CVE-2020-10811 — An issue was discovered in HDF5 through 1

An issue was discovered in HDF5 through 1.12.0. A heap-based buffer over-read exists in the function H5O__layout_decode() located in H5Olayout.c. It allows an attacker to cause Denial of Service.

01What is this vulnerability?

An issue was discovered in HDF5 through 1.12.0. A heap-based buffer over-read exists in the function H5O__layout_decode() located in H5Olayout.c. It allows an attacker to cause Denial of Service.

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: 2020-03-22T17:42:17.000Z
• Last modified: 2024-08-04T11:14:15.539Z

09References

• bitbucket.hdfgroup.org — https://bitbucket.hdfgroup.org/projects/HDFFV/repos/hdf5/browse/release_docs/REL…
• research.loginsoft.com — https://research.loginsoft.com/bugs/heap-buffer-overflow-in-h5olayout-c-hdf5-1-1…
• github.com — https://github.com/Loginsoft-Research/hdf5-reports/tree/master/Vuln_2