Division by zero in Wireshark - CVE-2012-4285

 

Division by zero in Wireshark - CVE-2012-4285

Published: August 16, 2012 / Updated: July 28, 2020


Vulnerability identifier: #VU32761
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2012-4285
CWE-ID: CWE-369
Exploitation vector: Adjecent network
Exploit availability: No public exploit available
Vendor: Wireshark.org
Affected software:
Wireshark

Detailed vulnerability description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to divide-by-zero error within The dissect_pft function in epan/dissectors/packet-dcp-etsi.c in the DCP ETSI dissector in Wireshark 1.4.x before 1.4.15, 1.6.x before 1.6.10, and 1.8.x before 1.8.2. A remote attacker can perform a denial of service (divide-by-zero error and application crash) via a zero-length message.


How to mitigate CVE-2012-4285

Update to version 1.4.15.

Sources