CVE-2021-44421 Information disclosure in n/a
A local attacker can access unauthorized information via side-channel analysis due to flawed pointer validation in the Occlum SGX runtime.
- 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-2021-44421?
CVE-2021-44421 is a medium-severity vulnerability in n/a, published on 6 Mar 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
The pointer-validation logic in util/mem_util.rs in Occlum before 0.26.0 for Intel SGX acts as a confused deputy that allows a local attacker to access unauthorized information via side-channel analysis.
Weakness: CWE-203
Which versions are affected by CVE-2021-44421?
It affects 1 product.
Products include Occlum Project Occlum.
How do I fix CVE-2021-44421?
No fix has been published for CVE-2021-44421 yet. Limit exposure of the affected software until one is available.
Is CVE-2021-44421 being exploited?
There is no known exploitation of CVE-2021-44421 in the wild and no public exploit code.
Sources
Also known as GHSA-pj6m-jc6g-72c4.