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phpBB Activity Mod Plus Module "phpbb_root_path" File Inclusion
Secunia Advisory: SA20354
Release Date: 2006-05-30
Last Update: 2006-06-07
Popularity: 7,023 views

Critical:
Highly critical
Impact: System access
Where: From remote
Solution Status: Vendor Workaround

Software:Activity Mod Plus 1.x (module for phpBB)

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CVE reference:CVE-2006-2735


Description:
Mustafa Can Bjorn has reported a vulnerability in the Activity Mod Plus module for phpBB, which can be exploited by malicious people to compromise a vulnerable system.

Input passed to the "phpbb_root_path" parameter in "language/lang_english/lang_activity.php" isn't properly verified, before it is used to include files. This can be exploited to include arbitrary files from external and local resources.

The "lang_activity_char.php" script is reportedly also affected.

Successful exploitation requires that "register_globals" is enabled.

Solution:
Apply code changes as instructed by the vendor.
http://www.phpbb-amod.com/topics.html-t-2423

Provided and/or discovered by:
Mustafa Can Bjorn

Changelog:
2006-06-07: Added CVE reference.

Original Advisory:
http://www.nukedx.com/?viewdoc=38


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