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CVE-2016-2110

Good to know:

Date: April 24, 2016

The NTLMSSP authentication implementation 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 allows man-in-the-middle attackers to perform protocol-downgrade attacks by modifying the client-server data stream to remove application-layer flags or encryption settings, as demonstrated by clearing the NTLMSSP_NEGOTIATE_SEAL or NTLMSSP_NEGOTIATE_SIGN option to disrupt LDAP security.

Language: C

Severity Score

5.9

Related Resources (47)

Url: http://www.debian.org/security/2016/dsa-3548

Url: http://rhn.redhat.com/errata/RHSA-2016-0612.html

Url: http://lists.fedoraproject.org/pipermail/package-announce/2016-April/182272.html

Url: https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05162399

Url: https://nvd.nist.gov/vuln/detail/CVE-2016-2110

Url: http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00042.html

Url: http://rhn.redhat.com/errata/RHSA-2016-0620.html

Url: http://www.ubuntu.com/usn/USN-2950-5

Url: http://www.ubuntu.com/usn/USN-2950-4

Url: http://www.ubuntu.com/usn/USN-2950-3

Url: http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00023.html

Url: http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00020.html

Url: https://www.samba.org/samba/latest_news.html#4.4.2

Url: http://www.ubuntu.com/usn/USN-2950-2

Url: http://lists.opensuse.org/opensuse-updates/2016-05/msg00124.html

Url: http://www.ubuntu.com/usn/USN-2950-1

Url: http://badlock.org/

Url: http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00022.html

Url: https://access.redhat.com/security/cve/CVE-2016-2110

Url: http://www.oracle.com/technetwork/topics/security/linuxbulletinapr2016-2952096.html

Url: https://www.samba.org/samba/security/CVE-2016-2110.html

Url: http://rhn.redhat.com/errata/RHSA-2016-0623.html

Url: http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00048.html

Url: https://www.samba.org/samba/history/samba-4.2.10.html

Url: http://rhn.redhat.com/errata/RHSA-2016-0618.html

Url: http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00021.html

Url: https://security-tracker.debian.org/tracker/CVE-2016-2110

Url: http://lists.fedoraproject.org/pipermail/package-announce/2016-April/182185.html

Url: https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05082964

Url: http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00046.html

Url: http://rhn.redhat.com/errata/RHSA-2016-0619.html

Url: https://h20566.www2.hpe.com/hpsc/doc/public/display?docId=emr_na-c05087821

Url: http://rhn.redhat.com/errata/RHSA-2016-0611.html

Url: http://lists.fedoraproject.org/pipermail/package-announce/2016-April/182288.html

Url: http://rhn.redhat.com/errata/RHSA-2016-0625.html

Url: http://rhn.redhat.com/errata/RHSA-2016-0614.html

Url: http://rhn.redhat.com/errata/RHSA-2016-0624.html

Url: http://rhn.redhat.com/errata/RHSA-2016-0621.html

Url: http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00047.html

Url: https://bto.bluecoat.com/security-advisory/sa122

Url: http://www.slackware.com/security/viewer.php?l=slackware-security&y=2016&m=slackware-security.458012

Url: http://www.securitytracker.com/id/1035533

Url: https://security.gentoo.org/glsa/201612-47

Url: https://people.canonical.com/~ubuntu-security/cve/CVE-2016-2110

Url: http://rhn.redhat.com/errata/RHSA-2016-0613.html

Url: http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00024.html

Url: https://www.mend.io/vulnerability-database/CVE-2016-2110

Severity Score

5.9

Weakness Type (CWE)

Security Features

CWE-254

Top Fix

Upgrade Version

Upgrade to version 4.2.11,4.3.8,4.4.2

Learn More

CVSS v3.1

Base Score:	5.9
Attack Vector (AV):	NETWORK
Attack Complexity (AC):	HIGH
Privileges Required (PR):	NONE
User Interaction (UI):	NONE
Scope (S):	UNCHANGED
Confidentiality (C):	NONE
Integrity (I):	HIGH
Availability (A):	NONE

CVSS v2

Base Score:	4.3
Access Vector (AV):	NETWORK
Access Complexity (AC):	MEDIUM
Authentication (AU):	NONE
Confidentiality (C):	NONE
Integrity (I):	PARTIAL
Availability (A):	NONE
Additional information:

Mend.io Vulnerability Database

We found results for “”

CVE-2016-2110

Good to know:

Date: April 24, 2016

Language: C

Severity Score

Related Resources (47)

Severity Score

Weakness Type (CWE)

Top Fix

Upgrade Version

CVSS v3.1

CVSS v2

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