VulnerabilityModified
CVE-2016-2114
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…
MEDIUM 5.9EPSS 2.60%
Does this matter?
Lower severity and a low EPSS score (2.60%). Track it; it rarely justifies an emergency change on its own.
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 3.0
- 5.9 MEDIUMCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
- EPSS
- 2.60% probability · 84th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-254
- Affected
- samba/samba · canonical/ubuntu linux
- Source
- secalert@redhat.com
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.html
- 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=slackware-security.458012
- http://www.ubuntu.com/usn/USN-2950-1
- http://www.ubuntu.com/usn/USN-2950-2
- http://www.ubuntu.com/usn/USN-2950-3
- http://www.ubuntu.com/usn/USN-2950-4
- http://www.ubuntu.com/usn/USN-2950-5
- https://bto.bluecoat.com/security-advisory/sa122
- https://security.gentoo.org/glsa/201612-47
- https://www.samba.org/samba/history/samba-4.2.10.html
- https://www.samba.org/samba/latest_news.html#4.4.2
- https://www.samba.org/samba/security/CVE-2016-2114.htmlPatch, Vendor Advisory
- 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
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.