CVE-2016-2119

HighCVSS 7.5/10Last modified Jun 17, 2026

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.

Metrics

CVSS 3.1 7.5/10CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-94

Affected software

Vendor	Product	Versions
n/a	n/a	n/a

References

http://lists.opensuse.org/opensuse-updates/2016-07/msg00060.htmlMailing List, Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2016-1486.htmlThird Party Advisory
http://rhn.redhat.com/errata/RHSA-2016-1487.htmlThird Party Advisory
http://rhn.redhat.com/errata/RHSA-2016-1494.htmlThird Party Advisory
http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.htmlThird Party Advisory
http://www.securityfocus.com/bid/91700Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1036244Third Party Advisory, VDB Entry
https://security.gentoo.org/glsa/201805-07Third Party Advisory
https://www.samba.org/samba/security/CVE-2016-2119.htmlVendor Advisory
http://lists.opensuse.org/opensuse-updates/2016-07/msg00060.htmlMailing List, Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2016-1486.htmlThird Party Advisory
http://rhn.redhat.com/errata/RHSA-2016-1487.htmlThird Party Advisory
http://rhn.redhat.com/errata/RHSA-2016-1494.htmlThird Party Advisory
http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.htmlThird Party Advisory
http://www.securityfocus.com/bid/91700Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1036244Third Party Advisory, VDB Entry
https://security.gentoo.org/glsa/201805-07Third Party Advisory
https://www.samba.org/samba/security/CVE-2016-2119.htmlVendor Advisory

Timeline

Published: Jul 7, 2016
Last modified: Jun 17, 2026
NVD status: Modified

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