| Name | CVE-2022-2735 |
| Description | A vulnerability was found in the PCS project. This issue occurs due to incorrect permissions on a Unix socket used for internal communication between PCS daemons. A privilege escalation could happen by obtaining an authentication token for a hacluster user. With the "hacluster" token, this flaw allows an attacker to have complete control over the cluster managed by PCS. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| References | DSA-5226-1 |
| Debian Bugs | 1018930 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| pcs (PTS) | buster | 0.10.1-2 | fixed |
| buster (security) | 0.10.1-2+deb10u1 | fixed |
| bullseye, bullseye (security) | 0.10.8-1+deb11u1 | fixed |
| bookworm | 0.11.5-1+deb12u1 | fixed |
| sid, trixie | 0.11.6-2 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| pcs | source | buster | (not affected) | | | |
| pcs | source | bullseye | 0.10.8-1+deb11u1 | | DSA-5226-1 | |
| pcs | source | (unstable) | 0.11.3-2 | | | 1018930 |
Notes
[buster] - pcs <not-affected> (Vulnerable code not present, see #1018930)
https://www.openwall.com/lists/oss-security/2022/09/01/4
https://bugzilla.redhat.com/show_bug.cgi?id=2116815
https://github.com/ClusterLabs/pcs/commit/de068e2066e377d1cc77edf25aed0198e4c77f7b