CVE-2017-8396 Denial of service in n/a
An attacker can cause a denial of service by triggering an invalid read in the BFD library, crashing tools like objdump during binary analysis.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2017-8396?
CVE-2017-8396 is a high-severity denial of service vulnerability in Gnu Binutils, published on 1 May 2017. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The Binary File Descriptor (BFD) library (aka libbfd), as distributed in GNU Binutils 2.28, is vulnerable to an invalid read of size 1 because the existing reloc offset range tests didn't catch small negative offsets less than the size of the reloc field. This vulnerability causes programs that conduct an analysis of binary programs using the libbfd library, such as objdump, to crash.
Weakness: CWE-20
Which versions are affected by CVE-2017-8396?
It affects 1 product.
Products include Gnu Binutils.
How do I fix CVE-2017-8396?
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-2017-8396 being exploited?
There is no known exploitation of CVE-2017-8396 in the wild and no public exploit code.
Other vulnerabilities in Gnu Binutils
Sources
Also known as DEBIAN-CVE-2017-8396, GHSA-wv8w-rw6r-ppxm, UBUNTU-CVE-2017-8396.