Mozilla Thunderbird Multiple Vulnerabilities
Secunia Advisory: SA21939
Release Date: 2006-09-15
Popularity: 13,326 views

Critical:
Highly critical
Impact: Security Bypass
DoS
System access
Where: From remote
Solution Status: Vendor Patch

Software:Mozilla Thunderbird 0.x
Mozilla Thunderbird 1.0.x
Mozilla Thunderbird 1.5.x

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CVE reference:CVE-2006-4253
CVE-2006-4339
CVE-2006-4340
CVE-2006-4565
CVE-2006-4566
CVE-2006-4567
CVE-2006-4570
CVE-2006-4571


Description:
Some vulnerabilities have been reported in Mozilla Thunderbird, which can be exploited by malicious people to conduct man-in-the-middle attacks, bypass certain security restrictions, and potentially compromise a user's system.

The problem is that scripts in remote XBL files in e-mails can be executed even when JavaScript has been disabled (JavaScript is disabled by default). This can be exploited to cause JavaScript code to be executed whenever the HTML content of an e-mail is being viewed, forwarded, or replied to. This may also enable exploitation of vulnerabilities requiring JavaScript.

Successful exploitation requires that the "Load Images" setting is enabled.

Some other vulnerabilities have also been reported. For more information:
SA21903

And vulnerabilities #1, #2, #3, and #7 in:
SA21906

NOTE: Exploitation of some of the vulnerabilities requires that JavaScript is enabled.

Solution:
Update to version 1.5.0.7.
http://www.mozilla.com/thunderbird/

Provided and/or discovered by:
Georgi Guninski

Original Advisory:
http://www.mozilla.org/security/announce/2006/mfsa2006-63.html

Other References:
SA21903:
http://secunia.com/advisories/21903/

SA21906:
http://secunia.com/advisories/21906/


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