[ GLSA 200705-05 ] Quagga: Denial of Service

[GLSA]

Gentoo Linux Security Advisory

Title: Quagga: Denial of Service (GLSA 200705-05)
Severity: normal
Exploitable: remote
Date: May 02, 2007
Bug(s): #174206
ID: 200705-05

Synopsis

A vulnerability has been discovered in Quagga allowing for a Denial of Service.

Background

Quagga is a free routing daemon, supporting RIP, OSPF and BGP protocols.

Affected Packages

Package: net-misc/quagga
Vulnerable: < 0.98.6-r2
Unaffected: >= 0.98.6-r2
Architectures: All supported architectures


Description

The Quagga development team reported a vulnerability in the BGP routing deamon when processing NLRI attributes inside UPDATE messages.

Impact

A malicious peer inside a BGP area could send a specially crafted packet to a Quagga instance, possibly resulting in a crash of the Quagga daemon.

Workaround

There is no known workaround at this time.

Resolution

All Quagga users should upgrade to the latest version: