CVE-2019-14557 Memory corruption in Intel BIOS
An authenticated attacker with adjacent access can exploit a buffer overflow in Intel BIOS firmware 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-2019-14557?
CVE-2019-14557 is a high-severity memory corruption vulnerability in Intel BIOS, published on 5 Oct 2020. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Buffer overflow in BIOS firmware for 8th, 9th, 10th Generation Intel(R) Core(TM), Intel(R) Celeron(R) Processor 4000 & 5000 Series Processors may allow an authenticated user to potentially enable elevation of privilege or denial of service via adjacent access.
Weakness: CWE-120
Which versions are affected by CVE-2019-14557?
It affects 1 product.
Products include Intel Bios.
How do I fix CVE-2019-14557?
No fix has been published for CVE-2019-14557 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-2019-14557 being exploited?
There is no known exploitation of CVE-2019-14557 in the wild and no public exploit code.
Other vulnerabilities in Intel BIOS
- CVE-2020-12360 Memory corruption in Intel(R) Processors
- CVE-2020-8672 Memory corruption in Intel BIOS Advisory
- 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-3p3w-92gc-7p27.