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-2007-5336, CVE-2007-5339, CVE-2007-5340)
Michal Zalewski discovered that the onUnload event handlers were incorrectly able to access information outside the old page content. A malicious web site could exploit this to modify the contents, or steal confidential data (such as passwords), of the next loaded web page. (CVE-2007-1095)
22 October 2007
A security issue affects these releases of Ubuntu and its derivatives:
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-2007-5336, CVE-2007-5339, CVE-2007-5340)
Michal Zalewski discovered that the onUnload event handlers were incorrectly able to access information outside the old page content. A malicious web site could exploit this to modify the contents, or steal confidential data (such as passwords), of the next loaded web page. (CVE-2007-1095)
Stefano Di Paola discovered that Firefox did not correctly request Digest Authentications. A malicious web site could exploit this to inject arbitrary HTTP headers or perform session splitting attacks against proxies. (CVE-2007-2292)
Flaws were discovered in the file upload form control. By tricking a user into opening a malicious web page, an attacker could force arbitrary files from the user’s computer to be uploaded without their consent. (CVE-2006-2894, CVE-2007-3511)
Eli Friedman discovered that XUL could be used to hide a window’s titlebar. A malicious web site could exploit this to enhance their attempts at creating phishing web sites. (CVE-2007-5334)
Georgi Guninski discovered that Firefox would allow file-system based web pages to access additional files. By tricking a user into opening a malicious web page from a gnome-vfs location, an attacker could steal arbitrary files from the user’s computer. (CVE-2007-5337)
It was discovered that the XPCNativeWrappers were not safe in certain situations. By tricking a user into opening a malicious web page, an attacker could run arbitrary JavaScript with the user’s privileges. (CVE-2007-5338)
The problem can be corrected by updating your system to the following package versions:
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.