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

Ubuntu Security Notice (C) 2010-2013 Canonical, Inc. / NASL script (C) 2010-2013 Tenable Network Security, Inc.


Synopsis :

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

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.
(CVE-2009-0758)

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.
(CVE-2010-2244).

Solution :

Update the affected packages.

Risk factor :

High / CVSS Base Score : 7.8
(CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:C)
CVSS Temporal Score : 6.4
(CVSS2#E:F/RL:OF/RC:C)
Public Exploit Available : true

Family: Ubuntu Local Security Checks

Nessus Plugin ID: 49761 ()

Bugtraq ID: 33946
41075

CVE ID: CVE-2009-0758
CVE-2010-2244