SB2014010101 - Denial of service in OpenConnect VPN client
Published: January 1, 2014 Updated: May 25, 2020
Breakdown by Severity
- 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.