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GLSA-200901-11 : Avahi: Denial of Service

medium Nessus Plugin ID 35380

Synopsis

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

Description

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.

Solution

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

See Also

https://security.gentoo.org/glsa/200901-11

Plugin Details

Severity: Medium

ID: 35380

File Name: gentoo_GLSA-200901-11.nasl

Version: 1.16

Type: local

Published: 1/15/2009

Updated: 1/6/2021

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.5

CVSS v2

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: 1/14/2009

Reference Information

CVE: CVE-2008-5081

CWE: 399

GLSA: 200901-11