| From: |
| Micah Gersten <micah@canonical.com> |
| To: |
| ubuntu-security-announce@lists.ubuntu.com |
| Subject: |
| [USN-1367-2] Firefox vulnerability |
| Date: |
| Fri, 17 Feb 2012 15:27:02 -0600 |
| Message-ID: |
| <4F3EC626.6080205@canonical.com> |
| Archive-link: |
| Article, Thread
|
==========================================================================
Ubuntu Security Notice USN-1367-2
February 17, 2012
firefox vulnerability
==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 11.10
- Ubuntu 11.04
- Ubuntu 10.10
- Ubuntu 10.04 LTS
Summary:
Firefox could be made to crash or run programs as your login if it opened a
specially crafted file.
Software Description:
- firefox: Mozilla Open Source web browser
Details:
USN-1367-1 fixed vulnerabilities in libpng. This provides the corresponding
update for Firefox.
Original advisory details:
Jueri Aedla discovered that libpng did not properly verify the size used
when allocating memory during chunk decompression. If a user or automated
system using libpng were tricked into opening a specially crafted image,
an attacker could exploit this to cause a denial of service or execute
code with the privileges of the user invoking the program. (CVE-2011-3026)
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 11.10:
firefox 10.0.2+build1-0ubuntu0.11.10.1
Ubuntu 11.04:
firefox 10.0.2+build1-0ubuntu0.11.04.1
Ubuntu 10.10:
firefox 10.0.2+build1-0ubuntu0.10.10.1
Ubuntu 10.04 LTS:
firefox 10.0.2+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-1367-2
http://www.ubuntu.com/usn/usn-1367-1
CVE-2011-3026, https://launchpad.net/bugs/933293
Package Information:
https://launchpad.net/ubuntu/+source/firefox/10.0.2+build...
https://launchpad.net/ubuntu/+source/firefox/10.0.2+build...
https://launchpad.net/ubuntu/+source/firefox/10.0.2+build...
https://launchpad.net/ubuntu/+source/firefox/10.0.2+build...
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