CVEvulnerability
CVE-2021-28116
5.3 MEDIUM
Official page ↗
- Status
- Modified
- Published
- 2021-03-09
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 3.7 LOW — CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
- CVSS 3.1 ([email protected])
- 5.3 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
- CVSS 2.0 ([email protected])
- 4.3 MEDIUM — AV:N/AC:M/Au:N/C:P/I:N/A:N
- Weaknesses
- CWE-125
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.
Affected configurations
• squid-cache squid (<= 4.14)
• squid-cache squid (>= 5.0 <= 5.0.5)
• fedoraproject fedora 33
• fedoraproject fedora 34
• debian debian linux 10.0
• debian debian linux 11.0
Related
Weakness · CWE (1)
- CWE-125 Out-of-bounds Read weakness
References
- http://www.openwall.com/lists/oss-security/2021/10/04/1 Mailing List, Third Party Advisory
- http://www.squid-cache.org/Versions/ Product, Vendor Advisory
- https://github.com/squid-cache/squid/security/advisories/GHSA-rgf3-9v3p-qp82 Broken Link
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LSQ3U54ZCNXR44QRPW3AV2VCS6K3TKCF/ lists.fedoraproject.org
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/T4EPIWUZDJAXADDHVOPKRBTQHPBR6H66/ lists.fedoraproject.org
- https://security.gentoo.org/glsa/202105-14 Third Party Advisory
- https://www.debian.org/security/2022/dsa-5171 Third Party Advisory
- https://www.zerodayinitiative.com/advisories/ZDI-21-157/ Third Party Advisory, VDB Entry
- http://www.openwall.com/lists/oss-security/2021/10/04/1 Mailing List, Third Party Advisory
- http://www.squid-cache.org/Versions/ Product, Vendor Advisory
- https://github.com/squid-cache/squid/security/advisories/GHSA-rgf3-9v3p-qp82 Broken Link
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LSQ3U54ZCNXR44QRPW3AV2VCS6K3TKCF/ lists.fedoraproject.org
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/T4EPIWUZDJAXADDHVOPKRBTQHPBR6H66/ lists.fedoraproject.org
- https://security.gentoo.org/glsa/202105-14 Third Party Advisory
- https://www.debian.org/security/2022/dsa-5171 Third Party Advisory
- https://www.zerodayinitiative.com/advisories/ZDI-21-157/ Third Party Advisory, VDB Entry