Ubuntu Update for Linux kernel vulnerabilities USN-921-1

Please Install the Updated Packages.

Martijn Wargers, Josh Soref, Jesse Ruderman, and Ehsan Akhgari discovered flaws in the browser engine of Firefox. 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-2010-0173, CVE-2010-0174) It was discovered that Firefox could be made to access previously freed memory. 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-2010-0175, CVE-2010-0176, CVE-2010-0177) Paul Stone discovered that Firefox could be made to change a mouse click into a drag and drop event. If the user could be tricked into performing this action twice on a crafted website, an attacker could execute arbitrary JavaScript with chrome privileges. (CVE-2010-0178) It was discovered that the XMLHttpRequestSpy module as used by the Firebug add-on could be used to escalate privileges within the browser. If the user had the Firebug add-on installed and were tricked into viewing a malicious website, an attacker could potentially run arbitrary JavaScript. (CVE-2010-0179) Henry Sudhof discovered that an image tag could be used as a redirect to a mailto: URL to launch an external mail handler. (CVE-2010-0181) Wladimir Palant discovered that Firefox did not always perform security checks on XML content. An attacker could exploit this to bypass security policies to load certain resources. (CVE-2010-0182)

Firefox 3.5 and Xulrunner vulnerabilities on Ubuntu 9.10