Technical Description

Multiple vulnerabilities have been identified in Mozilla Thunderbird, which could be exploited by attackers to cause a denial of service or take complete control of an affected system.

The first issue is caused by memory corruption errors in the browser and JavaScript engines when parsing malformed data, which could be exploited by attackers to crash a vulnerable application or execute arbitrary code.

The second vulnerability is caused by an error when handling "mailto:" URIs, which could be exploited to execute arbitrary commands.

Affected Products

Thunderbird version 1.5.0.13 and prior

Solution

Upgrade to Thunderbird version 1.5.0.14 :
http://www.mozilla.org/projects/thunderbird/

References

http://www.vupen.com/english/advisories/2007/4272
http://www.mozilla.org/security/announce/2007/mfsa2007-40.html
http://www.mozilla.org/security/announce/2007/mfsa2007-29.html

Credits

Vulnerabilities reported by L. David Baron, Boris Zbarsky, Georgi Guninski, Paul Nickerson, Olli Pettay, Jesse Ruderman, Vladimir Sukhoy, Daniel Veditz, Martijn Wargers, Igor Bukanov, Eli Friedman and Stephen Donner.

ChangeLog

2007-12-20 : Initial release

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