CVE-2011-1496
Description
tmux 1.3 and 1.4 does not properly drop group privileges, which allows local users to gain utmp group privileges via a filename to the -S command-line option.
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.
Exploits
Public proof-of-concept code below. AS-IS, for defenders and authorised testing only.
Exploit-DB
tmux 1.3/1.4 - '-S' Option Incorrect SetGID Privilege Escalation
OS impact
Debian Fixed 5 releases
| Version | Status | Fixed in |
|---|---|---|
| trixie | Fixed | 1.4-6 |
| sid | Fixed | 1.4-6 |
| forky | Fixed | 1.4-6 |
| bullseye | Fixed | 1.4-6 |
| bookworm | Fixed | 1.4-6 |
References
- http://lists.fedoraproject.org/pipermail/package-announce/2011-April/058367.html
- http://lists.fedoraproject.org/pipermail/package-announce/2011-April/058452.html
- http://lists.fedoraproject.org/pipermail/package-announce/2011-April/058548.html
- http://secunia.com/advisories/44081
- http://secunia.com/advisories/44239
- http://www.debian.org/security/2011/dsa-2212
- http://www.exploit-db.com/exploits/17147
- http://www.securityfocus.com/bid/47283
- http://www.vupen.com/english/advisories/2011/0897
- http://www.vupen.com/english/advisories/2011/1002
- http://www.vupen.com/english/advisories/2011/1015
- https://exchange.xforce.ibmcloud.com/vulnerabilities/66693
- https://security-tracker.debian.org/tracker/CVE-2011-1496
CWEs
CWE-264
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.