CVE-2021-44852 Privilege escalation in n/a
A low-integrity process can exploit the Biostar RACING GT Evo driver to read/write arbitrary physical memory, enabling arbitrary code execution and privilege escalation.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2021-44852?
CVE-2021-44852 is a high-severity vulnerability in n/a, published on 1 Jan 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
An issue was discovered in BS_RCIO64.sys in Biostar RACING GT Evo 2.1.1905.1700. A low-integrity process can open the driver's device object and issue IOCTLs to read or write to arbitrary physical memory locations (or call an arbitrary address), leading to execution of arbitrary code. This is associated with 0x226040, 0x226044, and 0x226000.
Which versions are affected by CVE-2021-44852?
It affects 1 product.
Products include Biostar Racing Gt Evo.
How do I fix CVE-2021-44852?
No fix has been published for CVE-2021-44852 yet. Limit exposure of the affected software until one is available.
Is CVE-2021-44852 being exploited?
There is no known exploitation of CVE-2021-44852 in the wild and no public exploit code.
Public exploit code: 1 proofs of concept on GitHub.
Sources
Also known as GHSA-rgp2-m7fc-79r8.