Unrated severityNVD Advisory· Published Mar 9, 2021· Updated Aug 3, 2024
CVE-2021-28116
CVE-2021-28116
Description
Squid through 4.14 and 5.x through 5.0.5, in some configurations, allows information disclosure because of an out-of-bounds read in WCCP protocol data. This can be leveraged as part of a chain for remote code execution as nobody.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
12- Squid/Squiddescription
- osv-coords10 versionspkg:rpm/almalinux/libecappkg:rpm/almalinux/libecap-develpkg:rpm/almalinux/squidpkg:rpm/opensuse/squid&distro=openSUSE%20Leap%2015.2pkg:rpm/opensuse/squid&distro=openSUSE%20Leap%2015.3pkg:rpm/opensuse/squid&distro=openSUSE%20Tumbleweedpkg:rpm/suse/squid&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Server%20Applications%2015%20SP2pkg:rpm/suse/squid&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Server%20Applications%2015%20SP3pkg:rpm/suse/squid&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP5pkg:rpm/suse/squid&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP5
< 1.0.1-2.module_el8.6.0+2741+01592ae8+ 9 more
- (no CPE)range: < 1.0.1-2.module_el8.6.0+2741+01592ae8
- (no CPE)range: < 1.0.1-2.module_el8.6.0+2741+01592ae8
- (no CPE)range: < 7:4.15-3.module_el8.6.0+2741+01592ae8
- (no CPE)range: < 4.17-lp152.2.12.1
- (no CPE)range: < 4.17-5.29.1
- (no CPE)range: < 5.2-1.1
- (no CPE)range: < 4.17-5.29.1
- (no CPE)range: < 4.17-5.29.1
- (no CPE)range: < 4.17-4.21.1
- (no CPE)range: < 4.17-4.21.1
Patches
Vulnerability mechanics
No source-code context for this CVE — mechanics is only generated when we can read the actual fix diff. Without that, the four sections (root cause, attack vector, affected code, fix) would be speculation rather than analysis.
References
8- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LSQ3U54ZCNXR44QRPW3AV2VCS6K3TKCF/mitrevendor-advisoryx_refsource_FEDORA
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/T4EPIWUZDJAXADDHVOPKRBTQHPBR6H66/mitrevendor-advisoryx_refsource_FEDORA
- security.gentoo.org/glsa/202105-14mitrevendor-advisoryx_refsource_GENTOO
- www.debian.org/security/2022/dsa-5171mitrevendor-advisoryx_refsource_DEBIAN
- www.openwall.com/lists/oss-security/2021/10/04/1mitremailing-listx_refsource_MLIST
- www.squid-cache.org/Versions/mitrex_refsource_MISC
- github.com/squid-cache/squid/security/advisories/GHSA-rgf3-9v3p-qp82mitrex_refsource_MISC
- www.zerodayinitiative.com/advisories/ZDI-21-157/mitrex_refsource_MISC
News mentions
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