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I. Basic Information for CVE-2021-31728
Vulnerability Information

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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability 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.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Title
MalwareFox Anti-Malware 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
MalwareFox Anti-Malware是美国MalwareFox公司的一个应用软件。一个检测恶意代码软件。 MalwareFox AntiMalware 2.74.0.150 存在安全漏洞,该漏洞允许在驱动程序的上下文中公开环0代码的执行,允许非特权进程提升特权。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
VendorProductAffected VersionsCPESubscribe
-n/a n/a -
II. Public POCs for CVE-2021-31728
#POC DescriptionSource LinkShenlong Link
1vulnerability in zam64.sys, zam32.sys allowing ring 0 code execution. CVE-2021-31727 and CVE-2021-31728 public reference.https://github.com/irql/CVE-2021-31728POC Details
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III. Intelligence Information for CVE-2021-31728
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IV. Related Vulnerabilities
V. Comments for CVE-2021-31728

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