Malwarefox: >> Antimalware Security Vulnerabilities
Incorrect access control in zam64.sys, zam32.sys in MalwareFox AntiMalware 2.74.0.150 where IOCTL's 0x80002014, 0x80002018 expose unrestricted disk read/write capabilities respectively. A non-privileged process can open a handle to \.\ZemanaAntiMalware, register with the driver using IOCTL 0x80002010 and send these IOCTL's to escalate privileges by overwriting the boot sector or overwriting critical code in the pagefile.
CVSS Score
7.8
EPSS Score
0.002
Published
2021-05-17
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.
CVSS Score
7.8
EPSS Score
0.158
Published
2021-05-17
An issue was discovered in MalwareFox AntiMalware 2.74.0.150. Improper access control in zam32.sys and zam64.sys allows a non-privileged process to register itself with the driver by sending IOCTL 0x80002010 and then using IOCTL 0x8000204C to \\.\ZemanaAntiMalware to elevate privileges.
CVSS Score
7.8
EPSS Score
0.032
Published
2018-02-04
An issue was discovered in MalwareFox AntiMalware 2.74.0.150. Improper access control in zam32.sys and zam64.sys allows a non-privileged process to register itself with the driver by connecting to the filter communication port and then using IOCTL 0x8000204C to \\.\ZemanaAntiMalware to elevate privileges.
CVSS Score
7.8
EPSS Score
0.003
Published
2018-02-03