Medium severity · published Jul 20, 2021
CVE-2021-36977
matio (aka MAT File I/O Library) 1.5.20 and 1.5.21 has a heap-based buffer overflow in H5MM_memcpy (called from H5MM_malloc and H5C_load_entry), related to use of HDF5 1.12.0
6.5
CVSS
1.5%
EPSS
No
On KEV
Description
matio (aka MAT File I/O Library) 1.5.20 and 1.5.21 has a heap-based buffer overflow in H5MM_memcpy (called from H5MM_malloc and H5C_load_entry), related to use of HDF5 1.12.0.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.5% · higher than 74% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
MA
Matio · Matio Project
1.5.20; 1.5.21 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-36977
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-36977
Patch
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=31265
Issue Tracking
https://github.com/HDFGroup/hdf5/issues/272
Third Party Advisory
https://github.com/google/oss-fuzz-vulns/blob/main/vulns/matio/OSV-2021-440.yaml
Issue Tracking
https://github.com/google/oss-fuzz-vulns/commit/37b781ace1b4228fc36483bb7e30c72ea9d4c3d6
Issue Tracking
https://github.com/google/oss-fuzz/issues/4999
More from Matio
9.8
CVE-2019-13107
Multiple integer overflows exist in MATIO before 1.5.16, related to mat.c, mat4.c, mat5.c, mat73.c, and matvar_struct.c
9.1
CVE-2019-9028
An issue was discovered in libmatio.a in matio (aka MAT File I/O Library) 1.5.13
9.1
CVE-2019-9037
An issue was discovered in libmatio.a in matio (aka MAT File I/O Library) 1.5.13
9.1
CVE-2019-9033
An issue was discovered in libmatio.a in matio (aka MAT File I/O Library) 1.5.13
9.1
CVE-2019-9034
An issue was discovered in libmatio.a in matio (aka MAT File I/O Library) 1.5.13