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phpBB phpbb-Auction Module SQL Injection and File Inclusion
Secunia Advisory: SA19944
Release Date: 2006-05-03
Last Update: 2007-03-14
Popularity: 6,381 views

Critical:
Highly critical
Impact: Manipulation of data
System access
Where: From remote
Solution Status: Unpatched

Software:phpbb-Auction 1.x (module for phpBB)

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CVE reference:CVE-2006-2245
CVE-2006-7090
CVE-2006-7100
CVE-2006-7147


Description:
Some vulnerabilities have been discovered in the phpbb-Auction module for phpBB, which can be exploited by malicious people to conduct SQL injection attacks or to compromise a vulnerable system.

1) Input passed to the "phpbb_root_path" parameter in "auction/auction_common.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.

Successful exploitation requires that "register_globals" is enabled.

2) Input passed to the "ar" parameter in auction_room.php, and to the "u" parameter in auction_rating.php and auction_store.php is not properly sanitised before being used in SQL queries. This can be exploited to manipulate SQL queries by injecting arbitrary SQL code.

The vulnerabilities have been confirmed in version 1.3m. Other versions may also be affected.

Solution:
Edit the source code to ensure that input is properly verified and sanitised.

Provided and/or discovered by:
1) VietMafia
2) l2odon

Changelog:
2006-07-20: Added CVE reference.
2006-07-27: Added additional vulnerabilities provided by l2odon.
2007-03-02: Added CVE reference.
2007-03-06: Added CVE reference.
2007-03-14: Added CVE reference.

Original Advisory:
1) http://pridels.blogspot.com/2006/05/phpbb-auction-mod-remote-file.html
2) http://www.aria-security.net/advisory/phpauction.txt


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