GLSA Advocate
Joined: 12 May 2004 Posts: 2663
|
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)
Severity: normal
Exploitable: remote
Date: January 14, 2009
Bug(s): #250913
ID: 200901-11
Synopsis
A Denial of Service vulnerability has been discovered in Avahi.
Background
Avahi is a system that facilitates service discovery on a local
network.
Affected Packages
Package: net-dns/avahi
Vulnerable: < 0.6.24
Unaffected: >= 0.6.24
Architectures: All supported architectures
Description
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
0.
Impact
A remote attacker could send specially crafted packets to the daemon,
leading to its crash.
Workaround
There is no known workaround at this time.
Resolution
All Avahi users should upgrade to the latest version:
Code: | # emerge --sync
# emerge --ask --oneshot --verbose ">=net-dns/avahi-0.6.24" |
References
CVE-2008-5081
Last edited by GLSA on Sun Mar 11, 2012 4:27 am; edited 2 times in total |
|