Ubuntu 8.04 LTS / 9.04 / 9.10 / 10.04 LTS : avahi vulnerabilities (USN-992-1)

Ubuntu Security Notice (C) 2010-2016 Canonical, Inc. / NASL script (C) 2010-2016 Tenable Network Security, Inc.

Synopsis :

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

Description :

It was discovered that Avahi incorrectly handled certain mDNS query
packets when the reflector feature is enabled, which is not the
default configuration on Ubuntu. A remote attacker could send crafted
mDNS queries and perform a denial of service on the server and on the
network. This issue only affected Ubuntu 8.04 LTS and 9.04.

It was discovered that Avahi incorrectly handled mDNS packets with
corrupted checksums. A remote attacker could send crafted mDNS packets
and cause Avahi to crash, resulting in 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.

Risk factor :

High / CVSS Base Score : 7.8
CVSS Temporal Score : 6.4
Public Exploit Available : true

Family: Ubuntu Local Security Checks

Nessus Plugin ID: 49761 ()

Bugtraq ID: 33946

CVE ID: CVE-2009-0758

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