CVE-2018-6543 Integer overflow in n/a
A crafted ELF file triggers an integer overflow in GNU Binutils objdump, causing a denial of service via application crash.
- 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-2018-6543?
CVE-2018-6543 is a high-severity vulnerability in Gnu Binutils, published on 2 Feb 2018. 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
In GNU Binutils 2.30, there's an integer overflow in the function load_specific_debug_section() in objdump.c, which results in `malloc()` with 0 size. A crafted ELF file allows remote attackers to cause a denial of service (application crash) or possibly have unspecified other impact.
Weakness: CWE-190
Which versions are affected by CVE-2018-6543?
It affects 1 product.
Products include Gnu Binutils.
How do I fix CVE-2018-6543?
Upgrade to a fixed version.
Is CVE-2018-6543 being exploited?
There is no known exploitation of CVE-2018-6543 in the wild and no public exploit code.
Other vulnerabilities in Gnu Binutils
Sources
Also known as ALPINE-CVE-2018-6543, DEBIAN-CVE-2018-6543, GHSA-qp5q-3jm8-4774, UBUNTU-CVE-2018-6543.