CVE-2015-8738

MEDIUM

Wireshark - Improper Input Validation

Title source: rule

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.

Scores

CVSS v3 5.5
EPSS 0.0009
EPSS Percentile 25.9%
Attack Vector LOCAL
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Classification

CWE
CWE-20
Status draft

Affected Products (1)

wireshark/wireshark

Timeline

Published Jan 04, 2016
Tracked Since Feb 18, 2026