PT-2018-17413 · Max Secure · Max Secure Anti Virus

Published 2018-01-25 · Updated 2018-02-07 · CVE-2018-6209

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions Max Secure Anti Virus version 19.0.3.019

Description The issue concerns the driver file MaxCryptMon.sys, which does not validate input values from IOCtl 0x220019, allowing local users to cause a denial of service (BSOD) or possibly have other unspecified impacts.

Recommendations For Max Secure Anti Virus version 19.0.3.019, consider disabling the MaxCryptMon.sys driver file as a temporary workaround until a patch is available. Restrict access to the IOCtl 0x220019 to minimize the risk of exploitation. At the moment, there is no information about a newer version that contains a fix for this issue.

Exploit

Fix

RCE

Weakness Enumeration

CWE-20

Related Identifiers

CVE-2018-6209

Affected Products

Max Secure Anti Virus

References · 3

• 🔥 https://github.com/ZhiyuanWang-Chengdu-Qihoo360/MaxSecureAntivirus_POC/tree/master/MaxCryptMon · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2018-6209 · Security Note
• https://osv.dev/vulnerability/CVE-2018-6209 · Vendor Advisory