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=========================================================== Ubuntu Security Notice USN-468-1 June 01, 2007 firefox vulnerabilities CVE-2007-1362, CVE-2007-2867, CVE-2007-2868, CVE-2007-2869, CVE-2007-2870, CVE-2007-2871 =========================================================== A security issue affects the following Ubuntu releases: Ubuntu 6.06 LTS Ubuntu 6.10 Ubuntu 7.04 This advisory also applies to the corresponding versions of Kubuntu, Edubuntu, and Xubuntu. The problem can be corrected by upgrading your system to the following package versions: Ubuntu 6.06 LTS: firefox 1.5.dfsg+1.5.0.12-0ubuntu0.6.06.1 Ubuntu 6.10: firefox 2.0.0.4+0dfsg-0ubuntu0.6.10 Ubuntu 7.04: firefox 2.0.0.4+1-0ubuntu1 After a standard system upgrade you need to restart Firefox to effect the necessary changes. Details follow: 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)