Security vulnerability: Samba directory traversal CVE-2021-43566
This document (000020571) is provided subject to the disclaimer at the end of this document.
For older service packs please apply the mitigations.
A mitigation is to disable SMB1 (already default disabled in Samba 4.11 and newer), or if SMB1 is required for compatibility reasons disable the UNIX extensions by setting:
unix extensions = no
in the [global] section of /etc/samba/smb.conf and restarting Samba
after the change.
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- Document ID:000020571
- Creation Date: 31-Jan-2022
- Modified Date:31-Jan-2022
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