| Name | CVE-2021-41611 |
| 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. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| squid (PTS) | buster (security), buster, buster (lts) | 4.6-1+deb10u10 | fixed |
| bullseye (security), bullseye | 4.13-10+deb11u3 | fixed |
| bookworm (security), bookworm | 5.7-2+deb12u2 | fixed |
| sid, trixie | 6.12-1 | fixed |
| squid3 (PTS) | jessie, jessie (lts) | 3.5.23-5+deb8u7 | fixed |
| stretch (security) | 3.5.23-5+deb9u7 | fixed |
| stretch (lts), stretch | 3.5.23-5+deb9u10 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| squid | source | buster | (not affected) | | | |
| squid | source | bullseye | (not affected) | | | |
| squid | source | (unstable) | 5.2-1 | | | |
| squid3 | source | (unstable) | (not affected) | | | |
Notes
[bullseye] - squid <not-affected> (Vulnerable code introduced later)
[buster] - squid <not-affected> (Vulnerable code introduced later)
https://github.com/squid-cache/squid/security/advisories/GHSA-47m4-g3mv-9q5r
Fixed by: http://www.squid-cache.org/Versions/v5/changesets/squid-5-533b4359f16cf9ed15a6d709a57a4b06e4222cfe.patch
- squid3 <not-affected> (Vulnerable code introduced later)