CVE-2011-3628
Description
Untrusted search path vulnerability in pam_motd (aka the MOTD module) in libpam-modules before 1.1.3-2ubuntu2.1 on Ubuntu 11.10, before 1.1.2-2ubuntu8.4 on Ubuntu 11.04, before 1.1.1-4ubuntu2.4 on Ubuntu 10.10, before 1.1.1-2ubuntu5.4 on Ubuntu 10.04 LTS, and before 0.99.7.1-5ubuntu6.5 on Ubuntu 8.04 LTS, when using certain configurations such as "session optional pam_motd.so", allows local users to gain privileges by modifying the PATH environment variable to reference a malicious command, as demonstrated via uname.
Predictions
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
OS impact
Ubuntu Affected 5 releases
| Version | Status | Fixed in |
|---|---|---|
| 11.10 | Affected | — |
| 11.04 | Affected | — |
| 10.10 | Affected | — |
| 10.04 | Affected | — |
| 8.04 | Affected | — |
Debian Fixed 5 releases
| Version | Status | Fixed in |
|---|---|---|
| trixie | Fixed | 1.1.3-7 |
| sid | Fixed | 1.1.3-7 |
| forky | Fixed | 1.1.3-7 |
| bullseye | Fixed | 1.1.3-7 |
| bookworm | Fixed | 1.1.3-7 |
Application impact
| Vendor | Product | Versions | Fixed |
|---|---|---|---|
| canonical | libpam-modules | 0.9.7 | |
| canonical | libpam-modules | 1.1.1 | |
| canonical | libpam-modules | 1.1.2 | |
| canonical | libpam-modules | 1.1.3 | |
References
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.