CVE-2020-12138

Public Exploit

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.

Category

8.8
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.67% Top 30%
Third-Party Advisory eclypsium.com Third-Party Advisory github.io
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://eclypsium.com/2019/11/12/mother-of-all-drivers/ third party advisory
https://h0mbre.github.io/atillk64_exploit/ third party advisory exploit

Frequently Asked Questions

What is the severity of CVE-2020-12138?
CVE-2020-12138 has been scored as a high severity vulnerability.
How to fix CVE-2020-12138?
To fix CVE-2020-12138, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2020-12138 being actively exploited in the wild?
It is possible that CVE-2020-12138 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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