GLSA-200901-11 : Avahi: Denial of Service

Medium Nessus Plugin ID 35380


The remote Gentoo host is missing one or more security-related patches.


The remote host is affected by the vulnerability described in GLSA-200901-11 (Avahi: Denial of Service)

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.


All Avahi users should upgrade to the latest version:
# emerge --sync # emerge --ask --oneshot --verbose '>=net-dns/avahi-0.6.24'

See Also

Plugin Details

Severity: Medium

ID: 35380

File Name: gentoo_GLSA-200901-11.nasl

Version: $Revision: 1.13 $

Type: local

Published: 2009/01/15

Modified: 2015/04/13

Dependencies: 12634

Risk Information

Risk Factor: Medium


Base Score: 5

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P

Vulnerability Information

CPE: p-cpe:/a:gentoo:linux:avahi, cpe:/o:gentoo:linux

Required KB Items: Host/local_checks_enabled, Host/Gentoo/release, Host/Gentoo/qpkg-list

Patch Publication Date: 2009/01/14

Reference Information

CVE: CVE-2008-5081

OSVDB: 50929

GLSA: 200901-11

CWE: 399