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Ubuntu Security Notice USN-1353-1

Ubuntu Security Notice USN-1353-1
Posted Feb 8, 2012
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 1353-1 - Jesse Ruderman and Bob Clary discovered memory safety issues affecting the Gecko Browser engine. 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 Xulrunner. It was discovered that the Gecko Browser engine 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 Xulrunner. Various other issues were also addressed.

tags | advisory, denial of service
systems | linux, ubuntu
advisories | CVE-2012-0442, CVE-2011-3659, CVE-2012-0444, CVE-2012-0449, CVE-2011-3670, CVE-2011-3659, CVE-2011-3659, CVE-2011-3670, CVE-2012-0442, CVE-2012-0444, CVE-2012-0449
SHA-256 | f7a6b949074bf0235212ff0d3703dbf9cbeb0609ef5ab85127770d38e309ed10

Ubuntu Security Notice USN-1353-1

Change Mirror Download
==========================================================================
Ubuntu Security Notice USN-1353-1
February 08, 2012

xulrunner-1.9.2 vulnerabilities
==========================================================================

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 10.10
- Ubuntu 10.04 LTS

Summary:

Several security issues were fixed in Xulrunner.

Software Description:
- xulrunner-1.9.2: Mozilla Gecko runtime environment

Details:

Jesse Ruderman and Bob Clary discovered memory safety issues affecting the
Gecko Browser engine. 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 Xulrunner. (CVE-2012-0442)

It was discovered that the Gecko Browser engine 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 Xulrunner. (CVE-2011-3659)

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 Xulrunner. (CVE-2012-0444)

Nicolas Gregoire and Aki Helin discovered that when processing a malformed
embedded XSLT stylesheet, Xulrunner 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 Xulrunner.
(CVE-2012-0449)

Gregory Fleischer discovered that requests using IPv6 hostname syntax
through certain proxies might generate errors. An attacker might be able to
use this to read sensitive data from the error messages. (CVE-2011-3670)

Update instructions:

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 10.10:
xulrunner-1.9.2 1.9.2.26+build2+nobinonly-0ubuntu0.10.10.1

Ubuntu 10.04 LTS:
xulrunner-1.9.2 1.9.2.26+build2+nobinonly-0ubuntu0.10.04.1

After a standard system update you need to restart Yelp or any other
application based on Xulrunner to make all the necessary changes.

References:
http://www.ubuntu.com/usn/usn-1353-1
CVE-2011-3659, CVE-2011-3659, CVE-2011-3670, CVE-2012-0442,
CVE-2012-0444, CVE-2012-0449

Package Information:
https://launchpad.net/ubuntu/+source/xulrunner-1.9.2/1.9.2.26+build2+nobinonly-0ubuntu0.10.10.1
https://launchpad.net/ubuntu/+source/xulrunner-1.9.2/1.9.2.26+build2+nobinonly-0ubuntu0.10.04.1


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