CVE-2022-32493 Memory corruption in CPG BIOS
A local attacker can exploit a stack-based buffer overflow in Dell BIOS to execute arbitrary code in SMRAM, requiring a firmware patch.
- 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-2022-32493?
CVE-2022-32493 is a medium-severity memory corruption vulnerability in Dell Alienware Area 51m R2 Firmware, published on 12 Oct 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Dell BIOS contains an Stack-Based Buffer Overflow vulnerability. A local authenticated malicious user may potentially exploit this vulnerability by using an SMI to gain arbitrary code execution in SMRAM.
Which versions are affected by CVE-2022-32493?
It affects 290 products.
Products include Dell Alienware Area 51m R1 Firmware, Dell Alienware Area 51m R2 Firmware, Dell Alienware Aurora R10 Firmware, Dell Alienware Aurora R11 Firmware, Dell Alienware Aurora R12 Firmware, Dell Alienware Aurora R13 Firmware and 284 more.
How do I fix CVE-2022-32493?
No fix has been published for CVE-2022-32493 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-2022-32493 being exploited?
There is no known exploitation of CVE-2022-32493 in the wild and no public exploit code.
Other vulnerabilities in Dell Alienware Area 51m R2 Firmware
Sources
Also known as GHSA-pp39-mm75-97q9.