Quagga: Denial of Service

1. Gentoo Linux Security Advisory

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

Security Team
Contact Address

Donate to support our development efforts.