CVE-2022-48188 Memory corruption in ThinkStation BIOS
A local attacker can exploit a buffer overflow in the SecureBootDXE BIOS driver to execute arbitrary code and 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-2022-48188?
CVE-2022-48188 is a medium-severity memory corruption vulnerability in Lenovo ThinkStation BIOS, published on 5 Jun 2023. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
A buffer overflow vulnerability in the SecureBootDXE BIOS driver of some Lenovo Desktop and ThinkStation models could allow an attacker with local access to elevate their privileges to execute arbitrary code.
Weakness: CWE-787
Which versions are affected by CVE-2022-48188?
It affects 27 products.
Products include Lenovo Ideacentre 510s-07icb Firmware, Lenovo Ideacentre 510s-07ick Firmware, Lenovo Ideacentre 720-18apr Firmware, Lenovo Ideacentre Aio 3-22itl6 Firmware, Lenovo Ideacentre Aio 3-24itl6 Firmware, Lenovo Ideacentre Aio 3-27itl6 Firmware and 21 more.
How do I fix CVE-2022-48188?
No fix has been published for CVE-2022-48188 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-2022-48188 being exploited?
There is no known exploitation of CVE-2022-48188 in the wild and no public exploit code.
Sources
Also known as GHSA-44q7-gj7w-2qrj.