Vulnerability Assessment & Network Security Forums

If through a vulnerability assessment, a network security issue is detected for the vulnerability below, applying the appropriate security patches in a timely matter is very important. If you have detected that your system has already been compromised, following CERT's Network Security recovery document will assist with recommended steps for system recovery.

Home >> Browse Vulnerability Assessment Database >> Denial of Service >> Zebra and Quagga Remote DoS

Vulnerability Assessment Details

Zebra and Quagga Remote DoS

Vulnerability Assessment Summary
Attempts to crash the remote service Zebra and/or Quagga

Detailed Explanation for this Vulnerability Assessment

A remote DoS exists in Zebra and/or Quagga when sending a telnet option
delimiter with no actual option data.

A possible hacker may exploit this flaw to prevent this host from doing proper
routing.

This affects all versions from 0.90a to 0.93b.

Solution: Quagga Version 0.96.4.
Also see: http://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=107140
Risk factor:High

Networks Security ID: 9029

Vulnerability Assessment Copyright: This script is copyright (C) 2003 Matt North

Cables, Connectors