Vulnerability Monitor

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CVE-2016-2119

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.

Published

2016-07-07T15:59:00.133

Last Modified

2025-04-12T10:46:40.837

Status

Deferred

Source

[email protected]

Severity

CVSSv3.1: 7.5 (HIGH)

CVSSv2 Vector

AV:N/AC:M/Au:N/C:P/I:P/A:P

Access Vector: NETWORK
Access Complexity: MEDIUM
Authentication: NONE
Confidentiality Impact: PARTIAL
Integrity Impact: PARTIAL
Availability Impact: PARTIAL

Exploitability Score

8.6

Impact Score

6.4

Weaknesses

Type: Primary
CWE-94

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	samba	samba	< 4.2.14	Yes
Application	samba	samba	< 4.3.11	Yes
Application	samba	samba	< 4.4.5	Yes

References

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