CVE-2020-19724 Denial of service in n/a
Attackers can cause denial of service in GNU nm via crafted commands due to memory consumption issues in the get_data function.
- 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
- Available
What is CVE-2020-19724?
CVE-2020-19724 is a medium-severity denial of service vulnerability in Gnu Binutils, published on 22 Aug 2023. 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 memory consumption issue in get_data function in binutils/nm.c in GNU nm before 2.34 allows attackers to cause a denial of service via crafted command.
Weakness: CWE-401
Which versions are affected by CVE-2020-19724?
It affects 1 product.
Products include Gnu Binutils.
How do I fix CVE-2020-19724?
Upgrade to a fixed version.
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-2020-19724 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2020-19724 exists.
Other vulnerabilities in Gnu Binutils
Sources
Also known as DEBIAN-CVE-2020-19724, GHSA-fwgh-55j5-gc7g, UBUNTU-CVE-2020-19724.