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High severity · published Feb 3, 2023
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
7.5
CVSS
1.5%
EPSS
No
On KEV
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 vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.5% · higher than 75% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
HD
Hdf5 · Hdfgroup
1.12.0 through 1.13.0 · source: NVD
Affected product
HD
Hdf5
Hdfgroup
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-37501
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-37501
Product
https://github.com/HDFGroup/hdf5
github.com
https://github.com/HDFGroup/hdf5/issues/2458
Exploit
https://github.com/ST4RF4LL/Something_Found/blob/main/HDF5_v1.13.0_h5dump_heap_overflow.md
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