SB2012081306 - Multiple vulnerabilities in MyBB

Description

This security bulletin contains information about 4 secuirty vulnerabilities.

1) SQL injection (CVE-ID: CVE-2012-2325)

The vulnerability allows a remote attacker to execute arbitrary SQL queries in database.

The vulnerability exists due to insufficient sanitization of user-supplied data. A remote attacker can send a specially crafted request to the affected application and execute arbitrary SQL commands within the application database.

Successful exploitation of this vulnerability may allow a remote attacker to read, delete, modify data in database and gain complete control over the affected application.

2) Cross-site scripting (CVE-ID: CVE-2012-2326)

Vulnerability allows a remote attacker to perform XSS attacks.

The vulnerability is caused by an input validation error in the Admin Control Panel (ACP) in MyBB (aka MyBulletinBoard) before 1.6.7 when processing a malformed file name in an orphaned attachment. A remote attacker can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in victim's browser in security context of vulnerable website.

Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.

3) Information disclosure (CVE-ID: CVE-2012-2327)

The vulnerability allows a remote non-authenticated attacker to gain access to sensitive information.

MyBB (aka MyBulletinBoard) before 1.6.7 allows remote attackers to obtain sensitive information via a malformed forumread cookie, which reveals the installation path in an error message.

4) SQL injection (CVE-ID: CVE-2012-2324)

The vulnerability allows a remote attacker to execute arbitrary SQL queries in database.

The vulnerability exists due to insufficient sanitization of user-supplied data. A remote attacker can send a specially crafted request to the affected application and execute arbitrary SQL commands within the application database.

Successful exploitation of this vulnerability may allow a remote attacker to read, delete, modify data in database and gain complete control over the affected application.

Remediation

Cybersecurity Help is not aware of any official remediation provided by the vendor.

References

• http://blog.mybb.com/2012/04/01/mybb-1-6-7-update-1-8-development/
• http://www.openwall.com/lists/oss-security/2012/05/07/13
• http://www.openwall.com/lists/oss-security/2012/05/07/14
• http://www.securityfocus.com/bid/53417