Ubuntu Update for Linux kernel vulnerabilities USN-978-2

Please Install the Updated Packages.

USN-978-1 fixed vulnerabilities in Thunderbird. Some users reported stability problems under certain circumstances. This update fixes the problem. We apologize for the inconvenience. Original advisory details: Several dangling pointer vulnerabilities were discovered in Thunderbird. An attacker could exploit this to crash Thunderbird or possibly run arbitrary code as the user invoking the program. (CVE-2010-2760, CVE-2010-2767, CVE-2010-3167) It was discovered that the XPCSafeJSObjectWrapper (SJOW) security wrapper did not always honor the same-origin policy. If JavaScript was enabled, an attacker could exploit this to run untrusted JavaScript from other domains. (CVE-2010-2763) Matt Haggard discovered that Thunderbird did not honor same-origin policy when processing the statusText property of an XMLHttpRequest object. If a user were tricked into viewing a malicious site, a remote attacker could use this to gather information about servers on internal private networks. (CVE-2010-2764) Chris Rohlf discovered an integer overflow when Thunderbird processed the HTML frameset element. If a user were tricked into viewing a malicious site, a remote attacker could use this to crash Thunderbird or possibly run arbitrary code as the user invoking the program. (CVE-2010-2765) Several issues were discovered in the browser engine. If a user were tricked into viewing a malicious site, a remote attacker could use this to crash Thunderbird or possibly run arbitrary code as the user invoking the program. (CVE-2010-2766, CVE-2010-3168) David Huang and Collin Jackson discovered that the &lt object&gt tag could override the charset of a framed HTML document in another origin. An attacker could utilize this to perform cross-site scripting attacks. (CVE-2010-2768) Paul Stone discovered that with designMode enabled an HTML selection containing JavaScript could be copied and pasted into a document and have the JavaScript execute within the context of the site where the code was dropped. If JavaScript was enabled, an attacker could utilize this to perform cross-site scripting attacks. (CVE-2010-2769) A buffer overflow was discovered in Thunderbird when processing text runs. If a user were tricked into viewing a malicious site, a remote attacker could use this to crash Thunderbird or possibly run arbitrary code as the user invoking the program. (CVE-2010-3166) Peter Van der Beken, Jason Oster, Jesse Ruderman, Igor Bukanov, Jeff Walden, Gary Kwong and Olli Pettay discovered several flaws i ... Description truncated, for more information please check the Reference URL

thunderbird regression on Ubuntu 10.04 LTS