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.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Samba | Samba | 4.0.0 |
| Canonical | Ubuntu Linux | 14.04 |
Related Weaknesses (CWE)
References
- http://badlock.org/
- http://lists.fedoraproject.org/pipermail/package-announce/2016-April/182185.html
- http://lists.fedoraproject.org/pipermail/package-announce/2016-April/182272.html
- http://lists.fedoraproject.org/pipermail/package-announce/2016-April/182288.html
- http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00047.html
- http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00048.html
- http://rhn.redhat.com/errata/RHSA-2016-0612.html
- http://rhn.redhat.com/errata/RHSA-2016-0614.html
- http://rhn.redhat.com/errata/RHSA-2016-0618.html
- http://rhn.redhat.com/errata/RHSA-2016-0620.html
- http://www.debian.org/security/2016/dsa-3548
- http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.h
- http://www.securityfocus.com/bid/86011
- http://www.securitytracker.com/id/1035533
- http://www.slackware.com/security/viewer.php?l=slackware-security&y=2016&m=slack
FAQ
What is CVE-2016-2114?
CVE-2016-2114 is a vulnerability with a CVSS score of 5.9 (MEDIUM). 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 atta...
How severe is CVE-2016-2114?
CVE-2016-2114 has been rated MEDIUM with a CVSS base score of 5.9/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2016-2114?
Check the references section above for vendor advisories and patch information. Affected products include: Samba Samba, Canonical Ubuntu Linux.