Signature Detail

HTTP: Malwarebytes Anti-Malware URI Handler Remote Code Execution

This signature detects attempts to exploit a known vulnerability against Malwarebytes Anti-Malware. The vulnerability is due to improper sanitization of user-supplied data which may be passed to the application as an option regarding the DLL loading path. A remote attacker could exploit the vulnerability by enticing a user to open a malicious web page. Successful exploitation could result in code execution on the target machine in the context of the application.

Extended Description

This vulnerability allows remote attackers to execute arbitrary code on vulnerable installations of Malwarebytes Antimalware 3.6.1.2711. User interaction is required to exploit this vulnerability in that the target must visit a malicious web page. There is an issue with the way the product handles URIs within certain schemes. The product does not warn the user that a dangerous navigation is about to take place. Because special characters in the URI are not sanitized, this could lead to the execution of arbitrary commands. An attacker can leverage this vulnerability to execute code in the context of the current user at medium integrity. Was ZDI-CAN-7162.

Affected Products

• Malwarebytes antimalware 3.6.1.2711

References

• CVE: CVE-2019-6739