Vulnerability 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.
CVSS Score
LOW
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Squid-Cache | Squid | <= 4.14 |
| Fedoraproject | Fedora | 33 |
| Debian | Debian Linux | 10.0 |
Related Weaknesses (CWE)
References
- http://www.openwall.com/lists/oss-security/2021/10/04/1Mailing ListThird Party Advisory
- http://www.squid-cache.org/Versions/ProductVendor Advisory
- https://github.com/squid-cache/squid/security/advisories/GHSA-rgf3-9v3p-qp82Broken Link
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://security.gentoo.org/glsa/202105-14Third Party Advisory
- https://www.debian.org/security/2022/dsa-5171Third Party Advisory
- https://www.zerodayinitiative.com/advisories/ZDI-21-157/Third Party AdvisoryVDB Entry
- http://www.openwall.com/lists/oss-security/2021/10/04/1Mailing ListThird Party Advisory
- http://www.squid-cache.org/Versions/ProductVendor Advisory
- https://github.com/squid-cache/squid/security/advisories/GHSA-rgf3-9v3p-qp82Broken Link
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://security.gentoo.org/glsa/202105-14Third Party Advisory
- https://www.debian.org/security/2022/dsa-5171Third Party Advisory
FAQ
What is CVE-2021-28116?
CVE-2021-28116 is a vulnerability with a CVSS score of 3.7 (LOW). 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 rem...
How severe is CVE-2021-28116?
CVE-2021-28116 has been rated LOW with a CVSS base score of 3.7/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2021-28116?
Check the references section above for vendor advisories and patch information. Affected products include: Squid-Cache Squid, Fedoraproject Fedora, Debian Debian Linux.