vBulletin up to 4.2.2 PL4/4.2.3 moderation.php postids sql injection

Summaryinfo

A vulnerability identified as critical has been detected in vBulletin up to 4.2.2 PL4/4.2.3. The affected element is an unknown function of the file forumrunner/includes/moderation.php. This manipulation of the argument postids causes sql injection. The identification of this vulnerability is CVE-2016-6195. It is possible to initiate the attack remotely. Furthermore, there is an exploit available. A worm is propagating and is automatically exploiting this vulnerability. It is suggested to install a patch to address this issue.

Detailsinfo

A vulnerability classified as critical was found in vBulletin up to 4.2.2 PL4/4.2.3 (Forum Software). Affected by this vulnerability is some unknown functionality of the file forumrunner/includes/moderation.php. The manipulation of the argument postids with an unknown input leads to a sql injection vulnerability. The CWE definition for the vulnerability is CWE-89. The product constructs all or part of an SQL command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended SQL command when it is sent to a downstream component. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

SQL injection vulnerability in forumrunner/includes/moderation.php in vBulletin before 4.2.2 Patch Level 5 and 4.2.3 before Patch Level 1 allows remote attackers to execute arbitrary SQL commands via the postids parameter to forumrunner/request.php, as exploited in the wild in July 2016.

The weakness was shared 08/30/2016 (Website). The advisory is shared at vbulletin.org. This vulnerability is known as CVE-2016-6195. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details and also a public exploit are known. MITRE ATT&CK project uses the attack technique T1505 for this issue.

It is possible to download the exploit at exploit-db.com. It is declared as attacked. A worm is spreading, which is automatically exploiting this vulnerability. By approaching the search of inurl:forumrunner/includes/moderation.php it is possible to find vulnerable targets with Google Hacking. The commercial vulnerability scanner Qualys is able to test this issue with plugin 11672 (vBulletin ForumRunner SQL Injection Vulnerability).

Applying the patch 4.2.2 PL5/4.2.3 PL1 is able to eliminate this problem.

The vulnerability is also documented in the databases at Exploit-DB (40751) and SecurityFocus (BID 92687†). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

• Forum Software

Name

• vBulletin

Version

• 4.2.0
• 4.2.1
• 4.2.2
• 4.2.2 PL4
• 4.2.3

License

• commercial

CPE 2.3info

• 🔍
• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍
• 🔍

Video

CVSSv4info

CVSSv3info

CVSSv2info

Exploitinginfo

Threat Intelligenceinfo

Countermeasuresinfo

Timelineinfo

Sourcesinfo

Entryinfo

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Discussion