CVE-2022-34391 Code injection in CPG BIOS
A local authenticated attacker can exploit improper input validation in Dell Client BIOS to execute arbitrary code in SMRAM.
- 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-2022-34391?
CVE-2022-34391 is a high-severity code injection vulnerability in Dell CPG BIOS, 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 Client BIOS Versions prior to the remediated version contain an improper input validation vulnerability. A local authenticated malicious user may potentially exploit this vulnerability by using an SMI to gain arbitrary code execution in SMRAM.
Weakness: CWE-119
Which versions are affected by CVE-2022-34391?
It affects 2 products.
Products include Dell Alienware Area-51 R4 Firmware, Dell Alienware Area-51 R5 Firmware.
How do I fix CVE-2022-34391?
No fix has been published for CVE-2022-34391 yet. Limit exposure of the affected software until one is available.
Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.
Is CVE-2022-34391 being exploited?
There is no known exploitation of CVE-2022-34391 in the wild and no public exploit code.
Other vulnerabilities in Dell CPG BIOS
Sources
Also known as GHSA-xvm4-x6jf-7p35.