CVE-2020-24821 Denial of service in n/a
Attackers can cause a denial of service via segmentation fault by providing a crafted ELF file to the Libelfin library.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2020-24821?
CVE-2020-24821 is a medium-severity denial of service vulnerability in n/a, published on 4 Aug 2021. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
A vulnerability in the dwarf::cursor::skip_form function of Libelfin v0.3 allows attackers to cause a denial of service (DOS) through a segmentation fault via a crafted ELF file.
Weakness: CWE-74
Which versions are affected by CVE-2020-24821?
It affects 1 product.
Products include Libelfin Project Libelfin.
How do I fix CVE-2020-24821?
No fix has been published for CVE-2020-24821 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-2020-24821 being exploited?
There is no known exploitation of CVE-2020-24821 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as DEBIAN-CVE-2020-24821, GHSA-5368-22cm-w5cv, UBUNTU-CVE-2020-24821.