CVE-2020-12138 — HIGH (8.8)

Vulnerability Description

AMD ATI atillk64.sys 5.11.9.0 allows low-privileged users to interact directly with physical memory by calling one of several driver routines that map physical memory into the virtual address space of the calling process. This could enable low-privileged users to achieve NT AUTHORITY\SYSTEM privileges via a DeviceIoControl call associated with MmMapIoSpace, IoAllocateMdl, MmBuildMdlForNonPagedPool, or MmMapLockedPages.

CVSS Score

8.8

HIGH

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Amd	Atillk64	5.11.9.0

Related Weaknesses (CWE)

CWE-862

References

https://eclypsium.com/2019/11/12/mother-of-all-drivers/Third Party Advisory
https://h0mbre.github.io/atillk64_exploit/ExploitThird Party Advisory
https://eclypsium.com/2019/11/12/mother-of-all-drivers/Third Party Advisory
https://h0mbre.github.io/atillk64_exploit/ExploitThird Party Advisory

FAQ

What is CVE-2020-12138?

CVE-2020-12138 is a vulnerability with a CVSS score of 8.8 (HIGH). AMD ATI atillk64.sys 5.11.9.0 allows low-privileged users to interact directly with physical memory by calling one of several driver routines that map physical memory into the virtual address space of...

How severe is CVE-2020-12138?

CVE-2020-12138 has been rated HIGH with a CVSS base score of 8.8/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2020-12138?

Check the references section above for vendor advisories and patch information. Affected products include: Amd Atillk64.