CVE-2021-24031
5.5MEDIUMIn 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 fi
Published: 3/4/2021Updated: 11/21/2024
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.
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Affected Products
facebookzstandard
References
- https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=981404ExploitIssue TrackingMailing ListThird Party Advisory
- https://github.com/facebook/zstd/issues/1630ExploitIssue TrackingThird Party Advisory
- https://www.facebook.com/security/advisories/cve-2021-24031Vendor Advisory
- https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=981404ExploitIssue TrackingMailing ListThird Party Advisory
- https://github.com/facebook/zstd/issues/1630ExploitIssue TrackingThird Party Advisory
- https://www.facebook.com/security/advisories/cve-2021-24031Vendor Advisory