CVE-2017-12163 Information disclosure in Samba

What is CVE-2017-12163?

CVE-2017-12163 is a medium-severity vulnerability in Debian Debian Linux, published on 26 Jul 2018. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

Official description

An information leak flaw was found in the way SMB1 protocol was implemented by Samba before 4.4.16, 4.5.x before 4.5.14, and 4.6.x before 4.6.8. 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.

Weakness: CWE-200

Which versions are affected by CVE-2017-12163?

It affects 6 products.

Products include Debian Debian Linux, Redhat Enterprise Linux Desktop, Redhat Enterprise Linux Server, Redhat Enterprise Linux Workstation, Redhat Gluster Storage, Samba Samba.

How do I fix CVE-2017-12163?

Upgrade to a fixed version.

Is CVE-2017-12163 being exploited?

There is no known exploitation of CVE-2017-12163 in the wild and no public exploit code.

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All Debian Debian Linux vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as ALPINE-CVE-2017-12163, DEBIAN-CVE-2017-12163, ECHO-b637-4c23-e5d3, GHSA-hvhw-9wrg-hf3q, UBUNTU-CVE-2017-12163.