Ubuntu 8.04 LTS / 10.04 LTS / 10.10 / 11.04 : bind9 vulnerabilities (USN-1139-1)

Ubuntu Security Notice (C) 2011-2014 Canonical, Inc. / NASL script (C) 2011-2014 Tenable Network Security, Inc.


Synopsis :

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

Description :

It was discovered that Bind incorrectly handled certain bad signatures
if multiple trust anchors existed for a single zone. A remote attacker
could use this flaw to cause Bind to stop responding, resulting in a
denial of service. This issue only affected Ubuntu 8.04 LTS and 10.04
LTS. (CVE-2010-3762)

Frank Kloeker and Michael Sinatra discovered that Bind incorrectly
handled certain very large RRSIG RRsets included in negative
responses. A remote attacker could use this flaw to cause Bind to stop
responding, resulting in a denial of service. (CVE-2011-1910).

Solution :

Update the affected packages.

Risk factor :

Medium / CVSS Base Score : 5.0
(CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P)
CVSS Temporal Score : 4.3
(CVSS2#E:ND/RL:OF/RC:C)
Public Exploit Available : true

Family: Ubuntu Local Security Checks

Nessus Plugin ID: 55101 ()

Bugtraq ID: 45385
48007

CVE ID: CVE-2010-3762
CVE-2011-1910