SB2014010101 - Denial of service in OpenConnect VPN client



SB2014010101 - Denial of service in OpenConnect VPN client

Published: January 1, 2014 Updated: May 25, 2020

Security Bulletin ID SB2014010101
Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Denial of service

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Heap-based buffer overflow (CVE-ID: CVE-2013-7098)

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

The vulnerability exists due to a boundary error when processing connection data with increased MTU on reconnection. A remote attacker can pass specially crafted data to the application, trigger heap-based buffer overflow and perform a denial of service (DoS) attack.



Remediation

Install update from vendor's website.