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Debian Security Advisory DSA 4513-1 (samba - security update)
Information
Severity
Severity
Family
Family
CVSSv2 Base
CVSSv2 Base
CVSSv2 Vector
CVSSv2 Vector
Solution Type
Solution Type
Created
Created
Modified
Modified
Summary
The remote host is missing an update for the 'samba' package(s) announced via the DSA-4513-1 advisory.
Insight
Insight
Stefan Metzmacher discovered a flaw in Samba, a SMB/CIFS file, print, and login server for Unix. Specific combinations of parameters and permissions can allow user to escape from the share path definition and see the complete '/' filesystem. Unix permission checks in the kernel are still enforced. Details can be found in the upstream advisory linked in the references.
Affected Software
Affected Software
'samba' package(s) on Debian Linux.
Detection Method
Detection Method
Checks if a vulnerable package version is present on the target host.
Solution
Solution
For the stable distribution (buster), this problem has been fixed in version 2:4.9.5+dfsg-5+deb10u1. We recommend that you upgrade your samba packages.