SquirrelMail Input Validation Holes in HTML Filter Permit Cross-Site Scripting Attacks
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SecurityTracker Alert ID: 1018033
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SecurityTracker URL: http://securitytracker.com/id?1018033
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CVE Reference: CVE-2007-1262
, CVE-2007-2589
(Links to External Site)
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Updated: May 17 2007
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Original Entry Date: May 10 2007
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Impact: Disclosure of authentication information, Disclosure of user information, Execution of arbitrary code via network, Modification of user information
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Fix Available: Yes
Vendor Confirmed: Yes
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Version(s): 1.4.0 - 1.4.9a
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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.
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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.
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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
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Vendor URL: www.squirrelmail.org/security/issue/2007-05-09 (Links to External Site)
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Cause: Input validation error
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Underlying OS: Linux (Any), UNIX (Any), Windows (Any)
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Message History:
This archive entry has one or more follow-up message(s) listed below.
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Source Message Contents
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Date: Wed, 9 May 2007 22:37:26 -0400
Subject: SquirrelMail
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http://www.squirrelmail.org/security/issue/2007-05-09
CVE-2007-1262
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