427BB login.php and getvars.php security bypass
| 427bb-scripts-security-bypass (24038) |  Medium Risk |
Description:
427BB could allow a remote attacker to bypass user authentication. The login.php and getvars.php scripts fail to validate the password cookie value when authenticating a user. This could allow a remote attacker to provide a modified username, authenticated, and usertype cookie value to gain unauthorized access to the forum.
Platforms Affected:
- 427BB, 427BB 2.2
- 427BB, 427BB 2.2.1
Remedy:
Upgrade to the latest version of 427BB (2.3.1 or later), available from the 427BB Web site. See References.
Consequences:
Gain Access
References:
- eVuln Advisory EV0018, 427BB Multiple Vulnerabilities (Cookie-based Authentication Bypass, SQL Injections, XSS) at http://evuln.com/vulns/18/summary.html.
- SourceForge.net, SourceForge.net: Project Info - 427BB at http://sourceforge.net/projects/fourtwosevenbb/.
- BID-16178: 427BB Authentication Bypass Vulnerability
- CVE-2006-0153: 427BB 2.2 and 2.2.1 verifies authentication credentials based on the username, authenticated, and usertype cookies, which allows remote attackers to bypass authentication by using a valid username and usertype and setting the authenticated cookie.
- SA18354: 427BB Multiple Vulnerabilities
- VUPEN/ADV-2006-0091: 427BB Multiple SQL Injection and Cross Site Scripting Vulnerabilities
Reported:
Jan 07, 2006
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