CVE-2012-5667
Description
Multiple integer overflows in GNU Grep before 2.11 might allow context-dependent attackers to execute arbitrary code via vectors involving a long input line that triggers a heap-based buffer overflow.
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
Grep < 2.11 - Integer Overflow Crash (PoC)
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| debian | bookworm | fixed | 2.11-1 |
| debian | bullseye | fixed | 2.11-1 |
| debian | forky | fixed | 2.11-1 |
| debian | sid | fixed | 2.11-1 |
| debian | trixie | fixed | 2.11-1 |
References
- http://git.savannah.gnu.org/cgit/grep.git/commit/?id=8fcf61523644df42e1905c81bed26838e0b04f91
- http://git.savannah.gnu.org/cgit/grep.git/commit/?id=cbbc1a45b9f843c811905c97c90a5d31f8e6c189
- http://git.sv.gnu.org/gitweb/?p=grep.git%3Ba=shortlog%3Bh=v2.11
- http://lists.gnu.org/archive/html/bug-grep/2012-12/msg00004.html
- http://openwall.com/lists/oss-security/2012/12/22/6
- http://rhn.redhat.com/errata/RHSA-2015-1447.html
- http://www.securityfocus.com/bid/57033
- https://bugs.launchpad.net/ubuntu/+source/grep/+bug/1091473
- https://bugzilla.redhat.com/show_bug.cgi?id=889935
- https://security-tracker.debian.org/tracker/CVE-2012-5667
CWEs
CWE-189
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.