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Quagga: Denial of Service


1.  Gentoo Linux Security Advisory

Version Information

Advisory Reference GLSA 200705-05 / quagga
Release Date May 02, 2007
Latest Revision May 02, 2007: 01
Impact normal
Exploitable remote
Package Vulnerable versions Unaffected versions Architecture(s)
net-misc/quagga < 0.98.6-r2 >= 0.98.6-r2 All supported architectures

Related bugreports: #174206


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

2.  Impact Information


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


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


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.

3.  Resolution Information


There is no known workaround at this time.


All Quagga users should upgrade to the latest version:

Code Listing 3.1: Resolution

# emerge --sync
# emerge --ask --oneshot --verbose ">=net-misc/quagga-0.98.6-r2"

4.  References


Page updated May 02, 2007

Summary: This is a Gentoo Linux Security Advisory

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