CVE-2021-24031

medium

Description

In the Zstandard command-line utility prior to v1.4.1, output files were created with default permissions. Correct file permissions (matching the input) would only be set at completion time. Output files could therefore be readable or writable to unintended parties.

References

https://www.facebook.com/security/advisories/cve-2021-24031

https://github.com/facebook/zstd/issues/1630

https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=981404

Details

Source: Mitre, NVD

Published: 2021-03-04

Updated: 2021-04-14

Risk Information

CVSS v2

Base Score: 2.1

Vector: CVSS2#AV:L/AC:L/Au:N/C:P/I:N/A:N

Severity: Low

CVSS v3

Base Score: 5.5

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Severity: Medium