Versions Affected: 3.8.6 (Only!)
Info: Content publishing, search, security, and more—vBulletin has it all. Whether it’s available features, support, or ease-of-use, vBulletin offers the most for your money. Learn more about what makes vBulletin the choice for people who are serious about creating thriving online communities.
External Links: http://www.vbulletin.com/
-:: The Advisory ::- vBulletin is prone to information disclosure of the entire database credentials used in config.php via the faq.php file.
By searching for "database" on a vulnerable installation of vBulletin an attacker is shown the information mentioned above.
-:: Solution ::- A patch is available from http://members.vbulletin.com
Alternatively, search for "database_ingo" in the Phrase Manager within the Admin Control Panel, and delete or edit all critical details.
Disclosure Information: - vBulletin Security Notice & Patch: 22nd July 2010 - Vulnerability Researched and Disclosed: 22nd July
Note: After searching the Internet a bit I discovered that I wasn't the only one which knew about this bug. Please note that I give full credit to the rightful finder / owner of this exploit.
References: http://forum.intern0t.net/exploits-vulnerabilities-pocs/2857-vbulletin-3-8-6-critical-information-disclosure.html http://www.vbulletin.com/forum/showthread.php?357818-Security-Patch-Release-3.8.6-PL1
All of the best, MaXe