Vulnerability Description
An issue was discovered in Squid 5.0.6 through 5.1.x before 5.2. When validating an origin server or peer certificate, Squid may incorrectly classify certain certificates as trusted. This problem allows a remote server to obtain security trust well improperly. This indication of trust may be passed along to clients, allowing access to unsafe or hijacked services.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Squid-Cache | Squid | >= 5.0.6, < 5.2 |
| Fedoraproject | Fedora | 35 |
Related Weaknesses (CWE)
References
- http://www.openwall.com/lists/oss-security/2021/12/23/2Mailing ListThird Party Advisory
- http://www.squid-cache.org/Versions/v6/changesets/squid-6-43d6b5c81b88ec2256b430Vendor Advisory
- https://github.com/squid-cache/squid/security/advisories/GHSA-47m4-g3mv-9q5rPatchThird Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- http://www.openwall.com/lists/oss-security/2021/12/23/2Mailing ListThird Party Advisory
- http://www.squid-cache.org/Versions/v6/changesets/squid-6-43d6b5c81b88ec2256b430Vendor Advisory
- https://github.com/squid-cache/squid/security/advisories/GHSA-47m4-g3mv-9q5rPatchThird Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
FAQ
What is CVE-2021-41611?
CVE-2021-41611 is a vulnerability with a CVSS score of 7.5 (HIGH). An issue was discovered in Squid 5.0.6 through 5.1.x before 5.2. When validating an origin server or peer certificate, Squid may incorrectly classify certain certificates as trusted. This problem allo...
How severe is CVE-2021-41611?
CVE-2021-41611 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2021-41611?
Check the references section above for vendor advisories and patch information. Affected products include: Squid-Cache Squid, Fedoraproject Fedora.