CVE-2018-11207 — A division by zero was discovered in H5D__chunk_init in H5Dchunk

A division by zero was discovered in H5D__chunk_init in H5Dchunk.c in the HDF HDF5 1.10.2 library. It could allow a remote denial of service attack.

01What is this vulnerability?

A division by zero was discovered in H5D__chunk_init in H5Dchunk.c in the HDF HDF5 1.10.2 library. It could allow a remote denial of service attack.

02Affected products

Vendor	Product	Versions
n	a / n/a	n/a

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2018-05-16T15:00:00.000Z
• Last modified: 2024-08-05T08:01:52.464Z

09References

• github.com — https://github.com/Twi1ight/fuzzing-pocs/tree/master/hdf5
• github.com — https://github.com/SegfaultMasters/covering360/tree/master/HDF5#divided-by-zero-…