Ubuntu Update for Linux kernel vulnerabilities USN-536-1

Please Install the Updated Packages.

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-2007-5339, CVE-2007-5340) 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) 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 Thunderbird 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) 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 Thunderbird 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) Please note that JavaScript is disabled by default for emails, and it is not recommended to enable it.

mozilla-thunderbird, thunderbird vulnerabilities on Ubuntu 6.06 LTS , Ubuntu 6.10 , Ubuntu 7.04 , Ubuntu 7.10

• https://lists.ubuntu.com/archives/ubuntu-security-announce/2007-October/000615.html

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Updated on 2015-03-25