Vulnerability Details CVE-2021-41611
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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.022
EPSS Ranking 83.6%
CVSS Severity
CVSS v3 Score 7.5
CVSS v2 Score 5.0
References
- http://www.openwall.com/lists/oss-security/2021/12/23/2
- http://www.squid-cache.org/Versions/v6/changesets/squid-6-43d6b5c81b88ec2256b430c69a872a1e4f324e4a.patch
- https://github.com/squid-cache/squid/security/advisories/GHSA-47m4-g3mv-9q5r
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CWQ2WKDWTSO47S3F6XJJ6HGG2ULWEAE4/
- http://www.openwall.com/lists/oss-security/2021/12/23/2
- http://www.squid-cache.org/Versions/v6/changesets/squid-6-43d6b5c81b88ec2256b430c69a872a1e4f324e4a.patch
- https://github.com/squid-cache/squid/security/advisories/GHSA-47m4-g3mv-9q5r
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CWQ2WKDWTSO47S3F6XJJ6HGG2ULWEAE4/
Products affected by CVE-2021-41611
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cpe:2.3:a:squid-cache:squid:5.0.6
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cpe:2.3:a:squid-cache:squid:5.0.7
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cpe:2.3:a:squid-cache:squid:5.1
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cpe:2.3:o:fedoraproject:fedora:35