A vulnerability was found in Malwarebytes Anti-Malware up to 2.2.1 (Anti-Malware Software). It has been rated as critical. Affected by this issue is some unknown processing of the file %SYSTEMDRIVE%\ProgramData\exclusions.dat. The manipulation with an unknown input leads to a 7pk security vulnerability. Using CWE to declare the problem leads to CWE-254. Impacted is confidentiality, integrity, and availability. CVE summarizes:

A vulnerability in the encryption and permission implementation of Malwarebytes Anti-Malware consumer version 2.2.1 and prior (fixed in 3.0.4) allows an attacker to take control of the whitelisting feature (exclusions.dat under %SYSTEMDRIVE%\ProgramData) to permit execution of unauthorized applications including malware and malicious websites. Files blacklisted by Malwarebytes Malware Protect can be executed, and domains blacklisted by Malwarebytes Web Protect can be reached through HTTP.

The bug was discovered 03/21/2018. The weakness was presented 03/21/2018 (Website). The advisory is shared for download at securitytube.net. This vulnerability is handled as CVE-2016-10717 since 03/21/2018. The exploitation is known to be easy. The attack needs to be approached locally. No form of authentication is required for exploitation. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1211.

Upgrading to version 3.0.4 eliminates this vulnerability.

Productinfo

Type

• Anti-Malware Software

Vendor

• Malwarebytes

Name

• Anti-Malware

Version

• 2.2.0
• 2.2.1

CPE 2.3info

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CPE 2.2info

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