CVE-2016-2115 Information

Description

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 does not require SMB signing within a DCERPC session over ncacn_np which allows man-in-the-middle attackers to spoof SMB clients by modifying the client-server data stream.

CVSS Vector

CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N

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-2016-0624.html http://www.debian.org/security/2016/dsa-3548 http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.html 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://h20566.www2.hpe.com/hpsc/doc/public/display?docId=emr_na-c05087821 https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05082964 https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05162399 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.html4.4.2 https://www.samba.org/samba/security/CVE-2016-2115.html

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

HIGH

Base Score

NONE

Base Severity

5.9