rhsa-2023_0673
Vulnerability from csaf_redhat
Published
2023-02-08 17:28
Modified
2024-11-15 13:24
Summary
Red Hat Security Advisory: rh-varnish6-varnish security update
Notes
Topic
An update for rh-varnish6-varnish is now available for Red Hat Software Collections.
Red Hat Product Security has rated this update as having a security impact of Important. 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
Varnish Cache is a high-performance HTTP accelerator. It stores web pages in memory so web servers don't have to create the same web page over and over again, giving the website a significant speed up.
Security Fix(es):
* varnish: Request Forgery Vulnerability (CVE-2022-45060)
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.
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"rh-varnish6-varnish-libs-0:6.0.8-2.el7.2.ppc64le", "relates_to_product_reference": "7Workstation-RHSCL-3.8" }, { "category": "default_component_of", "full_product_name": { "name": "rh-varnish6-varnish-libs-0:6.0.8-2.el7.2.s390x as a component of Red Hat Software Collections for RHEL(v. 7)", "product_id": "7Workstation-RHSCL-3.8:rh-varnish6-varnish-libs-0:6.0.8-2.el7.2.s390x" }, "product_reference": "rh-varnish6-varnish-libs-0:6.0.8-2.el7.2.s390x", "relates_to_product_reference": "7Workstation-RHSCL-3.8" }, { "category": "default_component_of", "full_product_name": { "name": "rh-varnish6-varnish-libs-0:6.0.8-2.el7.2.x86_64 as a component of Red Hat Software Collections for RHEL(v. 7)", "product_id": "7Workstation-RHSCL-3.8:rh-varnish6-varnish-libs-0:6.0.8-2.el7.2.x86_64" }, "product_reference": "rh-varnish6-varnish-libs-0:6.0.8-2.el7.2.x86_64", "relates_to_product_reference": "7Workstation-RHSCL-3.8" } ] }, "vulnerabilities": [ { "cve": "CVE-2022-45060", "cwe": { "id": "CWE-918", "name": "Server-Side Request Forgery (SSRF)" }, "discovery_date": "2022-11-10T00:00:00+00:00", "ids": [ { "system_name": "Red Hat Bugzilla ID", "text": "2141844" } ], "notes": [ { "category": "description", "text": "An HTTP Request Forgery issue was discovered in Varnish Cache. An attacker may introduce characters through HTTP/2 pseudo-headers that are invalid in the context of an HTTP/1 request line, causing the Varnish server to produce invalid HTTP/1 requests to the backend. This could be used to exploit vulnerabilities in a server behind the Varnish server.", "title": "Vulnerability description" }, { "category": "summary", "text": "varnish: Request Forgery Vulnerability", "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": [ "7Server-RHSCL-3.8:rh-varnish6-varnish-0:6.0.8-2.el7.2.ppc64le", "7Server-RHSCL-3.8:rh-varnish6-varnish-0:6.0.8-2.el7.2.s390x", "7Server-RHSCL-3.8:rh-varnish6-varnish-0:6.0.8-2.el7.2.src", "7Server-RHSCL-3.8:rh-varnish6-varnish-0:6.0.8-2.el7.2.x86_64", "7Server-RHSCL-3.8:rh-varnish6-varnish-devel-0:6.0.8-2.el7.2.ppc64le", "7Server-RHSCL-3.8:rh-varnish6-varnish-devel-0:6.0.8-2.el7.2.s390x", "7Server-RHSCL-3.8:rh-varnish6-varnish-devel-0:6.0.8-2.el7.2.x86_64", "7Server-RHSCL-3.8:rh-varnish6-varnish-docs-0:6.0.8-2.el7.2.ppc64le", "7Server-RHSCL-3.8:rh-varnish6-varnish-docs-0:6.0.8-2.el7.2.s390x", "7Server-RHSCL-3.8:rh-varnish6-varnish-docs-0:6.0.8-2.el7.2.x86_64", "7Server-RHSCL-3.8:rh-varnish6-varnish-libs-0:6.0.8-2.el7.2.ppc64le", "7Server-RHSCL-3.8:rh-varnish6-varnish-libs-0:6.0.8-2.el7.2.s390x", "7Server-RHSCL-3.8:rh-varnish6-varnish-libs-0:6.0.8-2.el7.2.x86_64", "7Workstation-RHSCL-3.8:rh-varnish6-varnish-0:6.0.8-2.el7.2.ppc64le", "7Workstation-RHSCL-3.8:rh-varnish6-varnish-0:6.0.8-2.el7.2.s390x", "7Workstation-RHSCL-3.8:rh-varnish6-varnish-0:6.0.8-2.el7.2.src", "7Workstation-RHSCL-3.8:rh-varnish6-varnish-0:6.0.8-2.el7.2.x86_64", "7Workstation-RHSCL-3.8:rh-varnish6-varnish-devel-0:6.0.8-2.el7.2.ppc64le", "7Workstation-RHSCL-3.8:rh-varnish6-varnish-devel-0:6.0.8-2.el7.2.s390x", "7Workstation-RHSCL-3.8:rh-varnish6-varnish-devel-0:6.0.8-2.el7.2.x86_64", "7Workstation-RHSCL-3.8:rh-varnish6-varnish-docs-0:6.0.8-2.el7.2.ppc64le", "7Workstation-RHSCL-3.8:rh-varnish6-varnish-docs-0:6.0.8-2.el7.2.s390x", "7Workstation-RHSCL-3.8:rh-varnish6-varnish-docs-0:6.0.8-2.el7.2.x86_64", "7Workstation-RHSCL-3.8:rh-varnish6-varnish-libs-0:6.0.8-2.el7.2.ppc64le", "7Workstation-RHSCL-3.8:rh-varnish6-varnish-libs-0:6.0.8-2.el7.2.s390x", "7Workstation-RHSCL-3.8:rh-varnish6-varnish-libs-0:6.0.8-2.el7.2.x86_64" ] }, "references": [ { "category": "self", "summary": "Canonical URL", "url": "https://access.redhat.com/security/cve/CVE-2022-45060" }, { "category": "external", "summary": "RHBZ#2141844", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2141844" }, { "category": "external", "summary": "https://www.cve.org/CVERecord?id=CVE-2022-45060", "url": "https://www.cve.org/CVERecord?id=CVE-2022-45060" }, { "category": "external", "summary": "https://nvd.nist.gov/vuln/detail/CVE-2022-45060", "url": "https://nvd.nist.gov/vuln/detail/CVE-2022-45060" }, { "category": "external", "summary": "https://docs.varnish-software.com/security/VSV00011", "url": "https://docs.varnish-software.com/security/VSV00011" }, { "category": "external", "summary": "https://varnish-cache.org/security/VSV00011.html", "url": "https://varnish-cache.org/security/VSV00011.html" } ], "release_date": "2022-11-08T00:00:00+00:00", "remediations": [ { "category": "vendor_fix", "date": "2023-02-08T17:28:32+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": [ "7Server-RHSCL-3.8:rh-varnish6-varnish-0:6.0.8-2.el7.2.ppc64le", "7Server-RHSCL-3.8:rh-varnish6-varnish-0:6.0.8-2.el7.2.s390x", "7Server-RHSCL-3.8:rh-varnish6-varnish-0:6.0.8-2.el7.2.src", "7Server-RHSCL-3.8:rh-varnish6-varnish-0:6.0.8-2.el7.2.x86_64", "7Server-RHSCL-3.8:rh-varnish6-varnish-devel-0:6.0.8-2.el7.2.ppc64le", "7Server-RHSCL-3.8:rh-varnish6-varnish-devel-0:6.0.8-2.el7.2.s390x", "7Server-RHSCL-3.8:rh-varnish6-varnish-devel-0:6.0.8-2.el7.2.x86_64", "7Server-RHSCL-3.8:rh-varnish6-varnish-docs-0:6.0.8-2.el7.2.ppc64le", "7Server-RHSCL-3.8:rh-varnish6-varnish-docs-0:6.0.8-2.el7.2.s390x", "7Server-RHSCL-3.8:rh-varnish6-varnish-docs-0:6.0.8-2.el7.2.x86_64", "7Server-RHSCL-3.8:rh-varnish6-varnish-libs-0:6.0.8-2.el7.2.ppc64le", "7Server-RHSCL-3.8:rh-varnish6-varnish-libs-0:6.0.8-2.el7.2.s390x", "7Server-RHSCL-3.8:rh-varnish6-varnish-libs-0:6.0.8-2.el7.2.x86_64", "7Workstation-RHSCL-3.8:rh-varnish6-varnish-0:6.0.8-2.el7.2.ppc64le", "7Workstation-RHSCL-3.8:rh-varnish6-varnish-0:6.0.8-2.el7.2.s390x", "7Workstation-RHSCL-3.8:rh-varnish6-varnish-0:6.0.8-2.el7.2.src", "7Workstation-RHSCL-3.8:rh-varnish6-varnish-0:6.0.8-2.el7.2.x86_64", "7Workstation-RHSCL-3.8:rh-varnish6-varnish-devel-0:6.0.8-2.el7.2.ppc64le", "7Workstation-RHSCL-3.8:rh-varnish6-varnish-devel-0:6.0.8-2.el7.2.s390x", "7Workstation-RHSCL-3.8:rh-varnish6-varnish-devel-0:6.0.8-2.el7.2.x86_64", "7Workstation-RHSCL-3.8:rh-varnish6-varnish-docs-0:6.0.8-2.el7.2.ppc64le", "7Workstation-RHSCL-3.8:rh-varnish6-varnish-docs-0:6.0.8-2.el7.2.s390x", "7Workstation-RHSCL-3.8:rh-varnish6-varnish-docs-0:6.0.8-2.el7.2.x86_64", "7Workstation-RHSCL-3.8:rh-varnish6-varnish-libs-0:6.0.8-2.el7.2.ppc64le", "7Workstation-RHSCL-3.8:rh-varnish6-varnish-libs-0:6.0.8-2.el7.2.s390x", "7Workstation-RHSCL-3.8:rh-varnish6-varnish-libs-0:6.0.8-2.el7.2.x86_64" ], "restart_required": { "category": "none" }, "url": "https://access.redhat.com/errata/RHSA-2023:0673" }, { "category": "workaround", "details": "The following mitigation can be applied under the impossibility of update the varnish package:\n\n1) Add the following snippet under vcl_recv VCL function at /etc/varnish/default.vcl\n~~~\n if (req.url ~ \"(^$)|[ \\t]+\" || req.method ~ \"(^$)|[ \\t]+\") {\n return (synth(400));\n }\n~~~\n2) Restart the varnish service by running the following command as a privileged user:\n~~~\nsystemctl restart varnish\n~~~\n\nThe VCL script above will check by any invalid character or pseudo-header values and when found it will return a synthetic HTTP error code 400.", "product_ids": [ "7Server-RHSCL-3.8:rh-varnish6-varnish-0:6.0.8-2.el7.2.ppc64le", "7Server-RHSCL-3.8:rh-varnish6-varnish-0:6.0.8-2.el7.2.s390x", "7Server-RHSCL-3.8:rh-varnish6-varnish-0:6.0.8-2.el7.2.src", "7Server-RHSCL-3.8:rh-varnish6-varnish-0:6.0.8-2.el7.2.x86_64", "7Server-RHSCL-3.8:rh-varnish6-varnish-devel-0:6.0.8-2.el7.2.ppc64le", "7Server-RHSCL-3.8:rh-varnish6-varnish-devel-0:6.0.8-2.el7.2.s390x", "7Server-RHSCL-3.8:rh-varnish6-varnish-devel-0:6.0.8-2.el7.2.x86_64", "7Server-RHSCL-3.8:rh-varnish6-varnish-docs-0:6.0.8-2.el7.2.ppc64le", "7Server-RHSCL-3.8:rh-varnish6-varnish-docs-0:6.0.8-2.el7.2.s390x", "7Server-RHSCL-3.8:rh-varnish6-varnish-docs-0:6.0.8-2.el7.2.x86_64", "7Server-RHSCL-3.8:rh-varnish6-varnish-libs-0:6.0.8-2.el7.2.ppc64le", 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"7Workstation-RHSCL-3.8:rh-varnish6-varnish-docs-0:6.0.8-2.el7.2.ppc64le", "7Workstation-RHSCL-3.8:rh-varnish6-varnish-docs-0:6.0.8-2.el7.2.s390x", "7Workstation-RHSCL-3.8:rh-varnish6-varnish-docs-0:6.0.8-2.el7.2.x86_64", "7Workstation-RHSCL-3.8:rh-varnish6-varnish-libs-0:6.0.8-2.el7.2.ppc64le", "7Workstation-RHSCL-3.8:rh-varnish6-varnish-libs-0:6.0.8-2.el7.2.s390x", "7Workstation-RHSCL-3.8:rh-varnish6-varnish-libs-0:6.0.8-2.el7.2.x86_64" ] } ], "threats": [ { "category": "impact", "details": "Important" } ], "title": "varnish: Request Forgery Vulnerability" } ] }
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Sightings
Author | Source | Type | Date |
---|
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.