CVE-2018-6759 Denial of service in n/a
Remote attackers can cause a denial of service via segmentation fault by providing a crafted ELF file to the BFD library.
- 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-2018-6759?
CVE-2018-6759 is a medium-severity denial of service vulnerability in Gnu Binutils, published on 6 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
The bfd_get_debug_link_info_1 function in opncls.c in the Binary File Descriptor (BFD) library (aka libbfd), as distributed in GNU Binutils 2.30, has an unchecked strnlen operation. Remote attackers could leverage this vulnerability to cause a denial of service (segmentation fault) via a crafted ELF file.
Weakness: CWE-20
Which versions are affected by CVE-2018-6759?
It affects 1 product.
Products include Gnu Binutils.
How do I fix CVE-2018-6759?
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-2018-6759 being exploited?
There is no known exploitation of CVE-2018-6759 in the wild and no public exploit code.
Other vulnerabilities in Gnu Binutils
Sources
Also known as ALPINE-CVE-2018-6759, DEBIAN-CVE-2018-6759, GHSA-h3f9-f778-x29x, UBUNTU-CVE-2018-6759.