CVE-2018-20671 Integer overflow in n/a
An integer overflow in GNU Binutils objdump allows heap-based buffer overflow via crafted section size, potentially leading to code execution or denial of service.
- 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-2018-20671?
CVE-2018-20671 is a medium-severity vulnerability in Gnu Binutils, published on 4 Jan 2019. 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
load_specific_debug_section in objdump.c in GNU Binutils through 2.31.1 contains an integer overflow vulnerability that can trigger a heap-based buffer overflow via a crafted section size.
Which versions are affected by CVE-2018-20671?
It affects 1 product.
Products include Gnu Binutils.
How do I fix CVE-2018-20671?
Upgrade to a fixed version.
Is CVE-2018-20671 being exploited?
There is no known exploitation of CVE-2018-20671 in the wild and no public exploit code.
Other vulnerabilities in Gnu Binutils
Sources
Also known as DEBIAN-CVE-2018-20671, GHSA-crr7-7j5m-9cvf, UBUNTU-CVE-2018-20671.