CVE-2020-5387 Denial of service in CPG BIOS
A local attacker with physical access can prevent the system from booting by exploiting improper exception handling in the BIOS.
- 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-2020-5387?
CVE-2020-5387 is a low-severity denial of service vulnerability in Dell CPG BIOS, published on 1 Oct 2020. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Dell XPS 13 9370 BIOS versions prior to 1.13.1 contains an Improper Exception Handling vulnerability. A local attacker with physical access could exploit this vulnerability to prevent the system from booting until the exploited boot device is removed.
Weakness: CWE-755
Which versions are affected by CVE-2020-5387?
It affects 1 product.
Products include Dell Xps 13 9370 Firmware.
How do I fix CVE-2020-5387?
No fix has been published for CVE-2020-5387 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2020-5387 being exploited?
There is no known exploitation of CVE-2020-5387 in the wild and no public exploit code.
Sources
Also known as GHSA-jc6m-9rhv-q9wq.