CVE-2017-9955 Memory corruption in n/a
Remote attackers can cause a denial of service via heap-based buffer over-read in the BFD library when processing crafted files with objdump.
- 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-2017-9955?
CVE-2017-9955 is a medium-severity memory corruption vulnerability in Gnu Binutils, published on 26 Jun 2017. 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 get_build_id function in opncls.c in the Binary File Descriptor (BFD) library (aka libbfd), as distributed in GNU Binutils 2.28, allows remote attackers to cause a denial of service (heap-based buffer over-read and application crash) via a crafted file in which a certain size field is larger than a corresponding data field, as demonstrated by mishandling within the objdump program.
Weakness: CWE-125
Which versions are affected by CVE-2017-9955?
It affects 1 product.
Products include Gnu Binutils.
How do I fix CVE-2017-9955?
Apply the vendor's patch.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2017-9955 being exploited?
There is no known exploitation of CVE-2017-9955 in the wild and no public exploit code.
Other vulnerabilities in Gnu Binutils
Sources
Also known as DEBIAN-CVE-2017-9955, GHSA-5v6r-8hjf-9vcj, UBUNTU-CVE-2017-9955.