CVE-2012-2131
Description
Multiple integer signedness errors in crypto/buffer/buffer.c in OpenSSL 0.9.8v allow remote attackers to conduct buffer overflow attacks, and cause a denial of service (memory corruption) or possibly have unspecified other impact, via crafted DER data, as demonstrated by an X.509 certificate or an RSA public key. NOTE: this vulnerability exists because of an incomplete fix for CVE-2012-2110.
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
OS impact
Debian Fixed 5 releases
| Version | Status | Fixed in |
|---|---|---|
| trixie | Fixed | 0 |
| sid | Fixed | 0 |
| forky | Fixed | 0 |
| bullseye | Fixed | 0 |
| bookworm | Fixed | 0 |
Application impact
| Vendor | Product | Versions | Fixed |
|---|---|---|---|
| openssl | openssl | 0.9.8v | |
References
- http://cvs.openssl.org/chngview?cn=22479
- http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10673
- http://lists.apple.com/archives/security-announce/2013/Jun/msg00000.html
- http://lists.opensuse.org/opensuse-security-announce/2012-05/msg00014.html
- http://lists.opensuse.org/opensuse-security-announce/2012-05/msg00015.html
- http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00007.html
- http://marc.info/?l=bugtraq&m=133728068926468&w=2
- http://marc.info/?l=bugtraq&m=134039053214295&w=2
- http://secunia.com/advisories/48895
- http://secunia.com/advisories/48956
- http://secunia.com/advisories/57353
- http://support.apple.com/kb/HT5784
- http://www-01.ibm.com/support/docview.wss?uid=ssg1S1004564
- http://www.debian.org/security/2012/dsa-2454
- http://www.mandriva.com/security/advisories?name=MDVSA-2012:064
- http://www.openssl.org/news/secadv_20120424.txt
- http://www.openwall.com/lists/oss-security/2012/04/24/1
- http://www.securityfocus.com/bid/53212
- http://www.securitytracker.com/id?1026957
- http://www.ubuntu.com/usn/USN-1428-1
- https://exchange.xforce.ibmcloud.com/vulnerabilities/75099
- https://security-tracker.debian.org/tracker/CVE-2012-2131
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.