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adv07-chaoscount.txt

adv07-chaoscount.txt
Posted Aug 17, 2006
Authored by Tamriel

CounterChaos versions 0.48c and below suffer from a SQL injection vulnerability.

tags | advisory, sql injection
SHA-256 | 7d22c6f0743733ece01d752fb837aec0ec18480e46924e68f4564af01f6cfba0

adv07-chaoscount.txt

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      Advisory: CounterChaos <= 0.48c SQL Injection Vulnerability
Release Date: 2006/08/04
Last Modified: 2006/08/03
Author: Tamriel [tamriel at gmx dot net]
Application: CounterChaos <= 0.48c
Risk: Moderate
Vendor Status: not contacted
Vendor Site: www.chaossoft.de


Overview:

Quote from www.chaossoft.de:

"CounterChaos ist ein flexibler Onlinecounter fuer Ihre Homepage.
Er ist klein und kompakt in PHP geschrieben und benutzt eine
mySQL-Datenbank, um die Daten abzuspeichern."


Details:

SQL Injection Vulnerabilities in counterchaos.php
(arround line 35-45)

...

$referer= $_SERVER["HTTP_REFERER"];
$referer=strtolower($referer);

...

// Ohne www auch nicht gefunden => im Original speichern
mysql_query("INSERT INTO $tabellerefi SET monat='$akt_monat', jahr='$akt_jahr',
refi='$referer', treffer='1'") or die(mysql_error());
}

...

Here an attacker can fake his http referer and so inject his own
sql queries (magic quotes must be off).


Solution:

Take a view on PHP's ysql_real_escape_string function.

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