Ubuntu Update for Linux kernel vulnerabilities USN-1551-2

Please Install the Updated Packages.

USN-1551-1 fixed vulnerabilities in Thunderbird. The new package caused a regression in the message editor and certain performance regressions as well. This update fixes the problems. Original advisory details: Gary Kwong, Christian Holler, Jesse Ruderman, Steve Fink, Bob Clary, Andrew Sutherland, Jason Smith, John Schoenick, Vladimir Vukicevic and Daniel Holbert discovered memory safety issues affecting Thunderbird. If the user were tricked into opening a specially crafted E-Mail, an attacker could exploit these to cause a denial of service via application crash, or potentially execute code with the privileges of the user invoking Thunderbird. (CVE-2012-1970, CVE-2012-1971) Abhishek Arya discovered multiple use-after-free vulnerabilities. If the user were tricked into opening a specially crafted E-Mail, an attacker could exploit these to cause a denial of service via application crash, or potentially execute code with the privileges of the user invoking Thunderbird. (CVE-2012-1972, CVE-2012-1973, CVE-2012-1974, CVE-2012-1975, CVE-2012-1976, CVE-2012-3956, CVE-2012-3957, CVE-2012-3958, CVE-2012-3959, CVE-2012-3960, CVE-2012-3961, CVE-2012-3962, CVE-2012-3963, CVE-2012-3964) Mariusz Mlynsk discovered that it is possible to shadow the location object using Object.defineProperty. This could potentially result in a cross-site scripting (XSS) attack against plugins. With cross-site scripting vulnerabilities, if a user were tricked into viewing a specially crafted E-Mail, a remote attacker could exploit this to modify the contents or steal confidential data within the same domain. (CVE-2012-1956) Fr&#233 d&#233 ric Hoguin discovered that bitmap format images with a negative height could potentially result in memory corruption. If the user were tricked into opening a specially crafted image, an attacker could exploit this to cause a denial of service via application crash, or potentially execute code with the privileges of the user invoking Thunderbird. (CVE-2012-3966) It was discovered that Thunderbird's WebGL implementation was vulnerable to multiple memory safety issues. If the user were tricked into opening a specially crafted E-Mail, an attacker could exploit these to cause a denial of service via application crash, or potentially execute code with the privileges of the user invoking Thunderbird. (CVE-2012-3967, CVE-2012-3968) Arthur Gerkis discovered multiple memory safety issues in Thunderbird's Scalable Vector Graphics (SVG) implementation. ... Description truncated, for more information please check the Reference URL

thunderbird on Ubuntu 12.04 LTS , Ubuntu 11.10 , Ubuntu 11.04 , Ubuntu 10.04 LTS

• https://lists.ubuntu.com/archives/ubuntu-security-announce/2012-September/001845.html

---

Updated on 2015-03-25