CVE-2022-40080 Memory corruption in n/a
Local attackers can execute arbitrary code and escalate privileges via a stack overflow in the Acer Aspire E5-475G BIOS firmware.
- 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-2022-40080?
CVE-2022-40080 is a high-severity memory corruption vulnerability in n/a, published on 16 Feb 2023. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Stack overflow vulnerability in Aspire E5-475G 's BIOS firmware, in the FpGui module, a second call to GetVariable services allows local attackers to execute arbitrary code in the UEFI DXE phase and gain escalated privileges.
Weakness: CWE-787
Which versions are affected by CVE-2022-40080?
It affects 1 product.
Products include Acer Aspire E5-475g Firmware.
How do I fix CVE-2022-40080?
No fix has been published for CVE-2022-40080 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-2022-40080 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2022-40080 exists.
Sources
Also known as GHSA-wjmr-m5q4-p45g.