BIG-IP ASM Input Validation Hole Permits Cross-Site Scripting Attacks
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SecurityTracker Alert ID: 1025750 |
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SecurityTracker URL: http://securitytracker.com/id/1025750
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CVE Reference:
GENERIC-MAP-NOMATCH
(Links to External Site)
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Date: Jul 6 2011
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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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Vendor Confirmed: Yes
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Version(s): ASM 10.1.0, 10.2.0, 10.2.1, 10.2.2
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Description:
A vulnerability was reported in BIG-IP ASM. A remote user can conduct cross-site scripting attacks.
The web scraping feature does not properly filter HTML code from user-supplied input before displaying the input when configured to Block in the ASM security policy. On a vulnerable web site, a remote user can cause arbitrary scripting code to be executed by the target user's browser. The code will originate from the target site 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.
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Impact:
A remote user can access the target user's cookies (including authentication cookies), if any, associated with a target vulnerable 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.
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Solution:
The vendor has described a workaround in their advisory.
The vendor plans to issue a fix in the upcoming version 10.2.2 HF1.
The vendor's advisory is available at:
http://support.f5.com/kb/en-us/solutions/public/12000/900/sol12953.html
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Vendor URL: support.f5.com/kb/en-us/solutions/public/12000/900/sol12953.html (Links to External Site)
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Cause:
Input validation error
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Underlying OS:
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Message History:
None.
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Source Message Contents
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Date: Wed, 06 Jul 2011 19:33:26 +0000
Subject: BIG-IP ASM
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http://support.f5.com/kb/en-us/solutions/public/12000/900/sol12953.html
sol12953: A Cross-Site Scripting (XSS) vulnerability exists in the BIG-IP ASM Web Scraping feature
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