CVE-2011-3149
low
CVSS v3
—
CVSS v4 NEW
—
VIR risk
2.1
Description
The _expand_arg function in the pam_env module (modules/pam_env/pam_env.c) in Linux-PAM (aka pam) before 1.1.5 does not properly handle when environment variable expansion can overflow, which allows local users to cause a denial of service (CPU consumption).
Predictions
Exploit likelihood
20%
Patch ETA
—
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
Debian Fixed 5 releases
| Version | Status | Fixed in |
|---|---|---|
| trixie | Fixed | 1.1.3-5 |
| sid | Fixed | 1.1.3-5 |
| forky | Fixed | 1.1.3-5 |
| bullseye | Fixed | 1.1.3-5 |
| bookworm | Fixed | 1.1.3-5 |
Application impact
| Vendor | Product | Versions | Fixed |
|---|---|---|---|
| linux-pam | linux-pam | {"endIncluding":"1.1.4"} | |
| linux-pam | linux-pam | 0.99.1.0 | |
| linux-pam | linux-pam | 0.99.2.0 | |
| linux-pam | linux-pam | 0.99.2.1 | |
| linux-pam | linux-pam | 0.99.3.0 | |
| linux-pam | linux-pam | 0.99.4.0 | |
| linux-pam | linux-pam | 0.99.5.0 | |
| linux-pam | linux-pam | 0.99.6.0 | |
| linux-pam | linux-pam | 0.99.6.1 | |
| linux-pam | linux-pam | 0.99.6.2 | |
| linux-pam | linux-pam | 0.99.6.3 | |
| linux-pam | linux-pam | 0.99.7.0 | |
| linux-pam | linux-pam | 0.99.7.1 | |
| linux-pam | linux-pam | 0.99.8.0 | |
| linux-pam | linux-pam | 0.99.8.1 | |
| linux-pam | linux-pam | 0.99.9.0 | |
| linux-pam | linux-pam | 0.99.10.0 | |
| linux-pam | linux-pam | 1.0.0 | |
| linux-pam | linux-pam | 1.0.1 | |
| linux-pam | linux-pam | 1.0.2 | |
| linux-pam | linux-pam | 1.0.3 | |
| linux-pam | linux-pam | 1.0.4 | |
| linux-pam | linux-pam | 1.1.0 | |
| linux-pam | linux-pam | 1.1.1 | |
| linux-pam | linux-pam | 1.1.2 | |
| linux-pam | linux-pam | 1.1.3 | |
References
- http://git.fedorahosted.org/git/?p=linux-pam.git%3Ba=commitdiff%3Bh=109823cb621c900c07c4b6cdc99070d354d19444
- http://secunia.com/advisories/46583
- http://secunia.com/advisories/49711
- http://security.gentoo.org/glsa/glsa-201206-31.xml
- http://www.ubuntu.com/usn/USN-1237-1
- https://bugs.launchpad.net/ubuntu/+source/pam/+bug/874565
- https://security-tracker.debian.org/tracker/CVE-2011-3149
CWEs
CWE-119
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.