CVE-2021-24031

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.

Weakness classification

• cve-assign@fb.com: CWE-277
• nvd@nist.gov: CWE-276

Primary references

• cve-assign@fb.com — Exploit, Issue Tracking, Mailing List, Third Party Advisory
• cve-assign@fb.com — Exploit, Issue Tracking, Third Party Advisory
• cve-assign@fb.com — Vendor Advisory
• af854a3a-2127-422b-91ae-364da2661108 — Exploit, Issue Tracking, Mailing List, Third Party Advisory
• af854a3a-2127-422b-91ae-364da2661108 — Exploit, Issue Tracking, Third Party Advisory
• af854a3a-2127-422b-91ae-364da2661108 — Vendor Advisory