CVE-2016-2118 Information

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.\

CVSS Vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

Reference

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/msg00020.html http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00021.html http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00022.html http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00023.html http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00024.html http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00042.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-2016-0611.html http://rhn.redhat.com/errata/RHSA-2016-0612.html http://rhn.redhat.com/errata/RHSA-2016-0613.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-2016-0619.html http://rhn.redhat.com/errata/RHSA-2016-0620.html http://rhn.redhat.com/errata/RHSA-2016-0621.html http://rhn.redhat.com/errata/RHSA-2016-0623.html http://rhn.redhat.com/errata/RHSA-2016-0624.html http://rhn.redhat.com/errata/RHSA-2016-0625.html http://www.debian.org/security/2016/dsa-3548 http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.html http://www.securityfocus.com/bid/86002 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://access.redhat.com/security/vulnerabilities/badlock https://bto.bluecoat.com/security-advisory/sa122 https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05162399 https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05166182 https://help.ecostruxureit.com/display/public/UADCO8x/StruxureWare+Data+Center+Operation+Software+Vulnerability+Fixes https://kb.netapp.com/support/s/article/ka51A0000008SXzQAM/smb-vulnerabilities-in-multiple-netapp-products https://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA40196 https://security.gentoo.org/glsa/201612-47 https://www.kb.cert.org/vuls/id/813296 https://www.samba.org/samba/history/samba-4.2.10.html https://www.samba.org/samba/latest_news.html4.4.2 https://www.samba.org/samba/security/CVE-2016-2118.html

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction Required

NONE

Scope

REQUIRED

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

7.5