Referenced CVEs:
CVE-2009-0040, CVE-2009-0771, CVE-2009-0772, CVE-2009-0773, CVE-2009-0774, CVE-2009-0775, CVE-2009-0776, CVE-2009-0777


Description:
=========================================================== Ubuntu Security Notice USN-728-1 March 05, 2009 firefox-3.0, xulrunner-1.9 vulnerabilities CVE-2009-0040, CVE-2009-0771, CVE-2009-0772, CVE-2009-0773, CVE-2009-0774, CVE-2009-0775, CVE-2009-0776, CVE-2009-0777 =========================================================== A security issue affects the following Ubuntu releases: Ubuntu 8.04 LTS Ubuntu 8.10 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 8.04 LTS: firefox-3.0 3.0.7+nobinonly-0ubuntu0.8.04.1 xulrunner-1.9 1.9.0.7+nobinonly-0ubuntu0.8.04.1 Ubuntu 8.10: abrowser 3.0.7+nobinonly-0ubuntu0.8.10.1 firefox-3.0 3.0.7+nobinonly-0ubuntu0.8.10.1 xulrunner-1.9 1.9.0.7+nobinonly-0ubuntu0.8.10.1 After a standard system upgrade you need to restart Firefox and any applications that use xulrunner, such as Epiphany, to effect the necessary changes. Details follow: Glenn Randers-Pehrson discovered that the embedded libpng in Firefox did not properly initialize pointers. If a user were tricked into viewing a malicious website with a crafted PNG file, a remote attacker could cause a denial of service or possibly execute arbitrary code with the privileges of the user invoking the program. (CVE-2009-0040) Martijn Wargers, Jesse Ruderman, Josh Soref, Gary Kwong, and Timothee Groleau discovered flaws in the browser engine. 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-2009-0771, CVE-2009-0772, CVE-2009-0773, CVE-2009-0774) A flaw was discovered in Firefox's garbage collection process. Under certain circumstances a remote attacker could exploit this to cause a denial of service or possibly execute arbitrary code with the privileges of the user invoking the program. (CVE-2009-0775) Georgi Guninski discovered a flaw when Firefox performed a cross-domain redirect. An attacker could bypass the same-origin policy in Firefox by utilizing nsIRDFService and steal private data from users authenticated to the redirected website. (CVE-2009-0776) Masahiro Yamada discovered that Firefox did not display control characters in the location bar. An attacker could exploit this to spoof the location bar, such as in a phishing attack. (CVE-2009-0777)





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