#VU68911 Stack-based buffer overflow in HDF5 - CVE-2021-45833

Vulnerability identifier: #VU68911

Vulnerability risk: Medium

CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green

CVE-ID: CVE-2021-45833

CWE-ID: CWE-121

Exploitation vector: Remote access

Exploit availability: No public exploit available

Vulnerable software:
HDF5

Software vendor:
HDF Group

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a boundary error in within the H5D__create_chunk_file_map_hyper() function in /hdf5/src/H5Dchunk.c. A remote attacker can send specially crafted data to the application, trigger a stack-based buffer overflow and perform a denial of service (DoS) attack.

Install update from vendor's website.

• https://github.com/HDFGroup/hdf5/issues/1313