Joined: 12 May 2004
|Posted: Thu Jan 15, 2009 12:26 am Post subject: [ GLSA 200901-11 ] Avahi: Denial of Service
|Gentoo Linux Security Advisory
Title: Avahi: Denial of Service (GLSA 200901-11)
Date: January 14, 2009
A Denial of Service vulnerability has been discovered in Avahi.
Avahi is a system that facilitates service discovery on a local
Vulnerable: < 0.6.24
Unaffected: >= 0.6.24
Architectures: All supported architectures
Hugo Dias reported a failed assertion in the
originates_from_local_legacy_unicast_socket() function in
avahi-core/server.c when processing mDNS packets with a source port of
A remote attacker could send specially crafted packets to the daemon,
leading to its crash.
There is no known workaround at this time.
All Avahi users should upgrade to the latest version:
|# emerge --sync
# emerge --ask --oneshot --verbose ">=net-dns/avahi-0.6.24"
Last edited by GLSA on Sun Mar 11, 2012 4:27 am; edited 2 times in total