Mozilla has released an updated version of Firefox browser. This new release covers 11 vulnerabilities that exposed users to code execution information stealing or denial of service attacks.
4 out of 11 vulnerabilities were considered critical.
The 4 critical vulnerabilities are as follows :
- MFSA 2008 53 XSS and JavaScript privilege escalation via session restore. The feature available with the Firefox browser of session restore has a flaw of violating the same origin policy and run JavaScript in another site. This vulnerability could also be used by an attacker to run arbitrary JavaScript with chrome privileges.
- MFSA 2008 55 Crash and remote code execution in nsFrame Manager. This vulnerability was a part of Mozilla’s DOM code which could be exploited by modifying properties of a file input element before it finishes initiating. An uninitialized memory is accessed by the browser which resulted in crash. The crash might be used by an attacker to run arbitrary code on the victim computer.
- MFSA 2008 52 crash with evidence of memory corruption. The developers of Mozilla identified and fixed many stability bugs in the browser engine used by Firefox and other Mozilla products. Some showed evidence of memory corruptions under certain circumstances
- MFSA 2008 54 buffer overflow in http index format parser. In this flaw Mozilla parsed the http index format MIME type. By sending a specially crafted 200 header line in the http index response an attacker can cause the browser to crash and also run arbitrary code in the victims computer.
All these critical 4 faults have been fixed along with the rest not so critical flaws.














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