Divide By Zero Affecting hdf5 package, versions <1.10.6+repack-2
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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- published24 Sept 2018
- disclosed24 Sept 2018
Introduced: 24 Sep 2018
CVE-2018-17434 (opens in a new tab)How to fix?
Upgrade Debian:unstable hdf5 to version 1.10.6+repack-2 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream hdf5 package and not the hdf5 package as distributed by Debian.
See How to fix? for Debian:unstable relevant fixed versions and status.
A SIGFPE signal is raised in the function apply_filters() of h5repack_filters.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.
References
- https://security-tracker.debian.org/tracker/CVE-2018-17434
- https://github.com/SegfaultMasters/covering360/tree/master/HDF5/vuln4#divided-by-zero---poc_apply_filters_h5repack_filters
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2018-17434
- https://lists.debian.org/debian-lts-announce/2023/08/msg00009.html