The SMB1 protocol implementation in Samba 4.x before 4.2.11, 4.3.x...
Vulnerability Description
The SMB1 protocol implementation in Samba 4.x before 4.2.11, 4.3.x before 4.3.8, and 4.4.x before 4.4.2 does not recognize the "server signing = mandatory" setting, which allows man-in-the-middle attackers to spoof SMB servers by modifying the client-server data stream.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
Am I Vulnerable?
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Credits & Attribution
No credits recorded in the NVD database.
References
- http://www.slackware.com/security/viewer.php?l=slackware-security&y=2016&m=slackware-security.458012
- http://rhn.redhat.com/errata/RHSA-2016-0612.html
- http://www.ubuntu.com/usn/USN-2950-1
- http://www.securityfocus.com/bid/86011
- http://badlock.org/
- https://www.samba.org/samba/security/CVE-2016-2114.html
- http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.html
- http://www.ubuntu.com/usn/USN-2950-5
- https://www.samba.org/samba/history/samba-4.2.10.html
- http://lists.fedoraproject.org/pipermail/package-announce/2016-April/182185.html
- http://rhn.redhat.com/errata/RHSA-2016-0618.html
- https://www.samba.org/samba/latest_news.html#4.4.2
- http://www.securitytracker.com/id/1035533
- http://lists.fedoraproject.org/pipermail/package-announce/2016-April/182272.html
- http://rhn.redhat.com/errata/RHSA-2016-0614.html
- http://rhn.redhat.com/errata/RHSA-2016-0620.html
- http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00047.html
- https://bto.bluecoat.com/security-advisory/sa122
- http://www.ubuntu.com/usn/USN-2950-3
- http://lists.fedoraproject.org/pipermail/package-announce/2016-April/182288.html
- http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00048.html
- https://security.gentoo.org/glsa/201612-47
- http://www.debian.org/security/2016/dsa-3548
- http://www.ubuntu.com/usn/USN-2950-2
- http://www.ubuntu.com/usn/USN-2950-4
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CVSS Vectors
Weaknesses (CWE)
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MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.