CVE-2012-1593

Wireshark 1.4.x < 1.4.12 and 1.6.x < 1.6.6 - Denial of Service via Malformed ANSI A Packet

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2012-1593. PoCs published by Wireshark.

AI-analyzed exploit summary The provided text describes a denial-of-service vulnerability in Wireshark versions 1.4.0-1.4.11 and 1.6.0-1.6.5 due to a NULL-pointer-dereference error. The PoC is referenced as a PCAP file but is not included in the provided code snippet.

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.

Exploits (1)

exploitdb WRITEUP VERIFIED
by Wireshark · textdosmultiple
https://www.exploit-db.com/exploits/18758

The provided text describes a denial-of-service vulnerability in Wireshark versions 1.4.0-1.4.11 and 1.6.0-1.6.5 due to a NULL-pointer-dereference error. The PoC is referenced as a PCAP file but is not included in the provided code snippet.

Classification
Writeup 90%
Attack Type
Dos
Complexity
Trivial
Reliability
Reliable
Target: Wireshark 1.4.0 through 1.4.11, 1.6.0 through 1.6.5
No auth needed
Prerequisites: Network access to send a malicious PCAP file to a target running a vulnerable version of Wireshark
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (13)

Core 13
Core References
Exploit, Third Party Advisory exploit x_refsource_exploit-db
http://www.exploit-db.com/exploits/18758
Third Party Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/48986
Vendor Advisory x_refsource_confirm
http://www.wireshark.org/security/wnpa-sec-2012-04.html
Mailing List mailing-list x_refsource_mlist
http://www.openwall.com/lists/oss-security/2012/03/28/13
Mailing List vendor-advisory x_refsource_suse
http://lists.opensuse.org/opensuse-updates/2012-04/msg00060.html
Mailing List, Third Party Advisory vendor-advisory x_refsource_fedora
http://lists.fedoraproject.org/pipermail/package-announce/2012-April/078770.html
Third Party Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/48548
Mailing List, Third Party Advisory vendor-advisory x_refsource_fedora
http://lists.fedoraproject.org/pipermail/package-announce/2012-April/078769.html
Third Party Advisory, VDB Entry vdb-entry signature x_refsource_oval
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A14991
Third Party Advisory, VDB Entry vdb-entry x_refsource_sectrack
http://www.securitytracker.com/id?1026874
Third Party Advisory, VDB Entry vdb-entry x_refsource_xf
https://exchange.xforce.ibmcloud.com/vulnerabilities/74361

Scores

EPSS 0.1129
EPSS Percentile 95.4%

Details

Status published
Products (12)
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
... and 2 more
Published Apr 11, 2012
Tracked Since Feb 18, 2026