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Debian Security Advisory DSA 4513-1 (samba - security update)

Information

Severity

Severity

Medium

Family

Family

Debian Local Security Checks

CVSSv2 Base

CVSSv2 Base

5.0

CVSSv2 Vector

CVSSv2 Vector

AV:N/AC:L/Au:N/C:P/I:N/A:N

Solution Type

Solution Type

Vendor Patch

Created

Created

3 years ago

Modified

Modified

3 years ago

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.

Common Vulnerabilities and Exposures (CVE)