CVE-2023-20556 Vulnerability details
An authenticated user can cause a Windows crash and denial of service in AMD μProf by sending an arbitrary buffer due to insufficient IOCTL input validation.
- 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-2023-20556?
CVE-2023-20556 is a medium-severity denial of service vulnerability in μProf, published on 8 Aug 2023. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Insufficient validation of the IOCTL (Input Output Control) input buffer in AMD μProf may allow an authenticated user to send an arbitrary buffer potentially resulting in a Windows crash leading to denial of service.
Which versions are affected by CVE-2023-20556?
It affects 1 product.
Products include Amd Amd Uprof.
How do I fix CVE-2023-20556?
No fix has been published for CVE-2023-20556 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2023-20556 being exploited?
There is no known exploitation of CVE-2023-20556 in the wild and no public exploit code.
Other vulnerabilities in μProf
Sources
Also known as GHSA-7p3x-w377-9pq7.