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Fedora Core 3: 2005-604 Critical: Mozilla Thunderbird Email Exploit

Fix various security related bugs.. ---------------------------------------------------------------------Fedora Update Notification FEDORA-2005-604 2005-07-20 ---------------------------------------------------------------------Product : Fedora Core 3 Name : thunderbird Version : 1.0.6 Release : 1.1.fc3 Summary : Mozilla Thunderbird mail/newsgroup client Description : Mozilla Thunderbird is a standalone mail and newsgroup client. ---------------------------------------------------------------------Update Information: Mozilla Thunderbird is a standalone mail and newsgroup client. A bug was found in the way Thunderbird handled anonymous functions during regular expression string replacement. It is possible for a malicious HTML mail to capture a random block of client memory. The Common Vulnerabilities and Exposures project has assigned this bug the name CAN-2005-0989. A bug was found in the way Thunderbird validated several XPInstall related JavaScript objects. A malicious HTML mail could pass other objects to the XPInstall objects, resulting in the JavaScript interpreter jumping to arbitrary locations in memory. (CAN-2005-1159) A bug was found in the way the Thunderbird privileged UI code handled DOM nodes from the content window. An HTML message could install malicious JavaScript code or steal data when a user performs commonplace actions such as clicking a link or opening the context menu. (CAN-2005-1160) A bug was found in the way Thunderbird executed JavaScript code. JavaScript executed from HTML mail should run with a restricted access level, preventing dangerous actions. It is possible that a malicious HTML mail could execute JavaScript code with elevated privileges, allowing access to protected data and functions. (CAN-2005-1532) A bug was found in the way Thunderbird executed Javascript in XBL controls. It is possible for a malicious HTML mail to leverage this vulnerability to execute otherJavaScript based attacks even when JavaScript is disabled. (CAN-2005-2261) A bug was found in the way Thunderbird handled certain Javascript functions. It is possible for a malicious HTML mail to crash the client by executing malformed Javascript code. (CAN-2005-2265) A bug was found in the way Thunderbird handled child frames. It is possible for a malicious framed HTML mail to steal sensitive information from its parent frame. (CAN-2005-2266) A bug was found in the way Thunderbird handled DOM node names. It is possible for a malicious HTML mail to overwrite a DOM node name, allowing certain privileged chrome actions to execute the malicious JavaScript. (CAN-2005-2269) A bug was found in the way Thunderbird cloned base objects. It is possible for HTML content to navigate up the prototype chain to gain access to privileged chrome objects. (CAN-2005-2270) Users of Thunderbird are advised to upgrade to this updated package that contains Thunderbird version 1.0.6 and is not vulnerable to these issues. ---------------------------------------------------------------------* Wed Jul 20 2005 Christopher Aillon 1.0.6-1.1.fc3 - Update to 1.0.6 * Mon Jul 18 2005 Christopher Aillon 1.0.6-0.1.fc3 - 1.0.6 Release Candidate ---------------------------------------------------------------------This update can be downloaded from: e060dd6ce427541531cc40c28a678643 SRPMS/thunderbird-1.0.6-1.1.fc3.src.rpm 617b9df6931ff067e896d29399849df0 x86_64/thunderbird-1.0.6-1.1.fc3.x86_64.rpm 8bcb33b02ad164e499e4109dc6909caa x86_64/debug/thunderbird-debuginfo-1.0.6-1.1.fc3.x86_64.rpm 2781375f4ff5c6280692d573787f5064 i386/thunderbird-1.0.6-1.1.fc3.i386.rpm 774d64ba857b9c430c3ae87471bc68f6 i386/debug/thunderbird-debuginfo-1.0.6-1.1.fc3.i386.rpm This update can also be installed with the Update Agent; you can launch the Update Agent with the 'up2date' command. -----------------------------------------------------------------------fedora-announce-list mailinglist This email address is being protected from spambots. You need JavaScript enabled to view it. . Resolving several issues in Thunderbird on Fedora Core 3, bolstering email security to defend against diverse threats.. Thunderbird Update, Email Security Fixes, JavaScript Exploits. . Severity: Critical. LinuxSecurity.com Team

Jul 20, 2005 •Critical Fedora