CVE-2023-28075 Race condition in CPG BIOS
A local attacker with physical access can exploit a race condition in Dell BIOS to achieve arbitrary code execution.
- 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-2023-28075?
CVE-2023-28075 is a medium-severity vulnerability in Dell Chengming 3980 Firmware, published on 16 Aug 2023. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Dell BIOS contain a Time-of-check Time-of-use vulnerability in BIOS. A local authenticated malicious user with physical access to the system could potentially exploit this vulnerability by using a specifically timed DMA transaction during an SMI in order to gain arbitrary code execution on the system.
Weakness: CWE-367
Which versions are affected by CVE-2023-28075?
It affects 242 products.
Products include Dell Alienware M15 R7 Firmware, Dell Alienware M16 Firmware, Dell Alienware M18 Firmware, Dell Chengming 3900 Firmware, Dell Chengming 3901 Firmware, Dell Chengming 3910 Firmware and 236 more.
How do I fix CVE-2023-28075?
No fix has been published for CVE-2023-28075 yet. Limit exposure of the affected software until one is available.
Is CVE-2023-28075 being exploited?
There is no known exploitation of CVE-2023-28075 in the wild and no public exploit code.
Other vulnerabilities in Dell Chengming 3980 Firmware
Sources
Also known as GHSA-4frm-gc48-jwjx.