Title: PHPBB 'bb_memberlist.php' Remote SQL Query Manipulation Vulnerability
Severity: HIGH
Description:
phpBB is free, open-source forums software that is written in PHP and backended by MySQL.
A vulnerability exists in phpBB which makes it possible for a malicious user to remotely manipulate the logic of SQL queries.
The following is an excerpt of the vulnerable code:
---
switch($sortby) {
case '':
[...]
case 'posts':
[...]
}
$sql = "SELECT * FROM users WHERE [...] ORDER BY $sortby";
---
This issue is caused by a missing "default:" label in a 'switch' block in 'bb_memberlist.php'. As a result, it may be possible to view, delete or modify data in the MySQL database.
Affected Products:
- phpBB Group phpBB 1.4.2
References:
- phpBB: phpBB Homepage
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