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CVE-2021-24031

Status Candidate

Overview

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.

Related Files

Ubuntu Security Notice USN-4760-1
Posted Mar 9, 2021
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 4760-1 - It was discovered that libzstd incorrectly handled file permissions. A local attacker could possibly use this issue to access certain files, contrary to expectations.

tags | advisory, local
systems | linux, ubuntu
advisories | CVE-2021-24031
MD5 | 0c1e14501b9ec06c7fc82b3ec0f14485
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