A vulnerability has been found in Malwarebytes Anti-Malware 3.3.1.2183 (Anti-Malware Software) and classified as critical. This vulnerability affects an unknown part in the library FARFLT.SYS of the component Driver. The manipulation with an unknown input leads to a input validation vulnerability. The CWE definition for the vulnerability is CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

In Malwarebytes Premium 3.3.1.2183, the driver file (FARFLT.SYS) allows local users to cause a denial of service (BSOD) or possibly have unspecified other impact because of not validating input values from IOCtl 0x9c40e018.

The bug was discovered 01/07/2018. The weakness was presented 01/08/2018 (Website). The advisory is available at github.com. This vulnerability was named CVE-2018-5276 since 01/07/2018. Local access is required to approach this attack. A single authentication is necessary for exploitation. Technical details are known, but there is no available exploit.

The vulnerability was handled as a non-public zero-day exploit for at least 1 days. During that time the estimated underground price was around $0-$5k. The real existence of this vulnerability is still doubted at the moment.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Productinfo

Type

• Anti-Malware Software

Vendor

• Malwarebytes

Name

• Anti-Malware

Version

• 3.3.1.2183

CPE 2.3info

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CPE 2.2info

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