Description
Incorrect access control in zam64.sys, zam32.sys in MalwareFox AntiMalware 2.74.0.150 allows a non-privileged process to open a handle to \.\ZemanaAntiMalware, register itself with the driver by sending IOCTL 0x80002010, allocate executable memory using a flaw in IOCTL 0x80002040, install a hook with IOCTL 0x80002044 and execute the executable memory using this hook with IOCTL 0x80002014 or 0x80002018, this exposes ring 0 code execution in the context of the driver allowing the non-privileged process to elevate privileges.
Published: 2021-05-17
Score: 7.8 High
EPSS: 22.1% Moderate
KEV: No
Impact: n/a
Action: n/a
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Remediation

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Malwarefox Antimalware
cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2024-08-03T23:03:33.789Z

Reserved: 2021-04-23T00:00:00.000Z

Link: CVE-2021-31728

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2021-05-17T13:15:07.803

Modified: 2024-11-21T06:06:09.627

Link: CVE-2021-31728

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

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Weaknesses