Ubuntu 10.04 LTS / 10.10 : firefox, xulrunner-1.9.2 vulnerabilities (USN-1149-1)

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 :

Multiple memory vulnerabilities were discovered in the browser
rendering engine. An attacker could use these to possibly execute
arbitrary code with the privileges of the user invoking Firefox.
(CVE-2011-2364, CVE-2011-2365, CVE-2011-2374, CVE-2011-2376)

Martin Barbella discovered that under certain conditions, viewing a
XUL document while JavaScript was disabled caused deleted memory to be
accessed. An attacker could potentially use this to crash Firefox or
execute arbitrary code with the privileges of the user invoking
Firefox. (CVE-2011-2373)

Jordi Chancel discovered a vulnerability on multipart/x-mixed-replace
images due to memory corruption. An attacker could potentially use
this to crash Firefox or execute arbitrary code with the privileges of
the user invoking Firefox. (CVE-2011-2377)

Chris Rohlf and Yan Ivnitskiy discovered an integer overflow
vulnerability in JavaScript Arrays. An attacker could potentially use
this to execute arbitrary code with the privileges of the user
invoking Firefox. (CVE-2011-2371)

Multiple use-after-free vulnerabilities were discovered. An attacker
could potentially use these to execute arbitrary code with the
privileges of the user invoking Firefox. (CVE-2011-0083,
CVE-2011-0085, CVE-2011-2363)

David Chan discovered that cookies did not honor same-origin
conventions. This could potentially lead to cookie data being leaked
to a third-party. (CVE-2011-2362).

Solution :

Update the affected firefox and / or xulrunner-1.9.2 packages.

Risk factor :

Critical / CVSS Base Score : 10.0
(CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C)
Public Exploit Available : true