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Ubuntu 5.10 / 6.06 LTS / 6.10 : avahi vulnerability (USN-402-1)

medium Nessus Plugin ID 27990

Synopsis

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

Description

A flaw was discovered in Avahi's handling of compressed DNS packets.
If a specially crafted reply were received over the network, the Avahi daemon would go into an infinite loop, causing a denial of service.

Note that Tenable Network Security has extracted the preceding description block directly from the Ubuntu security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

Solution

Update the affected packages.

See Also

https://usn.ubuntu.com/402-1/

Plugin Details

Severity: Medium

ID: 27990

File Name: ubuntu_USN-402-1.nasl

Version: 1.16

Type: local

Agent: unix

Published: 11/10/2007

Updated: 1/19/2021

Supported Sensors: Agentless Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.7

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

Vulnerability Information

CPE: p-cpe:/a:canonical:ubuntu_linux:avahi-daemon, p-cpe:/a:canonical:ubuntu_linux:avahi-discover, p-cpe:/a:canonical:ubuntu_linux:avahi-dnsconfd, p-cpe:/a:canonical:ubuntu_linux:avahi-utils, p-cpe:/a:canonical:ubuntu_linux:libavahi-cil, p-cpe:/a:canonical:ubuntu_linux:libavahi-client-dev, p-cpe:/a:canonical:ubuntu_linux:libavahi-client1, p-cpe:/a:canonical:ubuntu_linux:libavahi-client3, p-cpe:/a:canonical:ubuntu_linux:libavahi-common-data, p-cpe:/a:canonical:ubuntu_linux:libavahi-common-dev, p-cpe:/a:canonical:ubuntu_linux:libavahi-common0, p-cpe:/a:canonical:ubuntu_linux:libavahi-common3, p-cpe:/a:canonical:ubuntu_linux:libavahi-compat-howl-dev, p-cpe:/a:canonical:ubuntu_linux:libavahi-compat-howl0, p-cpe:/a:canonical:ubuntu_linux:libavahi-compat-libdnssd-dev, p-cpe:/a:canonical:ubuntu_linux:libavahi-compat-libdnssd1, p-cpe:/a:canonical:ubuntu_linux:libavahi-core-dev, p-cpe:/a:canonical:ubuntu_linux:libavahi-core1, p-cpe:/a:canonical:ubuntu_linux:libavahi-core4, p-cpe:/a:canonical:ubuntu_linux:libavahi-glib-dev, p-cpe:/a:canonical:ubuntu_linux:libavahi-glib0, p-cpe:/a:canonical:ubuntu_linux:libavahi-glib1, p-cpe:/a:canonical:ubuntu_linux:libavahi-qt3-0, p-cpe:/a:canonical:ubuntu_linux:libavahi-qt3-1, p-cpe:/a:canonical:ubuntu_linux:libavahi-qt3-dev, p-cpe:/a:canonical:ubuntu_linux:libavahi-qt4-0, p-cpe:/a:canonical:ubuntu_linux:libavahi-qt4-1, p-cpe:/a:canonical:ubuntu_linux:libavahi-qt4-dev, p-cpe:/a:canonical:ubuntu_linux:monodoc-avahi-manual, p-cpe:/a:canonical:ubuntu_linux:python-avahi, p-cpe:/a:canonical:ubuntu_linux:python2.4-avahi, cpe:/o:canonical:ubuntu_linux:5.10, cpe:/o:canonical:ubuntu_linux:6.06:-:lts, cpe:/o:canonical:ubuntu_linux:6.10

Required KB Items: Host/cpu, Host/Ubuntu, Host/Ubuntu/release, Host/Debian/dpkg-l

Exploit Ease: No known exploits are available

Patch Publication Date: 1/5/2007

Reference Information

CVE: CVE-2006-6870

BID: 21881

USN: 402-1