CVE-2020-8740 Memory corruption in Intel BIOS platform sample code for some Intel(R) Processors

Medium 6.7 Published Updated

A privileged local attacker can exploit an out-of-bounds write in Intel BIOS sample code to escalate privileges.

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-2020-8740?

CVE-2020-8740 is a medium-severity memory corruption vulnerability in Intel BIOS platform sample code for some Intel(R) Processors, published on 12 Nov 2020. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Out of bounds write in Intel BIOS platform sample code for some Intel(R) Processors may allow a privileged user to potentially enable escalation of privilege via local access.

Weakness: CWE-787

Which versions are affected by CVE-2020-8740?

It affects 6 products.

Products include Intel Bios, Netapp Aff Bios, Netapp Fas Bios, Netapp Hci Compute Node Bios, Netapp Hci Storage Node Bios, Netapp Solidfire Bios.

How do I fix CVE-2020-8740?

No fix has been published for CVE-2020-8740 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2020-8740 being exploited?

There is no known exploitation of CVE-2020-8740 in the wild and no public exploit code.

Sources

Also known as GHSA-x3p4-v5g6-w6pw.

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