Fahlstad WP-Forum up to 2.2 wpf.class.php remove_topic ID sql injection

Summaryinfo

A vulnerability has been found in Fahlstad WP-Forum up to 2.2 and classified as critical. Affected is the function remove_topic of the file wpf.class.php. The manipulation of the argument ID leads to sql injection. This vulnerability is referenced as CVE-2009-3703. Remote exploitation of the attack is possible. Furthermore, an exploit is available. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in Fahlstad WP-Forum up to 2.2 (Forum Software) and classified as critical. This issue affects the function remove_topic of the file wpf.class.php. The manipulation of the argument id with an unknown input leads to a sql injection vulnerability. Using CWE to declare the problem leads to 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. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Multiple SQL injection vulnerabilities in the WP-Forum plugin before 2.4 for WordPress allow remote attackers to execute arbitrary SQL commands via (1) the search_max parameter in a search action to the default URI, related to wpf.class.php; (2) the forum parameter to an unspecified component, related to wpf.class.php; (3) the topic parameter in a viewforum action to the default URI, related to the remove_topic function in wpf.class.php; or the id parameter in a (4) editpost or (5) viewtopic action to the default URI, related to wpf-post.php.

The weakness was published 12/18/2009 by Juan Galiana Lara (Website). It is possible to read the advisory at securityfocus.com. The identification of this vulnerability is CVE-2009-3703 since 10/15/2009. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details as well as a public exploit are known. The attack technique deployed by this issue is T1505 according to MITRE ATT&CK.

A public exploit has been developed in Python. The exploit is available at securityfocus.com. It is declared as proof-of-concept. By approaching the search of inurl:wpf.class.php it is possible to find vulnerable targets with Google Hacking.

Upgrading to version 1.7.4 eliminates this vulnerability.

The vulnerability is also documented in the databases at Exploit-DB (10488) and SecurityFocus (BID 37357†). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

• Forum Software

Vendor

• Fahlstad

Name

• WP-Forum

Version

• 1.5
• 1.6
• 1.7
• 1.7.3
• 1.7.4
• 1.7.8
• 1.8
• 2.0
• 2.1
• 2.2

CPE 2.3info

• 🔍
• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍
• 🔍

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Be aware that VulDB is the high quality source for vulnerability data.

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