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Ubuntu Security Notice USN-1608-1

Ubuntu Security Notice USN-1608-1
Posted Oct 12, 2012
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 1608-1 - It was discovered that the browser engine used in Firefox contained a memory corruption flaw. If a user were tricked into opening a specially crafted web page, a remote attacker could cause Firefox to crash or potentially execute arbitrary code as the user invoking the program. It was discovered that Firefox allowed improper access to the Location object. An attacker could exploit this to obtain sensitive information. Various other issues were also addressed.

tags | advisory, remote, web, arbitrary
systems | linux, ubuntu
advisories | CVE-2012-4191, CVE-2012-4192, CVE-2012-4191, CVE-2012-4192
SHA-256 | b3171a505c67b1392922829ab39b752d7cd1456e5f0239477cb2728a9ae678c2

Ubuntu Security Notice USN-1608-1

Change Mirror Download
============================================================================
Ubuntu Security Notice USN-1608-1
October 11, 2012

firefox vulnerabilities
============================================================================

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

- Ubuntu 12.04 LTS
- Ubuntu 11.10
- Ubuntu 11.04
- Ubuntu 10.04 LTS

Summary:

Several security issues were fixed in Firefox.

Software Description:
- firefox: Mozilla Open Source web browser

Details:

It was discovered that the browser engine used in Firefox contained a
memory corruption flaw. If a user were tricked into opening a specially
crafted web page, a remote attacker could cause Firefox to crash or
potentially execute arbitrary code as the user invoking the program.
(CVE-2012-4191)

It was discovered that Firefox allowed improper access to the Location
object. An attacker could exploit this to obtain sensitive information.
(CVE-2012-4192)

Update instructions:

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

Ubuntu 12.04 LTS:
firefox 16.0.1+build1-0ubuntu0.12.04.1

Ubuntu 11.10:
firefox 16.0.1+build1-0ubuntu0.11.10.1

Ubuntu 11.04:
firefox 16.0.1+build1-0ubuntu0.11.04.1

Ubuntu 10.04 LTS:
firefox 16.0.1+build1-0ubuntu0.10.04.1

After a standard system update you need to restart Firefox to make
all the necessary changes.

References:
http://www.ubuntu.com/usn/usn-1608-1
CVE-2012-4191, CVE-2012-4192, https://launchpad.net/bugs/1065285

Package Information:
https://launchpad.net/ubuntu/+source/firefox/16.0.1+build1-0ubuntu0.12.04.1
https://launchpad.net/ubuntu/+source/firefox/16.0.1+build1-0ubuntu0.11.10.1
https://launchpad.net/ubuntu/+source/firefox/16.0.1+build1-0ubuntu0.11.04.1
https://launchpad.net/ubuntu/+source/firefox/16.0.1+build1-0ubuntu0.10.04.1
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