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Samba >= 4.0.0 Bypass Access Restrictions Vulnerability (CVE-2013-6442)
Information
Severity
Severity
Medium
Family
Family
General
CVSSv2 Base
CVSSv2 Base
5.8
CVSSv2 Vector
CVSSv2 Vector
AV:N/AC:M/Au:N/C:P/I:P/A:N
Solution Type
Solution Type
Vendor Patch
Created
Created
2 years ago
Modified
Modified
2 years ago
Summary
smbcacls can remove a file or directory ACL by mistake.
Insight
Insight
Samba versions 4.0.0 and above have a flaw in the smbcacls command. If smbcacls is used with the '--chown name' or '--chgrp name' command options it will remove the existing ACL on the object being modified, leaving the file or directory unprotected.
Affected Software
Affected Software
Samba versions 4.0.0 through 4.0.15, and 4.1.0 through 4.1.5.
Detection Method
Detection Method
Checks if a vulnerable version is present on the target host.
Solution
Solution
Update to version 4.0.16, 4.1.6 or later.