ASPBB Input Validation Flaw in 'perform_search.asp' Permits Cross-Site Scripting Attacks
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SecurityTracker Alert ID: 1016169
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SecurityTracker URL: http://securitytracker.com/id?1016169
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CVE Reference: GENERIC-MAP-NOMATCH
(Links to External Site)
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Date: May 29 2006
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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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Exploit Included: Yes
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Version(s): 0.5.2 and prior versions
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Description: A vulnerability was reported in ASPBB. A remote user can conduct cross-site scripting attacks.
The 'perform_search.asp' script does not properly filter HTML code from user-supplied input in the 'search' parameter before displaying
the input. A remote user can create a specially crafted URL 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 ASPBB 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.
A demonstration exploit URL is provided:
http://[target]/perform_search.asp?search="><script>alert('X');</script>
The vendor was notified on May 27, 2006.
Mustafa Can Bjorn "nukedx a.k.a nuker" IPEKCI reported this vulnerability.
The original
advisory is available at:
http://www.nukedx.com/?viewdoc=32
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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
ASPBB 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: No solution was available at the time of this entry.
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Vendor URL: www.aspbb.org/ (Links to External Site)
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Cause: Input validation error
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Underlying OS: Windows (Any)
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Reported By: Mustafa Can Bjorn IPEKCI <nukedx@nukedx.com>
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Message History:
None.
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Source Message Contents
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Date: Sun, 28 May 2006 16:51:58 +0300
From: Mustafa Can Bjorn IPEKCI <nukedx@nukedx.com>
Subject: [Full-disclosure] Advisory: ASPBB <= 0.52 (perform_search.asp) XSS
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--Security Report--
Advisory: ASPBB <= 0.52 (perform_search.asp) XSS vulnerability
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Author: Mustafa Can Bjorn "nukedx a.k.a nuker" IPEKCI
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Date: 27/05/06 04:26 PM
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Contacts:{
ICQ: 10072
MSN/Email: nukedx@nukedx.com
Web: http://www.nukedx.com
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Vendor: ASPBB (www.aspbb.org)
Version: 0.52 and prior versions must be affected.
About: Via this method remote attacker can make malicious links for
clicking and
when victim clicks this links victim's browser would be inject with XSS.
Level: Harmless
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How&Example:
GET -> http://[site]/perform_search.asp?search=">[XSS]
EXAMPLE ->
http://[site]/perform_search.asp?search="><script>alert('X');</script>
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Timeline:
* 27/05/2006: Vulnerability found.
* 27/05/2006: Contacted with vendor and waiting reply.
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Original advisory can be found at: http://www.nukedx.com/?viewdoc=32
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