CVE-2012-2942
Description
Buffer overflow in the trash buffer in the header capture functionality in HAProxy before 1.4.21, when global.tune.bufsize is set to a value greater than the default and header rewriting is enabled, allows remote attackers to cause a denial of service and possibly execute arbitrary code via unspecified vectors.
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
| OS | Version | Status | Fixed in |
|---|---|---|---|
| debian | bookworm | fixed | 1.4.23-1 |
| debian | bullseye | fixed | 1.4.23-1 |
| debian | forky | fixed | 1.4.23-1 |
| debian | sid | fixed | 1.4.23-1 |
| debian | trixie | fixed | 1.4.23-1 |
Application impact
| Vendor | Product | Versions | Fixed |
|---|---|---|---|
| haproxy | haproxy | {"endIncluding":"1.4.20"} | |
References
- http://haproxy.1wt.eu/#news
- http://haproxy.1wt.eu/download/1.4/src/CHANGELOG
- http://haproxy.1wt.eu/git?p=haproxy-1.4.git%3Ba=commit%3Bh=30297cb17147a8d339eb160226bcc08c91d9530b
- http://secunia.com/advisories/49261
- http://security.gentoo.org/glsa/glsa-201301-02.xml
- http://www.debian.org/security/2013/dsa-2711
- http://www.openwall.com/lists/oss-security/2012/05/23/12
- http://www.openwall.com/lists/oss-security/2012/05/23/15
- http://www.openwall.com/lists/oss-security/2012/05/28/1
- http://www.securityfocus.com/bid/53647
- http://www.ubuntu.com/usn/USN-1800-1
- https://exchange.xforce.ibmcloud.com/vulnerabilities/75777
- https://security-tracker.debian.org/tracker/CVE-2012-2942
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.