CVE-2016-2118 Detail

Current Description

The MS-SAMR and MS-LSAD protocol implementations in Samba 3.x and 4.x before 4.2.11, 4.3.x before 4.3.8, and 4.4.x before 4.4.2 mishandle DCERPC connections, which allows man-in-the-middle attackers to perform protocol-downgrade attacks and impersonate users by modifying the client-server data stream, aka "BADLOCK."


View Analysis Description

Severity



CVSS 3.x Severity and Metrics:

NIST CVSS score
NIST: NVD
Base Score:  7.5 HIGH
Vector:  CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H


NVD Analysts use publicly available information to associate vector strings and CVSS scores. We also display any CVSS information provided within the CVE List from the CNA.

Note: NVD Analysts have published a CVSS score for this CVE based on publicly available information at the time of analysis. The CNA has not provided a score within the CVE List.

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://badlock.org/ Technical Description  Third Party Advisory 
http://lists.fedoraproject.org/pipermail/package-announce/2016-April/182185.html Third Party Advisory 
http://lists.fedoraproject.org/pipermail/package-announce/2016-April/182272.html Third Party Advisory 
http://lists.fedoraproject.org/pipermail/package-announce/2016-April/182288.html Third Party Advisory 
http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00020.html Third Party Advisory 
http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00021.html Third Party Advisory 
http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00022.html Third Party Advisory 
http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00023.html Third Party Advisory 
http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00024.html Third Party Advisory 
http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00042.html Third Party Advisory 
http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00047.html Third Party Advisory 
http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00048.html Third Party Advisory 
http://rhn.redhat.com/errata/RHSA-2016-0611.html Third Party Advisory 
http://rhn.redhat.com/errata/RHSA-2016-0612.html Third Party Advisory 
http://rhn.redhat.com/errata/RHSA-2016-0613.html Third Party Advisory 
http://rhn.redhat.com/errata/RHSA-2016-0614.html Third Party Advisory 
http://rhn.redhat.com/errata/RHSA-2016-0618.html Third Party Advisory 
http://rhn.redhat.com/errata/RHSA-2016-0619.html Third Party Advisory 
http://rhn.redhat.com/errata/RHSA-2016-0620.html Third Party Advisory 
http://rhn.redhat.com/errata/RHSA-2016-0621.html Third Party Advisory 
http://rhn.redhat.com/errata/RHSA-2016-0623.html Third Party Advisory 
http://rhn.redhat.com/errata/RHSA-2016-0624.html Third Party Advisory 
http://rhn.redhat.com/errata/RHSA-2016-0625.html Third Party Advisory 
http://www.debian.org/security/2016/dsa-3548 Third Party Advisory 
http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.html Third Party Advisory 
http://www.securityfocus.com/bid/86002 Third Party Advisory  VDB Entry 
http://www.securitytracker.com/id/1035533 Third Party Advisory  VDB Entry 
http://www.slackware.com/security/viewer.php?l=slackware-security&y=2016&m=slackware-security.458012 Third Party Advisory 
http://www.ubuntu.com/usn/USN-2950-1 Third Party Advisory 
http://www.ubuntu.com/usn/USN-2950-2 Third Party Advisory 
http://www.ubuntu.com/usn/USN-2950-3 Third Party Advisory 
http://www.ubuntu.com/usn/USN-2950-4 Third Party Advisory 
http://www.ubuntu.com/usn/USN-2950-5 Third Party Advisory 
https://access.redhat.com/security/vulnerabilities/badlock Third Party Advisory 
https://bto.bluecoat.com/security-advisory/sa122 Third Party Advisory 
https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05162399 Third Party Advisory 
https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05166182 Third Party Advisory 
https://help.ecostruxureit.com/display/public/UADCO8x/StruxureWare+Data+Center+Operation+Software+Vulnerability+Fixes Third Party Advisory 
https://kb.netapp.com/support/s/article/ka51A0000008SXzQAM/smb-vulnerabilities-in-multiple-netapp-products Third Party Advisory 
https://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA40196 Third Party Advisory 
https://security.gentoo.org/glsa/201612-47 Third Party Advisory 
https://www.kb.cert.org/vuls/id/813296 Third Party Advisory  US Government Resource 
https://www.samba.org/samba/history/samba-4.2.10.html Third Party Advisory 
https://www.samba.org/samba/latest_news.html#4.4.2 Third Party Advisory 
https://www.samba.org/samba/security/CVE-2016-2118.html Vendor Advisory 

Weakness Enumeration

CWE-ID CWE Name Source
CWE-254 7PK - Security Features cwe source acceptance level NIST  

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Change History

15 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2016-2118
NVD Published Date:
04/12/2016
NVD Last Modified:
09/27/2019
Source:
Red Hat, Inc.