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CVE-2021-36977

Date: July 20, 2021

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.

Severity Score

6.5

Related Resources (7)

Url: https://github.com/google/oss-fuzz-vulns/commit/37b781ace1b4228fc36483bb7e30c72ea9d4c3d6

Url: https://github.com/google/oss-fuzz-vulns/blob/main/vulns/matio/OSV-2021-440.yaml

Url: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=31265

Url: https://nvd.nist.gov/vuln/detail/CVE-2021-36977

Url: https://github.com/google/oss-fuzz/issues/4999

Url: https://github.com/HDFGroup/hdf5/issues/272

Url: https://www.mend.io/vulnerability-database/CVE-2021-36977

Severity Score

6.5

Weakness Type (CWE)

Out-of-bounds Write

CWE-787

CVSS v3.1

Base Score:	6.5
Attack Vector (AV):	NETWORK
Attack Complexity (AC):	LOW
Privileges Required (PR):	NONE
User Interaction (UI):	REQUIRED
Scope (S):	UNCHANGED
Confidentiality (C):	NONE
Integrity (I):	NONE
Availability (A):	HIGH

CVSS v2

Base Score:	4.3
Access Vector (AV):	NETWORK
Access Complexity (AC):	MEDIUM
Authentication (AU):	NONE
Confidentiality (C):	NONE
Integrity (I):	NONE
Availability (A):	PARTIAL
Additional information:

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