CVE-2017-12967 Memory corruption in n/a
Remote attackers can cause a denial of service via stack-based buffer over-read in the BFD library when processing malformed tekhex binaries.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2017-12967?
CVE-2017-12967 is a medium-severity memory corruption vulnerability in Gnu Binutils, published on 19 Aug 2017. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
The getsym function in tekhex.c in the Binary File Descriptor (BFD) library (aka libbfd), as distributed in GNU Binutils 2.29, allows remote attackers to cause a denial of service (stack-based buffer over-read and application crash) via a malformed tekhex binary.
Weakness: CWE-125
Which versions are affected by CVE-2017-12967?
It affects 1 product.
Products include Gnu Binutils.
How do I fix CVE-2017-12967?
Upgrade to a fixed version.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2017-12967 being exploited?
There is no known exploitation of CVE-2017-12967 in the wild and no public exploit code.
Other vulnerabilities in Gnu Binutils
Sources
Also known as DEBIAN-CVE-2017-12967, GHSA-x93j-fm3w-m5v9, UBUNTU-CVE-2017-12967.