USN-798-1: Firefox and Xulrunner vulnerabilities

22 July 2009

firefox-3.0, xulrunner-1.9 vulnerabilities

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

  • Ubuntu 9.04
  • Ubuntu 8.10
  • Ubuntu 8.04 LTS

Software Description

  • firefox-3.0
  • xulrunner-1.9

Details

Several flaws were discovered in the Firefox browser and JavaScript engines. If a user were tricked into viewing a malicious website, a remote attacker could cause a denial of service or possibly execute arbitrary code with the privileges of the user invoking the program. (CVE-2009-2462, CVE-2009-2463, CVE-2009-2464, CVE-2009-2465, CVE-2009-2466, CVE-2009-2469)

Attila Suszter discovered a flaw in the way Firefox processed Flash content. If a user were tricked into viewing and navigating within a specially crafted Flash object, a remote attacker could cause a denial of service or possibly execute arbitrary code with the privileges of the user invoking the program. (CVE-2009-2467)

It was discovered that Firefox did not properly handle some SVG content. An attacker could exploit this to cause a denial of service or possibly execute arbitrary code with the privileges of the user invoking the program. (CVE-2009-2469)

A flaw was discovered in the JavaScript engine. If a user were tricked into viewing a malicious website, an attacker could exploit this perform cross-site scripting attacks. (CVE-2009-2472)

Update instructions

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

Ubuntu 9.04
abrowser - 3.0.12+build1+nobinonly-0ubuntu0.9.04.1
firefox-3.0 - 3.0.12+build1+nobinonly-0ubuntu0.9.04.1
xulrunner-1.9 - 1.9.0.12+build1+nobinonly-0ubuntu0.9.04.1
Ubuntu 8.10
abrowser - 3.0.12+build1+nobinonly-0ubuntu0.8.10.1
firefox-3.0 - 3.0.12+build1+nobinonly-0ubuntu0.8.10.1
xulrunner-1.9 - 1.9.0.12+build1+nobinonly-0ubuntu0.8.10.2
Ubuntu 8.04 LTS
firefox-3.0 - 3.0.12+build1+nobinonly-0ubuntu0.8.04.1
xulrunner-1.9 - 1.9.0.12+build1+nobinonly-0ubuntu0.8.04.1

To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.

After a standard system upgrade you need to restart Firefox and any applications that use xulrunner, such as Epiphany, to effect the necessary changes.

References