Ubuntu Update for firefox vulnerabilities USN-490-1

Ubuntu Update for Linux kernel vulnerabilities USN-490-1

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-2007-3734, CVE-2007-3735) Flaws were discovered in the JavaScript methods addEventListener and setTimeout which could be used to inject script into another site in violation of the browser's same-origin policy. A malicious web site could exploit this to modify the contents, or steal confidential data (such as passwords), of other web pages. (CVE-2007-3736) Ronen Zilberman and Michal Zalewski discovered timing attacks in the JavaScript engine's use of about:blank frames. A malicious web site could exploit this to modify the contents, or steal confidential data (such as passwords), of other web pages. (CVE-2007-3089) A flaw was discovered in the JavaScript event handling code. By tricking a user into opening a malicious web page, an attacker could execute arbitrary code with the user's privileges. (CVE-2007-3737) Ronald van den Heetkamp discovered that filename URLs including an encoded null byte could confuse the extension matching code. By tricking a user into opening a malicious web page, an attacker could execute arbitrary helper programs. (CVE-2007-3285) Michal Zalewski discovered flaws in the same-origin handling of cached &quot <A HREF='wyciwyg://&quot '>wyciwyg://&quot </A> documents. A malicious web site could exploit this to modify the contents, or steal confidential data (such as passwords), of other web pages. (CVE-2007-3656) Various flaws were discovered in the XPCNativeWrapper method. By tricking a user into opening a malicious web page, an attacker could execute arbitrary code with the user's privileges. (CVE-2007-3738).

firefox vulnerabilities on Ubuntu 6.06 LTS , Ubuntu 6.10 , Ubuntu 7.04

Please Install the Updated Packages.