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>> Mozilla Products Client-Side Code Execution and Security Bypass Vulnerabilities
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Multiple vulnerabilities have been identified in Mozilla Firefox, SeaMonkey, and Thunderbird, which could be exploited by attackers to take complete control of an affected system or bypass security restrictions.
The first issue is due to a memory corruption error in the layout engine, which could be exploited by malicious people to cause a denial of service or execute arbitrary commands.
The second flaw is due to a memory corruption error in "XML.prototype.hasOwnProperty", which could be exploited by remote attackers to compromise a vulnerable system.
The third vulnerability is due to a memory corruption error in the JavaScript engine when processing malformed data, which could be exploited by attackers to crash a vulnerable application or execute arbitrary commands.
The fourth issue is due to an error when validating certain RSA digital signatures. This is a variant of VUPEN/ADV-2006-3622
The fifth vulnerability is due to an error where certain Script objects could be modified during execution, which could be exploited by attackers to execute arbitrary JavaScript bytecode.
Affected Products
Mozilla Firefox version 1.5.0.7 and prior
Mozilla Thunderbird version 1.5.0.7 and prior
Mozilla SeaMonkey version 1.0.5 and prior
Solution
Upgrade to Firefox 1.5.0.8, Thunderbird 1.5.0.8, and SeaMonkey 1.0.6 :
http://www.mozilla.org/products/
References
http://www.vupen.com/english/advisories/2006/4387
http://www.mozilla.org/security/announce/2006/mfsa2006-65.html
http://www.mozilla.org/security/announce/2006/mfsa2006-66.html
http://www.mozilla.org/security/announce/2006/mfsa2006-67.html
Credits
Vulnerabilities reported by Jesse Ruderman, Martijn Wargers, shutdown, Igor Bukanov, Jesse Ruderman, and Ulrich Kuehn.
ChangeLog
2006-11-07 : Initial release
Vulnerability Management
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