Ubuntu 10.04 LTS / 10.10 / 11.04 / 11.10 : firefox vulnerabilities (USN-1355-1)

Ubuntu Security Notice (C) 2012-2014 Canonical, Inc. / NASL script (C) 2012-2014 Tenable Network Security, Inc.


Synopsis :

The remote Ubuntu host is missing a security-related patch.

Description :

It was discovered that if a user chose to export their Firefox Sync
key the 'Firefox Recovery Key.html' file is saved with incorrect
permissions, making the file contents potentially readable by other
users. (CVE-2012-0450)

Nicolas Gregoire and Aki Helin discovered that when processing a
malformed embedded XSLT stylesheet, Firefox can crash due to memory
corruption. If the user were tricked into opening a specially crafted
page, an attacker could exploit this to cause a denial of service via
application crash, or potentially execute code with the privileges of
the user invoking Firefox. (CVE-2012-0449)

It was discovered that memory corruption could occur during the
decoding of Ogg Vorbis files. If the user were tricked into opening a
specially crafted file, an attacker could exploit this to cause a
denial of service via application crash, or potentially execute code
with the privileges of the user invoking Firefox. (CVE-2012-0444)

Tim Abraldes discovered that when encoding certain images types the
resulting data was always a fixed size. There is the possibility of
sensitive data from uninitialized memory being appended to these
images. (CVE-2012-0447)

It was discovered that Firefox did not properly perform XPConnect
security checks. An attacker could exploit this to conduct cross-site
scripting (XSS) attacks through web pages and Firefox extensions. With
cross-site scripting vulnerabilities, if a user were tricked into
viewing a specially crafted page, a remote attacker could exploit this
to modify the contents, or steal confidential data, within the same
domain. (CVE-2012-0446)

It was discovered that Firefox did not properly handle node removal in
the DOM. If the user were tricked into opening a specially crafted
page, an attacker could exploit this to cause a denial of service via
application crash, or potentially execute code with the privileges of
the user invoking Firefox. (CVE-2011-3659)

Alex Dvorov discovered that Firefox did not properly handle sub-frames
in form submissions. An attacker could exploit this to conduct
phishing attacks using HTML5 frames. (CVE-2012-0445)

Ben Hawkes, Christian Holler, Honza Bombas, Jason Orendorff, Jesse
Ruderman, Jan Odvarko, Peter Van Der Beken, Bob Clary, and Bill
McCloskey discovered memory safety issues affecting Firefox. If the
user were tricked into opening a specially crafted page, an attacker
could exploit these to cause a denial of service via application
crash, or potentially execute code with the privileges of the user
invoking Firefox. (CVE-2012-0442, CVE-2012-0443).

Solution :

Update the affected firefox package.

Risk factor :

Critical / CVSS Base Score : 10.0
(CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C)
CVSS Temporal Score : 8.7
(CVSS2#E:ND/RL:OF/RC:C)
Public Exploit Available : true