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Category:   Application (E-mail Server)  >   SquirrelMail Vendors:   SquirrelMail Development Team
SquirrelMail Input Validation Holes in HTML Filter Permit Cross-Site Scripting Attacks
SecurityTracker Alert ID:  1018033
SecurityTracker URL:  http://securitytracker.com/id/1018033
CVE Reference:   CVE-2007-1262, CVE-2007-2589   (Links to External Site)
Updated:  May 17 2007
Original Entry Date:  May 10 2007
Impact:   Disclosure of authentication information, Disclosure of user information, Execution of arbitrary code via network, Modification of user information
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 1.4.0 - 1.4.9a
Description:   A vulnerability was reported in SquirrelMail. A remote user can conduct cross-site scripting attacks.

The HTML filter does not properly filter HTML code from user-supplied e-mail before displaying the e-mail. A remote user can send a specially crafted e-mail that, when loaded by a target user, will cause arbitrary scripting code to be executed by the target user's browser. The code will originate from the site running the SquirrelMail software and will run in the security context of that site. As a result, the code will be able to access the target user's cookies (including authentication cookies), if any, associated with the site, access data recently submitted by the target user via web form to the site, or take actions on the site acting as the target user.

Certain 'data:' URLs, character sets, and image tags can be used to exploit these vulnerabilities.

The vendor credits Mikhail Markin, Tomas Kuliavas, and Michael Jordon with reporting these vulnerabilities.

Impact:   A remote user can access the target user's cookies (including authentication cookies), if any, associated with the site running the SquirrelMail software, access data recently submitted by the target user via web form to the site, or take actions on the site acting as the target user.
Solution:   The vendor has issued a patch, available at:

http://www.squirrelmail.org/patches/1.4.10-security

The SquirrelMail advisory is available at:

http://www.squirrelmail.org/security/issue/2007-05-09

Vendor URL:  www.squirrelmail.org/security/issue/2007-05-09 (Links to External Site)
Cause:   Input validation error
Underlying OS:  Linux (Any), UNIX (Any), Windows (Any)

Message History:   This archive entry has one or more follow-up message(s) listed below.
May 17 2007 (Red Hat Issues Fix) SquirrelMail Input Validation Holes in HTML Filter Permit Cross-Site Scripting Attacks
Red Hat has released a fix Red Hat Enterprise Linux 3, 4, and 5.



 Source Message Contents



[Original Message Not Available for Viewing]


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