CVE-2020-8672 Memory corruption in Intel BIOS Advisory
An out-of-bounds read in Intel BIOS firmware allows local attackers to escalate privileges or cause denial of service.
- 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-2020-8672?
CVE-2020-8672 is a high-severity memory corruption vulnerability in Intel BIOS Advisory, published on 2 Feb 2021. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Out of bound read in BIOS firmware for 8th, 9th Generation Intel(R) Core(TM), Intel(R) Celeron(R) Processor 4000 Series Processors may allow an unauthenticated user to potentially enable elevation of privilege or denial of service via local access.
Weakness: CWE-125
Which versions are affected by CVE-2020-8672?
It affects 1 product.
Products include Intel Bios.
How do I fix CVE-2020-8672?
No fix has been published for CVE-2020-8672 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-2020-8672 being exploited?
There is no known exploitation of CVE-2020-8672 in the wild and no public exploit code.
Other vulnerabilities in Intel BIOS Advisory
- CVE-2019-14557 Memory corruption in Intel BIOS
- CVE-2020-12360 Memory corruption in Intel(R) Processors
- CVE-2020-8739 Privilege escalation in Intel BIOS platform sample code for some Intel(R) Processors
- CVE-2008-7096 Privilege escalation in n/a
- CVE-2020-12359 Privilege escalation in Intel(R) Processors
Sources
Also known as GHSA-3mxg-74vr-rhx5.