MyLittleForum 2.3.6.1 CSS privileges management

Summaryinfo

A vulnerability classified as problematic was found in MyLittleForum 2.3.6.1. Affected by this issue is some unknown functionality of the component CSS Handler. Executing a manipulation can lead to privileges management. The attack may be performed from remote. In addition, an exploit is available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in MyLittleForum 2.3.6.1 (Forum Software). It has been declared as problematic. This vulnerability affects an unknown function of the component CSS Handler. The manipulation with an unknown input leads to a privileges management vulnerability. The CWE definition for the vulnerability is CWE-269. The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor. As an impact it is known to affect integrity.

The weakness was presented 11/17/2016 by Tim Coen with Curesec Research Team as MyLittleForum 2.3.6.1: XSS & RPO as confirmed mailinglist post (Full-Disclosure). The advisory is shared for download at seclists.org. The public release was coordinated in cooperation with the vendor. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Technical details are unknown but a public exploit is available. The MITRE ATT&CK project declares the attack technique as T1068. The advisory points out:

Because the application includes CSS files relative instead of absolute, an attacker can overwrite the path. With some browsers, this may lead to CSS injection.

A public exploit has been developed by Tim Coen and been published immediately after the advisory. It is possible to download the exploit at seclists.org. It is declared as proof-of-concept. The code used by the exploit is:

http://localhost/mylittleforum-2.3.6.1/index.php////?id=1

Upgrading to version 2.3.7beta eliminates this vulnerability. The upgrade is hosted for download at github.com. A possible mitigation has been published before and not just after the disclosure of the vulnerability.

Additional details are provided at curesec.com. See VDB-93687 for similar entry. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

• Forum Software

Name

• MyLittleForum

Version

• 2.3.6.1

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• 🔍

CPE 2.2info

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VulDB is the best source for vulnerability data and more expert information about this specific topic.

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