Ubuntu: 1367-4: Xulrunner vulnerability
Posted by Benjamin D. Thomas   
Ubuntu Xulrunner based applications could be made to crash or run programs as yourlogin if they opened a specially crafted file.
Ubuntu Security Notice USN-1367-4
February 17, 2012

xulrunner-1.9.2 vulnerability

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

- Ubuntu 10.10
- Ubuntu 10.04 LTS


Xulrunner based applications could be made to crash or run programs as your
login if they opened a specially crafted file.

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


USN-1367-1 fixed vulnerabilities in libpng. This provides the corresponding
update for Xulrunner.

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 10.10:

Ubuntu 10.04 LTS:

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

  CVE-2011-3026, https://launchpad.net/bugs/934073

Package Information: