CVE-2022-34460 Code injection in BIOS
A local authenticated attacker can exploit improper input validation 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-2022-34460?
CVE-2022-34460 is a high-severity code injection vulnerability in Dell BIOS, published on 18 Jan 2023. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Prior Dell BIOS versions 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-20
Which versions are affected by CVE-2022-34460?
It affects 26 products.
Products include Dell G5 Se 5505 Firmware, Dell Inspiron 27 7775 Firmware, Dell Inspiron 3180 Firmware, Dell Inspiron 3185 Firmware, Dell Inspiron 3195 2-in-1 Firmware, Dell Inspiron 3275 Firmware and 20 more.
How do I fix CVE-2022-34460?
No fix has been published for CVE-2022-34460 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-2022-34460 being exploited?
There is no known exploitation of CVE-2022-34460 in the wild and no public exploit code.
Other vulnerabilities in Dell BIOS
Sources
Also known as GHSA-vhc6-cvm5-pgj3.