#VU74201 Buffer overflow in Zstandard - CVE-2022-4899 

 

#VU74201 Buffer overflow in Zstandard - CVE-2022-4899

Published: March 30, 2023


Vulnerability identifier: #VU74201
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-2022-4899
CWE-ID: CWE-119
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
Zstandard
Software vendor:
Facebook Inc.

Description

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

The vulnerability exists due to a boundary error in util.c when processing empty arguments in the command line tool. A remote attacker can pass an empty string as an argument, trigger buffer underflow and crash the application.


Remediation

Install updates from vendor's website.

External links