Max Secure Anti Virus 19.0.3.019 Driver MaxCryptMon.sys input validation

Summaryinfo

A vulnerability described as critical has been identified in Max Secure Anti Virus 19.0.3.019. Affected by this issue is some unknown functionality in the library MaxCryptMon.sys of the component Driver. Executing a manipulation can lead to input validation. This vulnerability is tracked as CVE-2018-6209. The attack is restricted to local execution. No exploit exists.

Detailsinfo

A vulnerability has been found in Max Secure Anti Virus 19.0.3.019 (Anti-Malware Software) and classified as critical. This vulnerability affects an unknown code block in the library MaxCryptMon.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 Max Secure Anti Virus 19.0.3.019,, the driver file (MaxCryptMon.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 0x220019.

The bug was discovered 01/24/2018. The weakness was disclosed 01/25/2018 (Website). The advisory is shared for download at github.com. This vulnerability was named CVE-2018-6209 since 01/24/2018. The exploitation appears to be easy. The attack needs to be approached locally. No form of authentication is required for a successful exploitation. There are known technical details, but no exploit is available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 12/27/2019).

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

The entries VDB-112431, VDB-112430, VDB-112428 and VDB-112429 are pretty similar. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

• Anti-Malware Software

Vendor

• Max Secure

Name

• Anti Virus

Version

• 19.0.3.019

CPE 2.3info

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CPE 2.2info

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Duplicate

• Submit #XXXXXX: Xxx Xxxxxx Xxxx Xxxxx Xxxx, Xxxxxxxxxxx.xxx, Xxx (by Zeze7w)

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