Vulnerability Details CVE-2021-24031
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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.0
EPSS Ranking 4.2%
CVSS Severity
CVSS v3 Score 5.5
CVSS v2 Score 2.1
References
- https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=981404
- https://github.com/facebook/zstd/issues/1630
- https://www.facebook.com/security/advisories/cve-2021-24031
- https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=981404
- https://github.com/facebook/zstd/issues/1630
- https://www.facebook.com/security/advisories/cve-2021-24031
Products affected by CVE-2021-24031
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cpe:2.3:a:facebook:zstandard:-
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cpe:2.3:a:facebook:zstandard:0.1.0
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cpe:2.3:a:facebook:zstandard:0.1.1
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cpe:2.3:a:facebook:zstandard:0.1.2
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cpe:2.3:a:facebook:zstandard:0.1.3
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cpe:2.3:a:facebook:zstandard:0.2.0
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cpe:2.3:a:facebook:zstandard:0.2.1
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cpe:2.3:a:facebook:zstandard:0.2.2
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cpe:2.3:a:facebook:zstandard:0.3.0
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cpe:2.3:a:facebook:zstandard:0.3.1
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cpe:2.3:a:facebook:zstandard:0.3.2
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cpe:2.3:a:facebook:zstandard:0.3.3
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cpe:2.3:a:facebook:zstandard:0.3.4
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cpe:2.3:a:facebook:zstandard:0.3.5
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cpe:2.3:a:facebook:zstandard:0.3.6
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cpe:2.3:a:facebook:zstandard:0.4.0
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cpe:2.3:a:facebook:zstandard:0.4.1
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cpe:2.3:a:facebook:zstandard:0.4.2
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cpe:2.3:a:facebook:zstandard:0.4.3
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cpe:2.3:a:facebook:zstandard:0.4.4
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cpe:2.3:a:facebook:zstandard:0.4.5
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cpe:2.3:a:facebook:zstandard:0.4.6
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cpe:2.3:a:facebook:zstandard:0.4.7
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cpe:2.3:a:facebook:zstandard:0.5.0
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cpe:2.3:a:facebook:zstandard:0.5.1
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cpe:2.3:a:facebook:zstandard:0.6.0
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cpe:2.3:a:facebook:zstandard:0.6.1
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cpe:2.3:a:facebook:zstandard:0.6.2
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cpe:2.3:a:facebook:zstandard:0.7.0
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cpe:2.3:a:facebook:zstandard:0.7.1
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cpe:2.3:a:facebook:zstandard:0.7.2
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cpe:2.3:a:facebook:zstandard:0.7.3
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cpe:2.3:a:facebook:zstandard:0.7.4
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cpe:2.3:a:facebook:zstandard:0.7.5
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cpe:2.3:a:facebook:zstandard:0.8.0
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cpe:2.3:a:facebook:zstandard:0.8.1
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cpe:2.3:a:facebook:zstandard:1.0.0
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cpe:2.3:a:facebook:zstandard:1.1.0
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cpe:2.3:a:facebook:zstandard:1.1.1
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cpe:2.3:a:facebook:zstandard:1.1.2
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cpe:2.3:a:facebook:zstandard:1.1.3
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cpe:2.3:a:facebook:zstandard:1.1.4
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cpe:2.3:a:facebook:zstandard:1.2.0
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cpe:2.3:a:facebook:zstandard:1.3.0
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cpe:2.3:a:facebook:zstandard:1.3.1
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cpe:2.3:a:facebook:zstandard:1.3.2
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cpe:2.3:a:facebook:zstandard:1.3.3
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cpe:2.3:a:facebook:zstandard:1.3.4
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cpe:2.3:a:facebook:zstandard:1.3.5
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cpe:2.3:a:facebook:zstandard:1.3.6
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cpe:2.3:a:facebook:zstandard:1.3.7
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cpe:2.3:a:facebook:zstandard:1.3.8
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cpe:2.3:a:facebook:zstandard:1.4.0