CVE-2016-2119

HIGH

Samba 4.0.0-4.2.13 - Man-in-the-Middle Spoofing via SMB2 Session Flags

Title source: llm
STIX 2.1

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.

References (9)

Core 9
Core References
Third Party Advisory vendor-advisory x_refsource_redhat
http://rhn.redhat.com/errata/RHSA-2016-1494.html
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/91700
Third Party Advisory vendor-advisory x_refsource_redhat
http://rhn.redhat.com/errata/RHSA-2016-1486.html
Third Party Advisory vendor-advisory x_refsource_gentoo
https://security.gentoo.org/glsa/201805-07
Mailing List, Third Party Advisory vendor-advisory x_refsource_suse
http://lists.opensuse.org/opensuse-updates/2016-07/msg00060.html
Third Party Advisory vendor-advisory x_refsource_redhat
http://rhn.redhat.com/errata/RHSA-2016-1487.html
Third Party Advisory, VDB Entry vdb-entry x_refsource_sectrack
http://www.securitytracker.com/id/1036244
Vendor Advisory x_refsource_confirm
https://www.samba.org/samba/security/CVE-2016-2119.html

Scores

CVSS v3 7.5
EPSS 0.0114
EPSS Percentile 78.7%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

Details

CWE
CWE-94
Status published
Products (1)
samba/samba 4.0.0 - 4.2.14
Published Jul 07, 2016
Tracked Since Feb 18, 2026