gsd-2019-20840
Vulnerability from gsd
Modified
2023-12-13 01:23
Details
An issue was discovered in LibVNCServer before 0.9.13. libvncserver/ws_decode.c can lead to a crash because of unaligned accesses in hybiReadAndDecode.
Aliases
Aliases
{ "GSD": { "alias": "CVE-2019-20840", "description": "An issue was discovered in LibVNCServer before 0.9.13. libvncserver/ws_decode.c can lead to a crash because of unaligned accesses in hybiReadAndDecode.", "id": "GSD-2019-20840", "references": [ "https://www.suse.com/security/cve/CVE-2019-20840.html", "https://ubuntu.com/security/CVE-2019-20840" ] }, "gsd": { "metadata": { "exploitCode": "unknown", "remediation": "unknown", "reportConfidence": "confirmed", "type": "vulnerability" }, "osvSchema": { "aliases": [ "CVE-2019-20840" ], "details": "An issue was discovered in LibVNCServer before 0.9.13. libvncserver/ws_decode.c can lead to a crash because of unaligned accesses in hybiReadAndDecode.", "id": "GSD-2019-20840", "modified": "2023-12-13T01:23:42.919437Z", "schema_version": "1.4.0" } }, "namespaces": { "cve.org": { "CVE_data_meta": { "ASSIGNER": "cve@mitre.org", "ID": "CVE-2019-20840", "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": "An issue was discovered in LibVNCServer before 0.9.13. libvncserver/ws_decode.c can lead to a crash because of unaligned accesses in hybiReadAndDecode." } ] }, "problemtype": { "problemtype_data": [ { "description": [ { "lang": "eng", "value": "n/a" } ] } ] }, "references": { "reference_data": [ { "name": "https://github.com/LibVNC/libvncserver/compare/LibVNCServer-0.9.12...LibVNCServer-0.9.13", "refsource": "MISC", "url": "https://github.com/LibVNC/libvncserver/compare/LibVNCServer-0.9.12...LibVNCServer-0.9.13" }, { "name": "https://github.com/LibVNC/libvncserver/commit/0cf1400c61850065de590d403f6d49e32882fd76", "refsource": "MISC", "url": "https://github.com/LibVNC/libvncserver/commit/0cf1400c61850065de590d403f6d49e32882fd76" }, { "name": "FEDORA-2020-1a4b1c8271", "refsource": "FEDORA", "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/4F6FUH4EFK4NAP6GT4TQRTBKWIRCZLIY/" }, { "name": "openSUSE-SU-2020:0988", "refsource": "SUSE", "url": "http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00033.html" }, { "name": "openSUSE-SU-2020:1025", "refsource": "SUSE", "url": "http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00055.html" }, { "name": "openSUSE-SU-2020:1056", "refsource": "SUSE", "url": "http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00066.html" }, { "name": "USN-4434-1", "refsource": "UBUNTU", "url": "https://usn.ubuntu.com/4434-1/" }, { "name": "https://cert-portal.siemens.com/productcert/pdf/ssa-390195.pdf", "refsource": "CONFIRM", "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-390195.pdf" } ] } }, "nvd.nist.gov": { "configurations": { "CVE_data_version": "4.0", "nodes": [ { "children": [], "cpe_match": [ { "cpe23Uri": "cpe:2.3:a:libvnc_project:libvncserver:*:*:*:*:*:*:*:*", "cpe_name": [], "versionEndIncluding": "0.9.12", "vulnerable": true } ], "operator": "OR" }, { "children": [], "cpe_match": [ { "cpe23Uri": "cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*", "cpe_name": [], "vulnerable": true }, { "cpe23Uri": "cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:*", "cpe_name": [], "vulnerable": true }, { "cpe23Uri": "cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*", "cpe_name": [], "vulnerable": true }, { "cpe23Uri": "cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*", "cpe_name": [], "vulnerable": true }, { "cpe23Uri": "cpe:2.3:o:canonical:ubuntu_linux:18.10:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true }, { "cpe23Uri": "cpe:2.3:o:canonical:ubuntu_linux:20.04:*:*:*:lts:*:*:*", "cpe_name": [], "vulnerable": true } ], "operator": "OR" }, { "children": [], "cpe_match": [ { "cpe23Uri": "cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true }, { "cpe23Uri": "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true } ], "operator": "OR" }, { "children": [ { "children": [], "cpe_match": [ { "cpe23Uri": "cpe:2.3:o:siemens:simatic_itc1500_firmware:*:*:*:*:*:*:*:*", "cpe_name": [], "versionEndExcluding": "3.2.1.0", "versionStartIncluding": "3.0.0.0", "vulnerable": true } ], "operator": "OR" }, { "children": [], "cpe_match": [ { "cpe23Uri": "cpe:2.3:h:siemens:simatic_itc1500:-:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": false } ], "operator": "OR" } ], "cpe_match": [], "operator": "AND" }, { "children": [ { "children": [], "cpe_match": [ { "cpe23Uri": "cpe:2.3:o:siemens:simatic_itc1500_pro_firmware:*:*:*:*:*:*:*:*", "cpe_name": [], "versionEndExcluding": "3.2.1.0", "versionStartIncluding": "3.0.0.0", "vulnerable": true } ], "operator": "OR" }, { "children": [], "cpe_match": [ { "cpe23Uri": "cpe:2.3:h:siemens:simatic_itc1500_pro:-:*:*:*:*:*:*:*", "cpe_name": [], 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"AND" }, { "children": [ { "children": [], "cpe_match": [ { "cpe23Uri": "cpe:2.3:o:siemens:simatic_itc2200_firmware:*:*:*:*:*:*:*:*", "cpe_name": [], "versionEndExcluding": "3.2.1.0", "versionStartIncluding": "3.0.0.0", "vulnerable": true } ], "operator": "OR" }, { "children": [], "cpe_match": [ { "cpe23Uri": "cpe:2.3:h:siemens:simatic_itc2200:-:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": false } ], "operator": "OR" } ], "cpe_match": [], "operator": "AND" }, { "children": [ { "children": [], "cpe_match": [ { "cpe23Uri": "cpe:2.3:o:siemens:simatic_itc2200_pro_firmware:*:*:*:*:*:*:*:*", "cpe_name": [], "versionEndExcluding": "3.2.1.0", "versionStartIncluding": "3.0.0.0", "vulnerable": true } ], "operator": "OR" }, { "children": [], "cpe_match": [ { "cpe23Uri": "cpe:2.3:h:siemens:simatic_itc2200_pro:-:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": false } ], "operator": "OR" } ], "cpe_match": [], "operator": "AND" }, { "children": [], "cpe_match": [ { "cpe23Uri": "cpe:2.3:o:opensuse:leap:15.2:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true } ], "operator": "OR" } ] }, "cve": { "CVE_data_meta": { "ASSIGNER": "cve@mitre.org", "ID": "CVE-2019-20840" }, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": { "description_data": [ { "lang": "en", "value": "An issue was discovered in LibVNCServer before 0.9.13. libvncserver/ws_decode.c can lead to a crash because of unaligned accesses in hybiReadAndDecode." } ] }, "problemtype": { "problemtype_data": [ { "description": [ { "lang": "en", "value": "CWE-787" } ] } ] }, "references": { "reference_data": [ { "name": "https://github.com/LibVNC/libvncserver/compare/LibVNCServer-0.9.12...LibVNCServer-0.9.13", "refsource": "MISC", "tags": [ "Release Notes", "Third Party Advisory" ], "url": "https://github.com/LibVNC/libvncserver/compare/LibVNCServer-0.9.12...LibVNCServer-0.9.13" }, { "name": "https://github.com/LibVNC/libvncserver/commit/0cf1400c61850065de590d403f6d49e32882fd76", "refsource": "MISC", "tags": [ "Patch", "Third Party Advisory" ], "url": "https://github.com/LibVNC/libvncserver/commit/0cf1400c61850065de590d403f6d49e32882fd76" }, { "name": "FEDORA-2020-1a4b1c8271", "refsource": "FEDORA", "tags": [ "Mailing List", "Third Party Advisory" ], "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/4F6FUH4EFK4NAP6GT4TQRTBKWIRCZLIY/" }, { "name": "openSUSE-SU-2020:0988", "refsource": "SUSE", "tags": [ "Mailing List", "Third Party Advisory" ], "url": "http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00033.html" }, { "name": "openSUSE-SU-2020:1025", "refsource": "SUSE", "tags": [ "Mailing List", "Third Party Advisory" ], "url": "http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00055.html" }, { "name": "openSUSE-SU-2020:1056", "refsource": "SUSE", "tags": [ "Mailing List", "Third Party Advisory" ], "url": "http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00066.html" }, { "name": "USN-4434-1", "refsource": "UBUNTU", "tags": [ "Third Party Advisory" ], "url": "https://usn.ubuntu.com/4434-1/" }, { "name": "https://cert-portal.siemens.com/productcert/pdf/ssa-390195.pdf", "refsource": "CONFIRM", "tags": [ "Patch", "Third Party Advisory" ], "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-390195.pdf" } ] } }, "impact": { "baseMetricV2": { "acInsufInfo": false, "cvssV2": { "accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 5.0, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P", "version": "2.0" }, "exploitabilityScore": 10.0, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "severity": "MEDIUM", "userInteractionRequired": false }, "baseMetricV3": { "cvssV3": { "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1" }, "exploitabilityScore": 3.9, "impactScore": 3.6 } }, "lastModifiedDate": "2022-03-10T15:23Z", "publishedDate": "2020-06-17T16:15Z" } } }
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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.
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- 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.