CVE-2020-16590 Use after free in n/a
A double free vulnerability in the BFD library allows attackers to cause denial of service or potentially execute code via crafted files.
- 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-2020-16590?
CVE-2020-16590 is a medium-severity use after free vulnerability in Gnu Binutils, published on 9 Dec 2020. 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 double free vulnerability exists in the Binary File Descriptor (BFD) (aka libbrd) in GNU Binutils 2.35 in the process_symbol_table, as demonstrated in readelf, via a crafted file.
Weakness: CWE-415
Which versions are affected by CVE-2020-16590?
It affects 2 products.
Products include Gnu Binutils, Netapp Ontap Select Deploy Administration Utility.
How do I fix CVE-2020-16590?
Upgrade to a fixed version.
Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.
Is CVE-2020-16590 being exploited?
There is no known exploitation of CVE-2020-16590 in the wild and no public exploit code.
Other vulnerabilities in Gnu Binutils
Sources
Also known as DEBIAN-CVE-2020-16590, GHSA-gfcr-hr3x-v6r9.