USN-468-1: Firefox vulnerabilities

1 June 2007

firefox vulnerabilities

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

  • Ubuntu 7.04
  • Ubuntu 6.10
  • Ubuntu 6.06 LTS

Software Description

Details

Various flaws were discovered in the layout and JavaScript engines. By tricking a user into opening a malicious web page, an attacker could execute arbitrary code with the user’s privileges. (CVE-2007-2867, CVE-2007-2868)

A flaw was discovered in the form autocomplete feature. By tricking a user into opening a malicious web page, an attacker could cause a persistent denial of service. (CVE-2007-2869)

Nicolas Derouet discovered flaws in cookie handling. By tricking a user into opening a malicious web page, an attacker could force the browser to consume large quantities of disk or memory while processing long cookie paths. (CVE-2007-1362)

A flaw was discovered in the same-origin policy handling of the addEventListener JavaScript method. A malicious web site could exploit this to modify the contents, or steal confidential data (such as passwords), of other web pages. (CVE-2007-2870)

Chris Thomas discovered a flaw in XUL popups. A malicious web site could exploit this to spoof or obscure portions of the browser UI, such as the location bar. (CVE-2007-2871)

Update instructions

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

Ubuntu 7.04
firefox - 2.0.0.4+1-0ubuntu1
Ubuntu 6.10
firefox - 2.0.0.4+0dfsg-0ubuntu0.6.10
Ubuntu 6.06 LTS
firefox - 1.5.dfsg+1.5.0.12-0ubuntu0.6.06.1

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

After a standard system upgrade you need to restart Firefox to effect the necessary changes.

References