CVE-2020-24491 Information disclosure in Intel(R) 10th Generation Core Processors supporting SGX

Medium 4.4 Published Updated

A privileged local attacker can read memory transaction addresses from debug messages in Intel 10th Gen SGX processors, leading to information disclosure.

Exploited in the wild
Not known
Login needed
An administrator
Attackable
Local or same network only
Victim action needed
Not needed
Fix
None listed

What is CVE-2020-24491?

CVE-2020-24491 is a medium-severity vulnerability in Intel(R) 10th Generation Core Processors supporting SGX, published on 17 Feb 2021. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Debug message containing addresses of memory transactions in some Intel(R) 10th Generation Core Processors supporting SGX may allow a privileged user to potentially enable information disclosure via local access.

Weakness: CWE-20

Which versions are affected by CVE-2020-24491?

It affects 3 products.

Products include Intel Core I3, Intel Core I5, Intel Core I7.

How do I fix CVE-2020-24491?

No fix has been published for CVE-2020-24491 yet. Limit exposure of the affected software until one is available.

Is CVE-2020-24491 being exploited?

There is no known exploitation of CVE-2020-24491 in the wild and no public exploit code.

Sources

Also known as GHSA-959j-89f4-f372.

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