SB2013073004 - Input validation error in Wireshark 



SB2013073004 - Input validation error in Wireshark

Published: July 30, 2013 Updated: July 28, 2020

Security Bulletin ID SB2013073004
Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Denial of service

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Input validation error (CVE-ID: CVE-2013-4930)

The vulnerability allows a remote non-authenticated attacker to perform service disruption.

The dissect_dvbci_tpdu_hdr function in epan/dissectors/packet-dvbci.c in the DVB-CI dissector in Wireshark 1.8.x before 1.8.9 and 1.10.x before 1.10.1 does not validate a certain length value before decrementing it, which allows remote attackers to cause a denial of service (assertion failure and application exit) via a crafted packet.


Remediation

Install update from vendor's website.