VulnerabilityModified
CVE-2021-37501
Buffer Overflow vulnerability in HDFGroup hdf5-h5dump 1.12.0 through 1.13.0 allows attackers to cause a denial of service via h5tools_str_sprint in /hdf5/tools/lib/h5tools_str.c.
HIGH 7.5EPSS 1.54%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.54%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
Buffer Overflow vulnerability in HDFGroup hdf5-h5dump 1.12.0 through 1.13.0 allows attackers to cause a denial of service via h5tools_str_sprint in /hdf5/tools/lib/h5tools_str.c.
- CVSS 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 1.54% probability · 74th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-787
- Affected
- hdfgroup/hdf5
- Source
- cve@mitre.org
References
- https://github.com/HDFGroup/hdf5Product, Third Party Advisory
- https://github.com/HDFGroup/hdf5/issues/2458
- https://github.com/ST4RF4LL/Something_Found/blob/main/HDF5_v1.13.0_h5dump_heap_overflow.mdExploit, Third Party Advisory
- https://github.com/HDFGroup/hdf5Product, Third Party Advisory
- https://github.com/HDFGroup/hdf5/issues/2458
- https://github.com/ST4RF4LL/Something_Found/blob/main/HDF5_v1.13.0_h5dump_heap_overflow.mdExploit, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.