CVE-2018-8945 Denial of service in n/a
Remote attackers can cause a segmentation fault and denial of service in the BFD library by providing a crafted ELF file with a large attribute section.
- 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-2018-8945?
CVE-2018-8945 is a medium-severity denial of service vulnerability in Gnu Binutils, published on 22 Mar 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_section_from_shdr 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 (segmentation fault) via a large attribute section.
Weakness: CWE-20
Which versions are affected by CVE-2018-8945?
It affects 4 products.
Products include Gnu Binutils, Redhat Enterprise Linux Desktop, Redhat Enterprise Linux Server, Redhat Enterprise Linux Workstation.
How do I fix CVE-2018-8945?
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-2018-8945 being exploited?
There is no known exploitation of CVE-2018-8945 in the wild and no public exploit code.
Other vulnerabilities in Gnu Binutils
Sources
Also known as ALPINE-CVE-2018-8945, DEBIAN-CVE-2018-8945, GHSA-65pw-pvw5-gjv3, UBUNTU-CVE-2018-8945.