.3-15.el8.ppc64le", "AppStream-8.4.0.GA:python3-unbound-0:1.7.3-15.el8.s390x", "AppStream-8.4.0.GA:python3-unbound-0:1.7.3-15.el8.x86_64", "AppStream-8.4.0.GA:python3-unbound-debuginfo-0:1.7.3-15.el8.aarch64", "AppStream-8.4.0.GA:python3-unbound-debuginfo-0:1.7.3-15.el8.i686", "AppStream-8.4.0.GA:python3-unbound-debuginfo-0:1.7.3-15.el8.ppc64le", "AppStream-8.4.0.GA:python3-unbound-debuginfo-0:1.7.3-15.el8.s390x", "AppStream-8.4.0.GA:python3-unbound-debuginfo-0:1.7.3-15.el8.x86_64", 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"https://bugzilla.redhat.com/show_bug.cgi?id=1954797" }, { "category": "external", "summary": "https://www.cve.org/CVERecord?id=CVE-2019-25039", "url": "https://www.cve.org/CVERecord?id=CVE-2019-25039" }, { "category": "external", "summary": "https://nvd.nist.gov/vuln/detail/CVE-2019-25039", "url": "https://nvd.nist.gov/vuln/detail/CVE-2019-25039" } ], "release_date": "2019-12-11T00:00:00+00:00", "remediations": [ { "category": "vendor_fix", "date": "2021-05-18T14:39:25+00:00", "details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258", "product_ids": [ "AppStream-8.4.0.GA:python3-unbound-0:1.7.3-15.el8.aarch64", "AppStream-8.4.0.GA:python3-unbound-0:1.7.3-15.el8.ppc64le", "AppStream-8.4.0.GA:python3-unbound-0:1.7.3-15.el8.s390x", "AppStream-8.4.0.GA:python3-unbound-0:1.7.3-15.el8.x86_64", "AppStream-8.4.0.GA:python3-unbound-debuginfo-0:1.7.3-15.el8.aarch64", 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An infinite loop in dname_pkt_copy function could be triggered by a remote attacker. The highest threat from this vulnerability is to service availability.", "title": "Vulnerability description" }, { "category": "summary", "text": "unbound: infinite loop via a compressed name in dname_pkt_copy", "title": "Vulnerability summary" }, { "category": "other", "text": "There is no available reproducer or proof of concept for this issue, nor it was ever proven the infinite loop can be triggered in practice. Indeed in the original report this issue was considered one that might not be triggered and for this reason its Impact is Moderate. Upstream has also disputed this CVE.", "title": "Statement" }, { "category": "general", "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.", "title": "CVSS score applicability" } ], "product_status": { "fixed": [ "AppStream-8.4.0.GA:python3-unbound-0:1.7.3-15.el8.aarch64", "AppStream-8.4.0.GA:python3-unbound-0:1.7.3-15.el8.ppc64le", "AppStream-8.4.0.GA:python3-unbound-0:1.7.3-15.el8.s390x", "AppStream-8.4.0.GA:python3-unbound-0:1.7.3-15.el8.x86_64", "AppStream-8.4.0.GA:python3-unbound-debuginfo-0:1.7.3-15.el8.aarch64", "AppStream-8.4.0.GA:python3-unbound-debuginfo-0:1.7.3-15.el8.i686", "AppStream-8.4.0.GA:python3-unbound-debuginfo-0:1.7.3-15.el8.ppc64le", "AppStream-8.4.0.GA:python3-unbound-debuginfo-0:1.7.3-15.el8.s390x", "AppStream-8.4.0.GA:python3-unbound-debuginfo-0:1.7.3-15.el8.x86_64", 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A reachable assertion in the dname_pkt_copy function can be triggered through compressed names. The highest threat from this vulnerability is to service availability.", "title": "Vulnerability description" }, { "category": "summary", "text": "unbound: assertion failure via a compressed name in dname_pkt_copy", "title": "Vulnerability summary" }, { "category": "other", "text": "According to the original report there are checks happening before the affected function that make this not exploitable. For these reasons its Impact is Moderate. Upstream has also disputed this CVE.", "title": "Statement" }, { "category": "general", "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.", "title": "CVSS score applicability" } ], "product_status": { "fixed": [ "AppStream-8.4.0.GA:python3-unbound-0:1.7.3-15.el8.aarch64", "AppStream-8.4.0.GA:python3-unbound-0:1.7.3-15.el8.ppc64le", "AppStream-8.4.0.GA:python3-unbound-0:1.7.3-15.el8.s390x", "AppStream-8.4.0.GA:python3-unbound-0:1.7.3-15.el8.x86_64", "AppStream-8.4.0.GA:python3-unbound-debuginfo-0:1.7.3-15.el8.aarch64", "AppStream-8.4.0.GA:python3-unbound-debuginfo-0:1.7.3-15.el8.i686", "AppStream-8.4.0.GA:python3-unbound-debuginfo-0:1.7.3-15.el8.ppc64le", "AppStream-8.4.0.GA:python3-unbound-debuginfo-0:1.7.3-15.el8.s390x", "AppStream-8.4.0.GA:python3-unbound-debuginfo-0:1.7.3-15.el8.x86_64", 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"https://bugzilla.redhat.com/show_bug.cgi?id=1954801" }, { "category": "external", "summary": "https://www.cve.org/CVERecord?id=CVE-2019-25041", "url": "https://www.cve.org/CVERecord?id=CVE-2019-25041" }, { "category": "external", "summary": "https://nvd.nist.gov/vuln/detail/CVE-2019-25041", "url": "https://nvd.nist.gov/vuln/detail/CVE-2019-25041" } ], "release_date": "2019-12-11T00:00:00+00:00", "remediations": [ { "category": "vendor_fix", "date": "2021-05-18T14:39:25+00:00", "details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258", "product_ids": [ "AppStream-8.4.0.GA:python3-unbound-0:1.7.3-15.el8.aarch64", "AppStream-8.4.0.GA:python3-unbound-0:1.7.3-15.el8.ppc64le", "AppStream-8.4.0.GA:python3-unbound-0:1.7.3-15.el8.s390x", "AppStream-8.4.0.GA:python3-unbound-0:1.7.3-15.el8.x86_64", "AppStream-8.4.0.GA:python3-unbound-debuginfo-0:1.7.3-15.el8.aarch64", 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An out-of-bounds write in the rdata_copy function may be abused by a remote attacker. The highest threat from this vulnerability is to data confidentiality and integrity as well as service availability.", "title": "Vulnerability description" }, { "category": "summary", "text": "unbound: out-of-bounds write via a compressed name in rdata_copy", "title": "Vulnerability summary" }, { "category": "other", "text": "According to the original report there are checks happening before the affected function that make this not exploitable. For these reasons its Impact is Moderate. Upstream has also disputed this CVE.", "title": "Statement" }, { "category": "general", "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.", "title": "CVSS score applicability" } ], "product_status": { "fixed": [ "AppStream-8.4.0.GA:python3-unbound-0:1.7.3-15.el8.aarch64", "AppStream-8.4.0.GA:python3-unbound-0:1.7.3-15.el8.ppc64le", "AppStream-8.4.0.GA:python3-unbound-0:1.7.3-15.el8.s390x", "AppStream-8.4.0.GA:python3-unbound-0:1.7.3-15.el8.x86_64", "AppStream-8.4.0.GA:python3-unbound-debuginfo-0:1.7.3-15.el8.aarch64", "AppStream-8.4.0.GA:python3-unbound-debuginfo-0:1.7.3-15.el8.i686", "AppStream-8.4.0.GA:python3-unbound-debuginfo-0:1.7.3-15.el8.ppc64le", "AppStream-8.4.0.GA:python3-unbound-debuginfo-0:1.7.3-15.el8.s390x", "AppStream-8.4.0.GA:python3-unbound-debuginfo-0:1.7.3-15.el8.x86_64", 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"https://bugzilla.redhat.com/show_bug.cgi?id=1954804" }, { "category": "external", "summary": "https://www.cve.org/CVERecord?id=CVE-2019-25042", "url": "https://www.cve.org/CVERecord?id=CVE-2019-25042" }, { "category": "external", "summary": "https://nvd.nist.gov/vuln/detail/CVE-2019-25042", "url": "https://nvd.nist.gov/vuln/detail/CVE-2019-25042" } ], "release_date": "2019-12-11T00:00:00+00:00", "remediations": [ { "category": "vendor_fix", "date": "2021-05-18T14:39:25+00:00", "details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258", "product_ids": [ "AppStream-8.4.0.GA:python3-unbound-0:1.7.3-15.el8.aarch64", "AppStream-8.4.0.GA:python3-unbound-0:1.7.3-15.el8.ppc64le", "AppStream-8.4.0.GA:python3-unbound-0:1.7.3-15.el8.s390x", "AppStream-8.4.0.GA:python3-unbound-0:1.7.3-15.el8.x86_64", "AppStream-8.4.0.GA:python3-unbound-debuginfo-0:1.7.3-15.el8.aarch64", 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This flaw allows a local attacker with access to the unbound user to set up a link to another file, owned by root, and make unbound overwrite it during its next restart, destroying the original content. The highest threat from this vulnerability is integrity.", "title": "Vulnerability description" }, { "category": "summary", "text": "unbound: symbolic link traversal when writing PID file", "title": "Vulnerability summary" }, { "category": "general", "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.", "title": "CVSS score applicability" } ], "product_status": { "fixed": [ "AppStream-8.4.0.GA:python3-unbound-0:1.7.3-15.el8.aarch64", "AppStream-8.4.0.GA:python3-unbound-0:1.7.3-15.el8.ppc64le", "AppStream-8.4.0.GA:python3-unbound-0:1.7.3-15.el8.s390x", "AppStream-8.4.0.GA:python3-unbound-0:1.7.3-15.el8.x86_64", "AppStream-8.4.0.GA:python3-unbound-debuginfo-0:1.7.3-15.el8.aarch64", "AppStream-8.4.0.GA:python3-unbound-debuginfo-0:1.7.3-15.el8.i686", "AppStream-8.4.0.GA:python3-unbound-debuginfo-0:1.7.3-15.el8.ppc64le", 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"category": "self", "summary": "Canonical URL", "url": "https://access.redhat.com/security/cve/CVE-2020-28935" }, { "category": "external", "summary": "RHBZ#1878761", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1878761" }, { "category": "external", "summary": "https://www.cve.org/CVERecord?id=CVE-2020-28935", "url": "https://www.cve.org/CVERecord?id=CVE-2020-28935" }, { "category": "external", "summary": "https://nvd.nist.gov/vuln/detail/CVE-2020-28935", "url": "https://nvd.nist.gov/vuln/detail/CVE-2020-28935" } ], "release_date": "2020-09-09T00:00:00+00:00", "remediations": [ { "category": "vendor_fix", "date": "2021-05-18T14:39:25+00:00", "details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258", "product_ids": [ "AppStream-8.4.0.GA:python3-unbound-0:1.7.3-15.el8.aarch64", "AppStream-8.4.0.GA:python3-unbound-0:1.7.3-15.el8.ppc64le", 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"AppStream-8.4.0.GA:unbound-libs-debuginfo-0:1.7.3-15.el8.x86_64" ] } ], "threats": [ { "category": "impact", "details": "Low" } ], "title": "unbound: symbolic link traversal when writing PID file" } ] }
rhsa-2022_0632
Vulnerability from csaf_redhat
Published
2022-02-22 15:16
Modified
2024-11-22 16:05
Summary
Red Hat Security Advisory: unbound security update
Notes
Topic
An update for unbound is now available for Red Hat Enterprise Linux 8.2 Extended Update Support.
Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.
Details
The unbound packages provide a validating, recursive, and caching DNS or DNSSEC resolver.
Security Fix(es):
* unbound: integer overflow in the regional allocator via regional_alloc (CVE-2019-25032)
* unbound: integer overflow in sldns_str2wire_dname_buf_origin can lead to an out-of-bounds write (CVE-2019-25034)
* unbound: out-of-bounds write in sldns_bget_token_par (CVE-2019-25035)
* unbound: assertion failure and denial of service in synth_cname (CVE-2019-25036)
* unbound: assertion failure and denial of service in dname_pkt_copy via an invalid packet (CVE-2019-25037)
* unbound: integer overflow in a size calculation in dnscrypt/dnscrypt.c (CVE-2019-25038)
* unbound: integer overflow in a size calculation in respip/respip.c (CVE-2019-25039)
* unbound: infinite loop via a compressed name in dname_pkt_copy (CVE-2019-25040)
* unbound: assertion failure via a compressed name in dname_pkt_copy (CVE-2019-25041)
* unbound: out-of-bounds write via a compressed name in rdata_copy (CVE-2019-25042)
* unbound: symbolic link traversal when writing PID file (CVE-2020-28935)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
Terms of Use
This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.
{ "document": { "aggregate_severity": { "namespace": "https://access.redhat.com/security/updates/classification/", "text": "Moderate" }, "category": "csaf_security_advisory", "csaf_version": "2.0", "distribution": { "text": "Copyright \u00a9 Red Hat, Inc. All rights reserved.", "tlp": { "label": "WHITE", "url": "https://www.first.org/tlp/" } }, "lang": "en", "notes": [ { "category": "summary", "text": "An update for unbound is now available for Red Hat Enterprise Linux 8.2 Extended Update Support.\n\nRed Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.", "title": "Topic" }, { "category": "general", "text": "The unbound packages provide a validating, recursive, and caching DNS or DNSSEC resolver. \n\nSecurity Fix(es):\n\n* unbound: integer overflow in the regional allocator via regional_alloc (CVE-2019-25032)\n\n* unbound: integer overflow in sldns_str2wire_dname_buf_origin can lead to an out-of-bounds write (CVE-2019-25034)\n\n* unbound: out-of-bounds write in sldns_bget_token_par (CVE-2019-25035)\n\n* unbound: assertion failure and denial of service in synth_cname (CVE-2019-25036)\n\n* unbound: assertion failure and denial of service in dname_pkt_copy via an invalid packet (CVE-2019-25037)\n\n* unbound: integer overflow in a size calculation in dnscrypt/dnscrypt.c (CVE-2019-25038)\n\n* unbound: integer overflow in a size calculation in respip/respip.c (CVE-2019-25039)\n\n* unbound: infinite loop via a compressed name in dname_pkt_copy (CVE-2019-25040)\n\n* unbound: assertion failure via a compressed name in dname_pkt_copy (CVE-2019-25041)\n\n* unbound: out-of-bounds write via a compressed name in rdata_copy (CVE-2019-25042)\n\n* unbound: symbolic link traversal when writing PID file (CVE-2020-28935)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.", "title": "Details" }, { "category": "legal_disclaimer", "text": "This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.", "title": "Terms of Use" } ], "publisher": { "category": "vendor", "contact_details": "https://access.redhat.com/security/team/contact/", "issuing_authority": "Red Hat Product Security is responsible for vulnerability handling across all Red Hat products and services.", "name": "Red Hat Product Security", "namespace": "https://www.redhat.com" }, "references": [ { "category": "self", "summary": "https://access.redhat.com/errata/RHSA-2022:0632", "url": "https://access.redhat.com/errata/RHSA-2022:0632" }, { "category": "external", "summary": "https://access.redhat.com/security/updates/classification/#moderate", "url": "https://access.redhat.com/security/updates/classification/#moderate" }, { "category": "external", "summary": "1878761", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1878761" }, { "category": "external", "summary": "1954772", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1954772" }, { "category": "external", "summary": "1954778", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1954778" }, { "category": "external", "summary": "1954780", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1954780" }, { "category": "external", "summary": "1954782", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1954782" }, { "category": "external", "summary": "1954794", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1954794" }, { "category": "external", "summary": "1954796", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1954796" }, { "category": "external", "summary": "1954797", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1954797" }, { "category": "external", "summary": "1954799", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1954799" }, { "category": "external", "summary": "1954801", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1954801" }, { "category": "external", "summary": "1954804", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1954804" }, { "category": "self", "summary": "Canonical URL", "url": "https://security.access.redhat.com/data/csaf/v2/advisories/2022/rhsa-2022_0632.json" } ], "title": "Red Hat Security Advisory: unbound security update", "tracking": { "current_release_date": "2024-11-22T16:05:59+00:00", "generator": { "date": "2024-11-22T16:05:59+00:00", "engine": { "name": "Red Hat SDEngine", "version": "4.2.1" } }, "id": "RHSA-2022:0632", "initial_release_date": "2022-02-22T15:16:51+00:00", "revision_history": [ { "date": "2022-02-22T15:16:51+00:00", "number": "1", "summary": "Initial version" }, { "date": "2022-02-22T15:16:51+00:00", "number": "2", "summary": "Last updated version" }, { "date": "2024-11-22T16:05:59+00:00", "number": "3", "summary": "Last generated version" } ], "status": "final", "version": "3" } }, "product_tree": { "branches": [ { "branches": [ { "branches": [ { "category": "product_name", "name": "Red Hat Enterprise 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An integer overflow in regional_alloc function may lead to a buffer overflow of the allocated buffer if the size can be controlled by an attacker and can be big enough. The highest threat from this vulnerability is to data confidentiality and integrity as well as service availability.", "title": "Vulnerability description" }, { "category": "summary", "text": "unbound: integer overflow in the regional allocator via regional_alloc", "title": "Vulnerability summary" }, { "category": "other", "text": "There is no available reproducer or proof of concept for this issue, nor it was ever proven the buffer overflow can happen in practice. Indeed in the original report this issue was considered one that might not be triggered and for this reason its Impact is Moderate. Upstream has also disputed this CVE.", "title": "Statement" }, { "category": "general", "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.", "title": "CVSS score applicability" } ], "product_status": { "fixed": [ "AppStream-8.2.0.Z.EUS:python3-unbound-0:1.7.3-12.el8_2.aarch64", "AppStream-8.2.0.Z.EUS:python3-unbound-0:1.7.3-12.el8_2.ppc64le", "AppStream-8.2.0.Z.EUS:python3-unbound-0:1.7.3-12.el8_2.s390x", "AppStream-8.2.0.Z.EUS:python3-unbound-0:1.7.3-12.el8_2.x86_64", "AppStream-8.2.0.Z.EUS:python3-unbound-debuginfo-0:1.7.3-12.el8_2.aarch64", "AppStream-8.2.0.Z.EUS:python3-unbound-debuginfo-0:1.7.3-12.el8_2.i686", "AppStream-8.2.0.Z.EUS:python3-unbound-debuginfo-0:1.7.3-12.el8_2.ppc64le", "AppStream-8.2.0.Z.EUS:python3-unbound-debuginfo-0:1.7.3-12.el8_2.s390x", 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ID", "text": "1954778" } ], "notes": [ { "category": "description", "text": "A flaw was found in unbound. An integer overflow in the sldns_str2wire_dname_buf_origin function may lead to a buffer overflow. The highest threat from this vulnerability is to data confidentiality and integrity as well as service availability.", "title": "Vulnerability description" }, { "category": "summary", "text": "unbound: integer overflow in sldns_str2wire_dname_buf_origin can lead to an out-of-bounds write", "title": "Vulnerability summary" }, { "category": "other", "text": "There is no available reproducer or proof of concept for this issue, nor it was ever proven the buffer overflow can happen in practice. Indeed in the original report this issue was considered one that might not be triggered and for this reason its Impact is Moderate. Upstream has also disputed this CVE.", "title": "Statement" }, { "category": "general", "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.", "title": "CVSS score applicability" } ], "product_status": { "fixed": [ "AppStream-8.2.0.Z.EUS:python3-unbound-0:1.7.3-12.el8_2.aarch64", "AppStream-8.2.0.Z.EUS:python3-unbound-0:1.7.3-12.el8_2.ppc64le", "AppStream-8.2.0.Z.EUS:python3-unbound-0:1.7.3-12.el8_2.s390x", "AppStream-8.2.0.Z.EUS:python3-unbound-0:1.7.3-12.el8_2.x86_64", "AppStream-8.2.0.Z.EUS:python3-unbound-debuginfo-0:1.7.3-12.el8_2.aarch64", "AppStream-8.2.0.Z.EUS:python3-unbound-debuginfo-0:1.7.3-12.el8_2.i686", "AppStream-8.2.0.Z.EUS:python3-unbound-debuginfo-0:1.7.3-12.el8_2.ppc64le", "AppStream-8.2.0.Z.EUS:python3-unbound-debuginfo-0:1.7.3-12.el8_2.s390x", 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"system_name": "Red Hat Bugzilla ID", "text": "1954780" } ], "notes": [ { "category": "description", "text": "A flaw was found in unbound. An out-of-bounds write in the sldns_bget_token_par function may be abused by a remote attacker. The highest threat from this vulnerability is to data confidentiality and integrity as well as service availability.", "title": "Vulnerability description" }, { "category": "summary", "text": "unbound: out-of-bounds write in sldns_bget_token_par", "title": "Vulnerability summary" }, { "category": "other", "text": "There is no available reproducer or proof of concept for this issue, nor it was ever proven the out-of-bounds write can happen in practice. Indeed in the original report this issue was considered one that might not be triggered and for this reason its Impact is Moderate. Upstream has also disputed this CVE.", "title": "Statement" }, { "category": "general", "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.", "title": "CVSS score applicability" } ], "product_status": { "fixed": [ "AppStream-8.2.0.Z.EUS:python3-unbound-0:1.7.3-12.el8_2.aarch64", "AppStream-8.2.0.Z.EUS:python3-unbound-0:1.7.3-12.el8_2.ppc64le", "AppStream-8.2.0.Z.EUS:python3-unbound-0:1.7.3-12.el8_2.s390x", "AppStream-8.2.0.Z.EUS:python3-unbound-0:1.7.3-12.el8_2.x86_64", "AppStream-8.2.0.Z.EUS:python3-unbound-debuginfo-0:1.7.3-12.el8_2.aarch64", "AppStream-8.2.0.Z.EUS:python3-unbound-debuginfo-0:1.7.3-12.el8_2.i686", "AppStream-8.2.0.Z.EUS:python3-unbound-debuginfo-0:1.7.3-12.el8_2.ppc64le", "AppStream-8.2.0.Z.EUS:python3-unbound-debuginfo-0:1.7.3-12.el8_2.s390x", 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"1954782" } ], "notes": [ { "category": "description", "text": "A flaw was found in unbound. A reachable assertion in the synth_cname function can be triggered by sending invalid packets to the server. If asserts are disabled during compilation, this issue might lead to an out-of-bounds write in dname_pkt_copy function. The highest threat from this vulnerability is to data confidentiality and integrity as well as service availability.", "title": "Vulnerability description" }, { "category": "summary", "text": "unbound: assertion failure and denial of service in synth_cname", "title": "Vulnerability summary" }, { "category": "other", "text": "This issue could not be triggered by running unbound regularly, but only by injecting the packet directly to the vulnerable function through fuzzing. For this reason its Impact is Moderate. Upstream has also disputed this CVE.", "title": "Statement" }, { "category": "general", "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.", "title": "CVSS score applicability" } ], "product_status": { "fixed": [ "AppStream-8.2.0.Z.EUS:python3-unbound-0:1.7.3-12.el8_2.aarch64", "AppStream-8.2.0.Z.EUS:python3-unbound-0:1.7.3-12.el8_2.ppc64le", "AppStream-8.2.0.Z.EUS:python3-unbound-0:1.7.3-12.el8_2.s390x", "AppStream-8.2.0.Z.EUS:python3-unbound-0:1.7.3-12.el8_2.x86_64", "AppStream-8.2.0.Z.EUS:python3-unbound-debuginfo-0:1.7.3-12.el8_2.aarch64", "AppStream-8.2.0.Z.EUS:python3-unbound-debuginfo-0:1.7.3-12.el8_2.i686", "AppStream-8.2.0.Z.EUS:python3-unbound-debuginfo-0:1.7.3-12.el8_2.ppc64le", "AppStream-8.2.0.Z.EUS:python3-unbound-debuginfo-0:1.7.3-12.el8_2.s390x", 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"text": "1954794" } ], "notes": [ { "category": "description", "text": "A flaw was found in unbound. 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{ "category": "impact", "details": "Moderate" } ], "title": "unbound: assertion failure and denial of service in dname_pkt_copy via an invalid packet" }, { "cve": "CVE-2019-25038", "cwe": { "id": "CWE-787", "name": "Out-of-bounds Write" }, "discovery_date": "2021-04-27T00:00:00+00:00", "ids": [ { "system_name": "Red Hat Bugzilla ID", "text": "1954796" } ], "notes": [ { "category": "description", "text": "A flaw was found in unbound. An integer overflow in dnsc_load_local_data function may lead to a buffer overflow of the allocated buffer if the size can be controlled by an attacker. The highest threat from this vulnerability is to data confidentiality and integrity as well as service availability.", "title": "Vulnerability description" }, { "category": "summary", "text": "unbound: integer overflow in a size calculation in dnscrypt/dnscrypt.c", "title": "Vulnerability summary" }, { "category": "other", "text": "There is no available reproducer or proof of concept for this issue, nor it was ever proven the integer overflow can lead to a buffer overflow in practice. Indeed in the original report this issue was considered one that might not be triggered and for this reason its Impact is Moderate. Upstream has also disputed this CVE.", "title": "Statement" }, { "category": "general", "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.", "title": "CVSS score applicability" } ], "product_status": { "fixed": [ "AppStream-8.2.0.Z.EUS:python3-unbound-0:1.7.3-12.el8_2.aarch64", "AppStream-8.2.0.Z.EUS:python3-unbound-0:1.7.3-12.el8_2.ppc64le", "AppStream-8.2.0.Z.EUS:python3-unbound-0:1.7.3-12.el8_2.s390x", "AppStream-8.2.0.Z.EUS:python3-unbound-0:1.7.3-12.el8_2.x86_64", "AppStream-8.2.0.Z.EUS:python3-unbound-debuginfo-0:1.7.3-12.el8_2.aarch64", "AppStream-8.2.0.Z.EUS:python3-unbound-debuginfo-0:1.7.3-12.el8_2.i686", "AppStream-8.2.0.Z.EUS:python3-unbound-debuginfo-0:1.7.3-12.el8_2.ppc64le", "AppStream-8.2.0.Z.EUS:python3-unbound-debuginfo-0:1.7.3-12.el8_2.s390x", 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Upstream has also disputed this CVE.", "title": "Statement" }, { "category": "general", "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.", "title": "CVSS score applicability" } ], "product_status": { "fixed": [ "AppStream-8.2.0.Z.EUS:python3-unbound-0:1.7.3-12.el8_2.aarch64", "AppStream-8.2.0.Z.EUS:python3-unbound-0:1.7.3-12.el8_2.ppc64le", "AppStream-8.2.0.Z.EUS:python3-unbound-0:1.7.3-12.el8_2.s390x", "AppStream-8.2.0.Z.EUS:python3-unbound-0:1.7.3-12.el8_2.x86_64", "AppStream-8.2.0.Z.EUS:python3-unbound-debuginfo-0:1.7.3-12.el8_2.aarch64", "AppStream-8.2.0.Z.EUS:python3-unbound-debuginfo-0:1.7.3-12.el8_2.i686", "AppStream-8.2.0.Z.EUS:python3-unbound-debuginfo-0:1.7.3-12.el8_2.ppc64le", "AppStream-8.2.0.Z.EUS:python3-unbound-debuginfo-0:1.7.3-12.el8_2.s390x", 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"ids": [ { "system_name": "Red Hat Bugzilla ID", "text": "1954799" } ], "notes": [ { "category": "description", "text": "A flaw was found in unbound. An infinite loop in dname_pkt_copy function could be triggered by a remote attacker. The highest threat from this vulnerability is to service availability.", "title": "Vulnerability description" }, { "category": "summary", "text": "unbound: infinite loop via a compressed name in dname_pkt_copy", "title": "Vulnerability summary" }, { "category": "other", "text": "There is no available reproducer or proof of concept for this issue, nor it was ever proven the infinite loop can be triggered in practice. Indeed in the original report this issue was considered one that might not be triggered and for this reason its Impact is Moderate. Upstream has also disputed this CVE.", "title": "Statement" }, { "category": "general", "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.", "title": "CVSS score applicability" } ], "product_status": { "fixed": [ "AppStream-8.2.0.Z.EUS:python3-unbound-0:1.7.3-12.el8_2.aarch64", "AppStream-8.2.0.Z.EUS:python3-unbound-0:1.7.3-12.el8_2.ppc64le", "AppStream-8.2.0.Z.EUS:python3-unbound-0:1.7.3-12.el8_2.s390x", "AppStream-8.2.0.Z.EUS:python3-unbound-0:1.7.3-12.el8_2.x86_64", "AppStream-8.2.0.Z.EUS:python3-unbound-debuginfo-0:1.7.3-12.el8_2.aarch64", "AppStream-8.2.0.Z.EUS:python3-unbound-debuginfo-0:1.7.3-12.el8_2.i686", "AppStream-8.2.0.Z.EUS:python3-unbound-debuginfo-0:1.7.3-12.el8_2.ppc64le", "AppStream-8.2.0.Z.EUS:python3-unbound-debuginfo-0:1.7.3-12.el8_2.s390x", 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"text": "1954801" } ], "notes": [ { "category": "description", "text": "A flaw was found in unbound. A reachable assertion in the dname_pkt_copy function can be triggered through compressed names. The highest threat from this vulnerability is to service availability.", "title": "Vulnerability description" }, { "category": "summary", "text": "unbound: assertion failure via a compressed name in dname_pkt_copy", "title": "Vulnerability summary" }, { "category": "other", "text": "According to the original report there are checks happening before the affected function that make this not exploitable. For these reasons its Impact is Moderate. Upstream has also disputed this CVE.", "title": "Statement" }, { "category": "general", "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.", "title": "CVSS score applicability" } ], "product_status": { "fixed": [ "AppStream-8.2.0.Z.EUS:python3-unbound-0:1.7.3-12.el8_2.aarch64", "AppStream-8.2.0.Z.EUS:python3-unbound-0:1.7.3-12.el8_2.ppc64le", "AppStream-8.2.0.Z.EUS:python3-unbound-0:1.7.3-12.el8_2.s390x", "AppStream-8.2.0.Z.EUS:python3-unbound-0:1.7.3-12.el8_2.x86_64", "AppStream-8.2.0.Z.EUS:python3-unbound-debuginfo-0:1.7.3-12.el8_2.aarch64", "AppStream-8.2.0.Z.EUS:python3-unbound-debuginfo-0:1.7.3-12.el8_2.i686", "AppStream-8.2.0.Z.EUS:python3-unbound-debuginfo-0:1.7.3-12.el8_2.ppc64le", "AppStream-8.2.0.Z.EUS:python3-unbound-debuginfo-0:1.7.3-12.el8_2.s390x", 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"text": "1954804" } ], "notes": [ { "category": "description", "text": "A flaw was found in unbound. An out-of-bounds write in the rdata_copy function may be abused by a remote attacker. The highest threat from this vulnerability is to data confidentiality and integrity as well as service availability.", "title": "Vulnerability description" }, { "category": "summary", "text": "unbound: out-of-bounds write via a compressed name in rdata_copy", "title": "Vulnerability summary" }, { "category": "other", "text": "According to the original report there are checks happening before the affected function that make this not exploitable. For these reasons its Impact is Moderate. Upstream has also disputed this CVE.", "title": "Statement" }, { "category": "general", "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.", "title": "CVSS score applicability" } ], "product_status": { "fixed": [ "AppStream-8.2.0.Z.EUS:python3-unbound-0:1.7.3-12.el8_2.aarch64", "AppStream-8.2.0.Z.EUS:python3-unbound-0:1.7.3-12.el8_2.ppc64le", "AppStream-8.2.0.Z.EUS:python3-unbound-0:1.7.3-12.el8_2.s390x", "AppStream-8.2.0.Z.EUS:python3-unbound-0:1.7.3-12.el8_2.x86_64", "AppStream-8.2.0.Z.EUS:python3-unbound-debuginfo-0:1.7.3-12.el8_2.aarch64", "AppStream-8.2.0.Z.EUS:python3-unbound-debuginfo-0:1.7.3-12.el8_2.i686", "AppStream-8.2.0.Z.EUS:python3-unbound-debuginfo-0:1.7.3-12.el8_2.ppc64le", "AppStream-8.2.0.Z.EUS:python3-unbound-debuginfo-0:1.7.3-12.el8_2.s390x", 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"CWE-59", "name": "Improper Link Resolution Before File Access (\u0027Link Following\u0027)" }, "discovery_date": "2020-09-11T00:00:00+00:00", "ids": [ { "system_name": "Red Hat Bugzilla ID", "text": "1878761" } ], "notes": [ { "category": "description", "text": "A symbolic link traversal vulnerability was found in unbound in the way it writes its PID file while starting up. This flaw allows a local attacker with access to the unbound user to set up a link to another file, owned by root, and make unbound overwrite it during its next restart, destroying the original content. The highest threat from this vulnerability is integrity.", "title": "Vulnerability description" }, { "category": "summary", "text": "unbound: symbolic link traversal when writing PID file", "title": "Vulnerability summary" }, { "category": "general", "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.", "title": "CVSS score applicability" } ], "product_status": { "fixed": [ "AppStream-8.2.0.Z.EUS:python3-unbound-0:1.7.3-12.el8_2.aarch64", "AppStream-8.2.0.Z.EUS:python3-unbound-0:1.7.3-12.el8_2.ppc64le", "AppStream-8.2.0.Z.EUS:python3-unbound-0:1.7.3-12.el8_2.s390x", "AppStream-8.2.0.Z.EUS:python3-unbound-0:1.7.3-12.el8_2.x86_64", "AppStream-8.2.0.Z.EUS:python3-unbound-debuginfo-0:1.7.3-12.el8_2.aarch64", "AppStream-8.2.0.Z.EUS:python3-unbound-debuginfo-0:1.7.3-12.el8_2.i686", 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gsd-2019-25038
Vulnerability from gsd
Modified
2023-12-13 01:23
Details
** DISPUTED ** Unbound before 1.9.5 allows an integer overflow in a size calculation in dnscrypt/dnscrypt.c. NOTE: The vendor disputes that this is a vulnerability. Although the code may be vulnerable, a running Unbound installation cannot be remotely or locally exploited.
Aliases
Aliases
{ "GSD": { "alias": "CVE-2019-25038", "description": "** DISPUTED ** Unbound before 1.9.5 allows an integer overflow in a size calculation in dnscrypt/dnscrypt.c. NOTE: The vendor disputes that this is a vulnerability. Although the code may be vulnerable, a running Unbound installation cannot be remotely or locally exploited.", "id": "GSD-2019-25038", "references": [ "https://www.suse.com/security/cve/CVE-2019-25038.html", "https://access.redhat.com/errata/RHSA-2022:0632", "https://access.redhat.com/errata/RHSA-2021:1853", "https://ubuntu.com/security/CVE-2019-25038", "https://linux.oracle.com/cve/CVE-2019-25038.html" ] }, "gsd": { "metadata": { "exploitCode": "unknown", "remediation": "unknown", "reportConfidence": "confirmed", "type": "vulnerability" }, "osvSchema": { "aliases": [ "CVE-2019-25038" ], "details": "** DISPUTED ** Unbound before 1.9.5 allows an integer overflow in a size calculation in dnscrypt/dnscrypt.c. NOTE: The vendor disputes that this is a vulnerability. Although the code may be vulnerable, a running Unbound installation cannot be remotely or locally exploited.", "id": "GSD-2019-25038", "modified": "2023-12-13T01:23:50.872441Z", "schema_version": "1.4.0" } }, "namespaces": { "cve.org": { "CVE_data_meta": { "ASSIGNER": "cve@mitre.org", "ID": "CVE-2019-25038", "STATE": "PUBLIC" }, "affects": { "vendor": { "vendor_data": [ { "product": { "product_data": [ { "product_name": "n/a", "version": { "version_data": [ { "version_value": "n/a" } ] } } ] }, "vendor_name": "n/a" } ] } }, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": { "description_data": [ { "lang": "eng", "value": "** DISPUTED ** Unbound before 1.9.5 allows an integer overflow in a size calculation in dnscrypt/dnscrypt.c. NOTE: The vendor disputes that this is a vulnerability. Although the code may be vulnerable, a running Unbound installation cannot be remotely or locally exploited." } ] }, "problemtype": { "problemtype_data": [ { "description": [ { "lang": "eng", "value": "n/a" } ] } ] }, "references": { "reference_data": [ { "name": "https://ostif.org/our-audit-of-unbound-dns-by-x41-d-sec-full-results/", "refsource": "MISC", "url": "https://ostif.org/our-audit-of-unbound-dns-by-x41-d-sec-full-results/" }, { "name": "[debian-lts-announce] 20210506 [SECURITY] [DLA 2652-1] unbound1.9 security update", "refsource": "MLIST", "url": "https://lists.debian.org/debian-lts-announce/2021/05/msg00007.html" }, { "name": "https://security.netapp.com/advisory/ntap-20210507-0007/", "refsource": "CONFIRM", "url": "https://security.netapp.com/advisory/ntap-20210507-0007/" } ] } }, "nvd.nist.gov": { "cve": { "configurations": [ { "nodes": [ { "cpeMatch": [ { "criteria": "cpe:2.3:a:nlnetlabs:unbound:*:*:*:*:*:*:*:*", "matchCriteriaId": "72F8E390-7D6B-4981-8F5B-E92C817A3A3D", "versionEndExcluding": "1.9.5", "vulnerable": true } ], "negate": false, "operator": "OR" } ] }, { "nodes": [ { "cpeMatch": [ { "criteria": "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*", "matchCriteriaId": "DEECE5FC-CACF-4496-A3E7-164736409252", "vulnerable": true } ], "negate": false, "operator": "OR" } ] } ], "descriptions": [ { "lang": "en", "value": "Unbound before 1.9.5 allows an integer overflow in a size calculation in dnscrypt/dnscrypt.c. NOTE: The vendor disputes that this is a vulnerability. Although the code may be vulnerable, a running Unbound installation cannot be remotely or locally exploited" }, { "lang": "es", "value": "** EN DISPUTA ** Unbound versiones anteriores a 1.9.5, permite un desbordamiento de enteros en un c\u00e1lculo de tama\u00f1o en el archivo dnscrypt/dnscrypt.c. NOTA: El proveedor niega que esto sea una vulnerabilidad. Aunque el c\u00f3digo puede ser vulnerable, una instalaci\u00f3n de Unbound en funcionamiento no puede ser explotada de forma remota o local" } ], "id": "CVE-2019-25038", "lastModified": "2024-04-11T01:05:23.850", "metrics": { "cvssMetricV2": [ { "acInsufInfo": false, "baseSeverity": "HIGH", "cvssData": { "accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 7.5, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P", "version": "2.0" }, "exploitabilityScore": 10.0, "impactScore": 6.4, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false } ], "cvssMetricV31": [ { "cvssData": { "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.8, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1" }, "exploitabilityScore": 3.9, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary" } ] }, "published": "2021-04-27T06:15:07.643", "references": [ { "source": "cve@mitre.org", "tags": [ "Mailing List", "Third Party Advisory" ], "url": "https://lists.debian.org/debian-lts-announce/2021/05/msg00007.html" }, { "source": "cve@mitre.org", "tags": [ "Patch", "Third Party Advisory" ], "url": "https://ostif.org/our-audit-of-unbound-dns-by-x41-d-sec-full-results/" }, { "source": "cve@mitre.org", "tags": [ "Third Party Advisory" ], "url": "https://security.netapp.com/advisory/ntap-20210507-0007/" } ], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [ { "description": [ { "lang": "en", "value": "CWE-190" } ], "source": "nvd@nist.gov", "type": "Primary" } ] } } } }
ghsa-cmj3-c7cr-5q95
Vulnerability from github
Published
2022-05-24 17:48
Modified
2024-03-21 03:34
Severity ?
Details
Unbound before 1.9.5 allows an integer overflow in a size calculation in dnscrypt/dnscrypt.c.
{ "affected": [], "aliases": [ "CVE-2019-25038" ], "database_specific": { "cwe_ids": [ "CWE-190" ], "github_reviewed": false, "github_reviewed_at": null, "nvd_published_at": "2021-04-27T06:15:00Z", "severity": "CRITICAL" }, "details": "Unbound before 1.9.5 allows an integer overflow in a size calculation in dnscrypt/dnscrypt.c.", "id": "GHSA-cmj3-c7cr-5q95", "modified": "2024-03-21T03:34:04Z", "published": "2022-05-24T17:48:59Z", "references": [ { "type": "ADVISORY", "url": "https://nvd.nist.gov/vuln/detail/CVE-2019-25038" }, { "type": "WEB", "url": "https://lists.debian.org/debian-lts-announce/2021/05/msg00007.html" }, { "type": "WEB", "url": "https://ostif.org/our-audit-of-unbound-dns-by-x41-d-sec-full-results" }, { "type": "WEB", "url": "https://security.netapp.com/advisory/ntap-20210507-0007" } ], "schema_version": "1.4.0", "severity": [ { "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "type": "CVSS_V3" } ] }
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Sightings
Author | Source | Type | Date |
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Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.