CVE-2018-6872 Denial of service in n/a
Remote attackers can cause a denial of service via out-of-bounds read in the BFD library when parsing ELF notes with large alignment.
- 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-2018-6872?
CVE-2018-6872 is a medium-severity denial of service vulnerability in Gnu Binutils, published on 9 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 elf_parse_notes function in elf.c in the Binary File Descriptor (BFD) library (aka libbfd), as distributed in GNU Binutils 2.30, allows remote attackers to cause a denial of service (out-of-bounds read and segmentation violation) via a note with a large alignment.
Weakness: CWE-125
Which versions are affected by CVE-2018-6872?
It affects 1 product.
Products include Gnu Binutils.
How do I fix CVE-2018-6872?
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-2018-6872 being exploited?
There is no known exploitation of CVE-2018-6872 in the wild and no public exploit code.
Other vulnerabilities in Gnu Binutils
Sources
Also known as ALPINE-CVE-2018-6872, DEBIAN-CVE-2018-6872, GHSA-f82r-gxmc-7677, UBUNTU-CVE-2018-6872.