Technical Description

A vulnerability has been identified in Mozilla Thunderbird and SeaMonkey, which could be exploited by attackers to take complete control of an affected system. This issue is due to an integer overflow error when processing "text/enhanced" or "text/richtext" email messages containing an overly long string (more than 400 megabytes), which could be exploited by attackers to execute arbitrary commands by tricking a user into opening a specially crafted message.

Note : Email servers usually have storage quotas and transport filters that will prevent a message with an overly large size from reaching its destination.

Affected Products

Mozilla Thunderbird version 1.5.0.9 and prior
Mozilla SeaMonkey version 1.0.7 and prior

Solution

Upgrade to Thunderbird version 1.5.0.10 :
http://www.mozilla.com/thunderbird/

Upgrade to SeaMonkey version 1.0.8 :
http://www.mozilla.org/projects/seamonkey/

References

http://www.vupen.com/english/advisories/2007/0824
http://www.mozilla.org/security/announce/2007/mfsa2007-10.html

Credits

Vulnerability reported by Georgi Guninski

ChangeLog

2007-03-05 : Initial release

Vulnerability Management

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