CoMoblog Lack of Input Validation in 'img.php' Permits Cross-Site Scripting
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SecurityTracker Alert ID: 1015824
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SecurityTracker URL: http://securitytracker.com/id?1015824
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CVE Reference: GENERIC-MAP-NOMATCH
(Links to External Site)
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Date: Mar 24 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): 1.1
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Description: A vulnerability was reported in CoMoblog. A remote user can conduct cross-site scripting attacks.
The 'img.php' script does not properly filter HTML code from user-supplied input in the 'i' 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 CoMoblog 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 of the following format:
http://[target]/path/img.php?i=[CODE]
The
original advisory is available at:
http://www.kapda.ir/advisory-301.html
FarhadKey of KAPDA discovered this vulnerability.
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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
CoMoblog 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: comoblog.serialmonkey.com/comoblog/ (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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Reported By: farhadkey@kapda.ir
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Message History:
None.
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Source Message Contents
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Date: 23 Mar 2006 10:26:37 -0000
From: farhadkey@kapda.ir
Subject: [KAPDA::#37] - CoMoblog XSS
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[KAPDA::#37] - CoMoblog XSS
KAPDA New advisory
CoMoblog XSS
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Bug:
http://victim/path/img.php?i=[CODE]
Vendor:
http://www.easymoblog.org/
Vulnerable:
CoMoblog 1.1
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Orginal Advisory :
http://www.kapda.ir/advisory-301.html
Credit :
FarhadKey {AT} kapda [d0t] ir
KAPDA - Security Science Researchers Institute
http://www.kapda.ir
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