CVE-2018-17438 Denial of service in n/a
A division by zero error in the HDF5 library allows remote attackers to cause a denial of service via a crafted file.
- 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-2018-17438?
CVE-2018-17438 is a medium-severity denial of service vulnerability in Hdfgroup Hdf5, published on 24 Sep 2018. 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
A SIGFPE signal is raised in the function H5D__select_io() of H5Dselect.c in the HDF HDF5 through 1.10.3 library during an attempted parse of a crafted HDF file, because of incorrect protection against division by zero. It could allow a remote denial of service attack.
Weakness: CWE-369
Which versions are affected by CVE-2018-17438?
It affects 1 product.
Products include Hdfgroup Hdf5.
How do I fix CVE-2018-17438?
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-2018-17438 being exploited?
There is no known exploitation of CVE-2018-17438 in the wild and no public exploit code.
Other vulnerabilities in Hdfgroup Hdf5
Sources
Also known as DEBIAN-CVE-2018-17438, GHSA-h8pr-cfpq-c3rc, UBUNTU-CVE-2018-17438.