National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2016-2119 Detail

Description

libcli/smb/smbXcli_base.c in Samba 4.x before 4.2.14, 4.3.x before 4.3.11, and 4.4.x before 4.4.5 allows man-in-the-middle attackers to bypass a client-signing protection mechanism, and consequently spoof SMB2 and SMB3 servers, via the (1) SMB2_SESSION_FLAG_IS_GUEST or (2) SMB2_SESSION_FLAG_IS_NULL flag.

Source:  MITRE
Description Last Modified:  07/07/2016

Impact

CVSS v3.0 Severity and Metrics:

Base Score: 7.5 HIGH
Vector: AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H (V3 legend)
Impact Score: 5.9
Exploitability Score: 1.6


Attack Vector (AV): Network
Attack Complexity (AC): High
Privileges Required (PR): None
User Interaction (UI): Required
Scope (S): Unchanged
Confidentiality (C): High
Integrity (I): High
Availability (A): High

CVSS v2.0 Severity and Metrics:

Base Score: 6.8 MEDIUM
Vector: (AV:N/AC:M/Au:N/C:P/I:P/A:P) (V2 legend)
Impact Subscore: 6.4
Exploitability Subscore: 8.6


Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (AU): None
Confidentiality (C): Partial
Integrity (I): Partial
Availability (A): Partial
Additional Information:
Allows unauthorized disclosure of information
Allows unauthorized modification
Allows disruption of service

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://lists.opensuse.org/opensuse-updates/2016-07/msg00060.html
http://rhn.redhat.com/errata/RHSA-2016-1486.html
http://rhn.redhat.com/errata/RHSA-2016-1487.html
http://rhn.redhat.com/errata/RHSA-2016-1494.html
http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.html
http://www.securityfocus.com/bid/91700
http://www.securitytracker.com/id/1036244
https://security.gentoo.org/glsa/201805-07
https://www.samba.org/samba/security/CVE-2016-2119.html Vendor Advisory

Technical Details

Vulnerability Type (View All)

  • Improper Access Control (CWE-284)

Vulnerable software and versions Switch to CPE 2.2

Configuration 1
OR
cpe:2.3:a:samba:samba:4.0.0:*:*:*:*:*:*:*
cpe:2.3:a:samba:samba:4.0.1:*:*:*:*:*:*:*
cpe:2.3:a:samba:samba:4.0.2:*:*:*:*:*:*:*
cpe:2.3:a:samba:samba:4.0.3:*:*:*:*:*:*:*
cpe:2.3:a:samba:samba:4.0.4:*:*:*:*:*:*:*
cpe:2.3:a:samba:samba:4.0.5:*:*:*:*:*:*:*
cpe:2.3:a:samba:samba:4.0.6:*:*:*:*:*:*:*
cpe:2.3:a:samba:samba:4.0.7:*:*:*:*:*:*:*
cpe:2.3:a:samba:samba:4.0.8:*:*:*:*:*:*:*
cpe:2.3:a:samba:samba:4.0.9:*:*:*:*:*:*:*
cpe:2.3:a:samba:samba:4.0.10:*:*:*:*:*:*:*
cpe:2.3:a:samba:samba:4.0.11:*:*:*:*:*:*:*
cpe:2.3:a:samba:samba:4.0.12:*:*:*:*:*:*:*
cpe:2.3:a:samba:samba:4.0.13:*:*:*:*:*:*:*
cpe:2.3:a:samba:samba:4.0.14:*:*:*:*:*:*:*
cpe:2.3:a:samba:samba:4.0.15:*:*:*:*:*:*:*
cpe:2.3:a:samba:samba:4.0.16:*:*:*:*:*:*:*
cpe:2.3:a:samba:samba:4.0.17:*:*:*:*:*:*:*
cpe:2.3:a:samba:samba:4.0.18:*:*:*:*:*:*:*
cpe:2.3:a:samba:samba:4.0.19:*:*:*:*:*:*:*
cpe:2.3:a:samba:samba:4.0.20:*:*:*:*:*:*:*
cpe:2.3:a:samba:samba:4.0.21:*:*:*:*:*:*:*
cpe:2.3:a:samba:samba:4.0.22:*:*:*:*:*:*:*
cpe:2.3:a:samba:samba:4.0.23:*:*:*:*:*:*:*
cpe:2.3:a:samba:samba:4.0.24:*:*:*:*:*:*:*
cpe:2.3:a:samba:samba:4.0.25:*:*:*:*:*:*:*
cpe:2.3:a:samba:samba:4.0.26:*:*:*:*:*:*:*
cpe:2.3:a:samba:samba:4.1.0:*:*:*:*:*:*:*
cpe:2.3:a:samba:samba:4.1.1:*:*:*:*:*:*:*
cpe:2.3:a:samba:samba:4.1.2:*:*:*:*:*:*:*
cpe:2.3:a:samba:samba:4.1.3:*:*:*:*:*:*:*
cpe:2.3:a:samba:samba:4.1.4:*:*:*:*:*:*:*
cpe:2.3:a:samba:samba:4.1.5:*:*:*:*:*:*:*
cpe:2.3:a:samba:samba:4.1.6:*:*:*:*:*:*:*
cpe:2.3:a:samba:samba:4.1.7:*:*:*:*:*:*:*
cpe:2.3:a:samba:samba:4.1.8:*:*:*:*:*:*:*
cpe:2.3:a:samba:samba:4.1.9:*:*:*:*:*:*:*
cpe:2.3:a:samba:samba:4.1.10:*:*:*:*:*:*:*
cpe:2.3:a:samba:samba:4.1.11:*:*:*:*:*:*:*
cpe:2.3:a:samba:samba:4.1.12:*:*:*:*:*:*:*
cpe:2.3:a:samba:samba:4.1.13:*:*:*:*:*:*:*
cpe:2.3:a:samba:samba:4.1.14:*:*:*:*:*:*:*
cpe:2.3:a:samba:samba:4.1.15:*:*:*:*:*:*:*
cpe:2.3:a:samba:samba:4.1.16:*:*:*:*:*:*:*
cpe:2.3:a:samba:samba:4.1.17:*:*:*:*:*:*:*
cpe:2.3:a:samba:samba:4.1.18:*:*:*:*:*:*:*
cpe:2.3:a:samba:samba:4.1.19:*:*:*:*:*:*:*
cpe:2.3:a:samba:samba:4.1.20:*:*:*:*:*:*:*
cpe:2.3:a:samba:samba:4.1.21:*:*:*:*:*:*:*
cpe:2.3:a:samba:samba:4.1.22:*:*:*:*:*:*:*
cpe:2.3:a:samba:samba:4.1.23:*:*:*:*:*:*:*
cpe:2.3:a:samba:samba:4.2.0:rc1:*:*:*:*:*:*
cpe:2.3:a:samba:samba:4.2.0:rc2:*:*:*:*:*:*
cpe:2.3:a:samba:samba:4.2.0:rc3:*:*:*:*:*:*
cpe:2.3:a:samba:samba:4.2.0:rc4:*:*:*:*:*:*
cpe:2.3:a:samba:samba:4.2.1:*:*:*:*:*:*:*
cpe:2.3:a:samba:samba:4.2.2:*:*:*:*:*:*:*
cpe:2.3:a:samba:samba:4.2.3:*:*:*:*:*:*:*
cpe:2.3:a:samba:samba:4.2.4:*:*:*:*:*:*:*
cpe:2.3:a:samba:samba:4.2.5:*:*:*:*:*:*:*
cpe:2.3:a:samba:samba:4.2.6:*:*:*:*:*:*:*
cpe:2.3:a:samba:samba:4.2.7:*:*:*:*:*:*:*
cpe:2.3:a:samba:samba:4.2.8:*:*:*:*:*:*:*
cpe:2.3:a:samba:samba:4.2.10:*:*:*:*:*:*:*
cpe:2.3:a:samba:samba:4.2.11:*:*:*:*:*:*:*
cpe:2.3:a:samba:samba:4.2.12:*:*:*:*:*:*:*
cpe:2.3:a:samba:samba:4.2.13:*:*:*:*:*:*:*
cpe:2.3:a:samba:samba:4.2.14:*:*:*:*:*:*:*
cpe:2.3:a:samba:samba:4.3.0:*:*:*:*:*:*:*
cpe:2.3:a:samba:samba:4.3.1:*:*:*:*:*:*:*
cpe:2.3:a:samba:samba:4.3.2:*:*:*:*:*:*:*
cpe:2.3:a:samba:samba:4.3.3:*:*:*:*:*:*:*
cpe:2.3:a:samba:samba:4.3.4:*:*:*:*:*:*:*
cpe:2.3:a:samba:samba:4.3.5:*:*:*:*:*:*:*
cpe:2.3:a:samba:samba:4.3.6:*:*:*:*:*:*:*
cpe:2.3:a:samba:samba:4.3.8:*:*:*:*:*:*:*
cpe:2.3:a:samba:samba:4.3.9:*:*:*:*:*:*:*
cpe:2.3:a:samba:samba:4.3.10:*:*:*:*:*:*:*
cpe:2.3:a:samba:samba:4.3.11:*:*:*:*:*:*:*
cpe:2.3:a:samba:samba:4.4.0:*:*:*:*:*:*:*
cpe:2.3:a:samba:samba:4.4.0:rc1:*:*:*:*:*:*
cpe:2.3:a:samba:samba:4.4.0:rc2:*:*:*:*:*:*
cpe:2.3:a:samba:samba:4.4.0:rc3:*:*:*:*:*:*
cpe:2.3:a:samba:samba:4.4.2:*:*:*:*:*:*:*
cpe:2.3:a:samba:samba:4.4.3:*:*:*:*:*:*:*
cpe:2.3:a:samba:samba:4.4.4:*:*:*:*:*:*:*

Denotes Vulnerable Software
Are we missing a CPE here? Please let us know.

Change History

6 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2016-2119
NVD Published Date:
07/07/2016
NVD Last Modified:
10/21/2018