CVE-2016-2119

7.5 HIGH
Published: July 07, 2016 Modified: May 06, 2026
View on NVD

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.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
http://lists.opensuse.org/opensuse-updates/2016-07/msg00060.html
Source: secalert@redhat.com
Mailing List Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2016-1486.html
Source: secalert@redhat.com
Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2016-1487.html
Source: secalert@redhat.com
Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2016-1494.html
Source: secalert@redhat.com
Third Party Advisory
http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.html
Source: secalert@redhat.com
Third Party Advisory
http://www.securityfocus.com/bid/91700
Source: secalert@redhat.com
Third Party Advisory VDB Entry
http://www.securitytracker.com/id/1036244
Source: secalert@redhat.com
Third Party Advisory VDB Entry
https://security.gentoo.org/glsa/201805-07
Source: secalert@redhat.com
Third Party Advisory
https://www.samba.org/samba/security/CVE-2016-2119.html
Source: secalert@redhat.com
Vendor Advisory
http://lists.opensuse.org/opensuse-updates/2016-07/msg00060.html
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing List Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2016-1486.html
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2016-1487.html
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2016-1494.html
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.html
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
http://www.securityfocus.com/bid/91700
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory VDB Entry
http://www.securitytracker.com/id/1036244
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory VDB Entry
https://security.gentoo.org/glsa/201805-07
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
https://www.samba.org/samba/security/CVE-2016-2119.html
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory

18 reference(s) from NVD

Quick Stats

CVSS v3 Score
7.5 / 10.0
EPSS (Exploit Probability)
1.5%
81th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

CWE-94

Affected Vendors

samba

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