CVE-2017-12163

An information leak flaw was found in the way SMB1 protocol was implemented by Samba. A malicious client could use this flaw to dump server memory contents to a file on the samba share or to a shared printer, though the exact area of server memory cannot be controlled by the attacker.

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

As this is an SMB1-only vulnerability, it can be avoided by setting the server to only use SMB2 via adding:

server min protocol = SMB2_02

to the [global] section of your smb.conf and restarting smbd.