CVE-2012-1593
Description
epan/dissectors/packet-ansi_a.c in the ANSI A dissector in Wireshark 1.4.x before 1.4.12 and 1.6.x before 1.6.6 allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via a malformed packet.
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
Wireshark - 'call_dissector()' Null Pointer Dereference Denial of Service
OS impact
Debian Fixed 5 releases
| Version | Status | Fixed in |
|---|---|---|
| trixie | Fixed | 1.6.6-1 |
| sid | Fixed | 1.6.6-1 |
| forky | Fixed | 1.6.6-1 |
| bullseye | Fixed | 1.6.6-1 |
| bookworm | Fixed | 1.6.6-1 |
Application impact
| Vendor | Product | Versions | Fixed |
|---|---|---|---|
| wireshark | wireshark | 1.4.0 | |
| wireshark | wireshark | 1.4.1 | |
| wireshark | wireshark | 1.4.2 | |
| wireshark | wireshark | 1.4.3 | |
| wireshark | wireshark | 1.4.4 | |
| wireshark | wireshark | 1.4.5 | |
| wireshark | wireshark | 1.4.6 | |
| wireshark | wireshark | 1.4.7 | |
| wireshark | wireshark | 1.4.8 | |
| wireshark | wireshark | 1.4.9 | |
| wireshark | wireshark | 1.4.10 | |
| wireshark | wireshark | 1.4.11 | |
References
- http://anonsvn.wireshark.org/viewvc?view=revision&revision=40962
- http://lists.fedoraproject.org/pipermail/package-announce/2012-April/078769.html
- http://lists.fedoraproject.org/pipermail/package-announce/2012-April/078770.html
- http://lists.opensuse.org/opensuse-updates/2012-04/msg00060.html
- http://secunia.com/advisories/48548
- http://secunia.com/advisories/48986
- http://www.exploit-db.com/exploits/18758
- http://www.openwall.com/lists/oss-security/2012/03/28/13
- http://www.securitytracker.com/id?1026874
- http://www.wireshark.org/security/wnpa-sec-2012-04.html
- https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=6823
- https://exchange.xforce.ibmcloud.com/vulnerabilities/74361
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A14991
- https://security-tracker.debian.org/tracker/CVE-2012-1593
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.