CVE-2015-8738

MEDIUM

Wireshark 2.0.x - Denial of Service via S7COMM Dissector SZL Response List Count

Title source: llm

Description

The s7comm_decode_ud_cpu_szl_subfunc function in epan/dissectors/packet-s7comm_szl_ids.c in the S7COMM dissector in Wireshark 2.0.x before 2.0.1 does not validate the list count in an SZL response, which allows remote attackers to cause a denial of service (divide-by-zero error and application crash) via a crafted packet.

References (5)

Core 5

Core References

Issue Tracking x_refsource_confirm

https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=11823

Vendor Advisory x_refsource_confirm

http://www.wireshark.org/security/wnpa-sec-2015-56.html

Patch x_refsource_confirm

https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=858c3f0079f987833fb22eba2c361d1a88ba4103

Third Party Advisory vendor-advisory x_refsource_gentoo

https://security.gentoo.org/glsa/201604-05

Third Party Advisory, VDB Entry vdb-entry x_refsource_sectrack

http://www.securitytracker.com/id/1034551

Scores

CVSS v3 5.5

EPSS 0.0009

EPSS Percentile 25.7%

Attack Vector LOCAL

CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Details

CWE

CWE-20

Status published

Products (1)

wireshark/wireshark 2.0.0

Published Jan 04, 2016

Tracked Since Feb 18, 2026