CVE-2020-16593 Null dereference in n/a
A crafted file can trigger a null pointer dereference in the BFD library, causing a denial of service in tools like addr2line.
- 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-2020-16593?
CVE-2020-16593 is a medium-severity 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 Null Pointer Dereference vulnerability exists in the Binary File Descriptor (BFD) library (aka libbfd), as distributed in GNU Binutils 2.35, in scan_unit_for_symbols, as demonstrated in addr2line, that can cause a denial of service via a crafted file.
Weakness: CWE-476
Which versions are affected by CVE-2020-16593?
It affects 4 products.
Products include Gnu Binutils, Netapp Cloud Backup, Netapp Ontap Select Deploy Administration Utility, Netapp Solidfire \& Hci Management Node.
How do I fix CVE-2020-16593?
Upgrade to a fixed version.
Is CVE-2020-16593 being exploited?
There is no known exploitation of CVE-2020-16593 in the wild and no public exploit code.
Other vulnerabilities in Gnu Binutils
Sources
Also known as DEBIAN-CVE-2020-16593, GHSA-vpwc-qjh8-q22p.