#VU20060 Race condition in Zstandard - CVE-2019-11922
Published: August 12, 2019
Vulnerability identifier: #VU20060
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2019-11922
CWE-ID: CWE-362
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Zstandard
Zstandard
Software vendor:
Facebook Inc.
Facebook Inc.
Description
The vulnerability allows an attacker to execute arbitrary code on the target system.
The vulnerability exists due to a race condition in the one-pass compression functions. A remote attacker can exploit the race and write bytes out of bounds if an output buffer smaller than the recommended size was used.
Successful exploitation of the vulnerability may allow an attacker to execute arbitrary code on the target system.
Remediation
Install updates from vendor's website.