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.
Code Injection
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
7.5 HIGH
NETWORK
HIGH
NONE
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 78%
Affected Products (NVD)
VendorProductVersion
sambasamba
4.0.0 ≤
𝑥
< 4.2.14
sambasamba
4.3.0 ≤
𝑥
< 4.3.11
sambasamba
4.4.0 ≤
𝑥
< 4.4.5
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
samba
bookworm
2:4.17.12+dfsg-0+deb12u1
fixed
bookworm (security)
2:4.17.12+dfsg-0+deb12u1
fixed
bullseye
2:4.13.13+dfsg-1~deb11u6
fixed
bullseye (security)
2:4.13.13+dfsg-1~deb11u6
fixed
sid
2:4.21.1+dfsg-2
fixed
trixie
2:4.21.1+dfsg-2
fixed
wheezy
not-affected
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
samba
precise
not-affected
trusty
Fixed 2:4.3.11+dfsg-0ubuntu0.14.04.1
released
wily
ignored
xenial
Fixed 2:4.3.11+dfsg-0ubuntu0.16.04.1
released
yakkety
not-affected
zesty
not-affected
samba4
precise
ignored
trusty
dne
wily
dne
xenial
dne
yakkety
dne
zesty
dne
openSUSE logo
openSUSE / SLES Releases
openSUSE Product
Release
ctdb
suse enterprise server 12
4.2.4-18.27.9
fixed
libdcerpc-binding0
suse enterprise sap 12 SP1
4.2.4-26.2
fixed
suse enterprise server 12
4.2.4-18.27.9
fixed
suse enterprise server 12 SP1
4.2.4-26.2
fixed
libdcerpc-binding0-32bit
suse enterprise sap 12 SP1
4.2.4-26.2
fixed
suse enterprise server 12
4.2.4-18.27.9
fixed
suse enterprise server 12 SP1
4.2.4-26.2
fixed
libdcerpc0
suse enterprise sap 12 SP1
4.2.4-26.2
fixed
suse enterprise server 12
4.2.4-18.27.9
fixed
suse enterprise server 12 SP1
4.2.4-26.2
fixed
libdcerpc0-32bit
suse enterprise sap 12 SP1
4.2.4-26.2
fixed
suse enterprise server 12
4.2.4-18.27.9
fixed
suse enterprise server 12 SP1
4.2.4-26.2
fixed
libgensec0
suse enterprise sap 12 SP1
4.2.4-26.2
fixed
suse enterprise server 12
4.2.4-18.27.9
fixed
suse enterprise server 12 SP1
4.2.4-26.2
fixed
libgensec0-32bit
suse enterprise sap 12 SP1
4.2.4-26.2
fixed
suse enterprise server 12
4.2.4-18.27.9
fixed
suse enterprise server 12 SP1
4.2.4-26.2
fixed
libndr-krb5pac0
suse enterprise sap 12 SP1
4.2.4-26.2
fixed
suse enterprise server 12
4.2.4-18.27.9
fixed
suse enterprise server 12 SP1
4.2.4-26.2
fixed
libndr-krb5pac0-32bit
suse enterprise sap 12 SP1
4.2.4-26.2
fixed
suse enterprise server 12
4.2.4-18.27.9
fixed
suse enterprise server 12 SP1
4.2.4-26.2
fixed
libndr-nbt0
suse enterprise sap 12 SP1
4.2.4-26.2
fixed
suse enterprise server 12
4.2.4-18.27.9
fixed
suse enterprise server 12 SP1
4.2.4-26.2
fixed
libndr-nbt0-32bit
suse enterprise sap 12 SP1
4.2.4-26.2
fixed
suse enterprise server 12
4.2.4-18.27.9
fixed
suse enterprise server 12 SP1
4.2.4-26.2
fixed
libndr-standard0
suse enterprise sap 12 SP1
4.2.4-26.2
fixed
suse enterprise server 12
4.2.4-18.27.9
fixed
suse enterprise server 12 SP1
4.2.4-26.2
fixed
libndr-standard0-32bit
suse enterprise sap 12 SP1
4.2.4-26.2
fixed
suse enterprise server 12
4.2.4-18.27.9
fixed
suse enterprise server 12 SP1
4.2.4-26.2
fixed
libndr0
suse enterprise sap 12 SP1
4.2.4-26.2
fixed
suse enterprise server 12
4.2.4-18.27.9
fixed
suse enterprise server 12 SP1
4.2.4-26.2
fixed
libndr0-32bit
suse enterprise sap 12 SP1
4.2.4-26.2
fixed
suse enterprise server 12
4.2.4-18.27.9
fixed
suse enterprise server 12 SP1
4.2.4-26.2
fixed
libnetapi0
suse enterprise sap 12 SP1
4.2.4-26.2
fixed
suse enterprise server 12
4.2.4-18.27.9
fixed
suse enterprise server 12 SP1
4.2.4-26.2
fixed
libnetapi0-32bit
suse enterprise sap 12 SP1
4.2.4-26.2
fixed
suse enterprise server 12
4.2.4-18.27.9
fixed
suse enterprise server 12 SP1
4.2.4-26.2
fixed
libregistry0
suse enterprise sap 12 SP1
4.2.4-26.2
fixed
suse enterprise server 12
4.2.4-18.27.9
fixed
suse enterprise server 12 SP1
4.2.4-26.2
fixed
libsamba-credentials0
suse enterprise sap 12 SP1
4.2.4-26.2
fixed
suse enterprise server 12
4.2.4-18.27.9
fixed
suse enterprise server 12 SP1
4.2.4-26.2
fixed
libsamba-credentials0-32bit
suse enterprise sap 12 SP1
4.2.4-26.2
fixed
suse enterprise server 12
4.2.4-18.27.9
fixed
suse enterprise server 12 SP1
4.2.4-26.2
fixed
libsamba-hostconfig0
suse enterprise sap 12 SP1
4.2.4-26.2
fixed
suse enterprise server 12
4.2.4-18.27.9
fixed
suse enterprise server 12 SP1
4.2.4-26.2
fixed
libsamba-hostconfig0-32bit
suse enterprise sap 12 SP1
4.2.4-26.2
fixed
suse enterprise server 12
4.2.4-18.27.9
fixed
suse enterprise server 12 SP1
4.2.4-26.2
fixed
libsamba-passdb0
suse enterprise sap 12 SP1
4.2.4-26.2
fixed
suse enterprise server 12
4.2.4-18.27.9
fixed
suse enterprise server 12 SP1
4.2.4-26.2
fixed
libsamba-passdb0-32bit
suse enterprise sap 12 SP1
4.2.4-26.2
fixed
suse enterprise server 12
4.2.4-18.27.9
fixed
suse enterprise server 12 SP1
4.2.4-26.2
fixed
libsamba-util0
suse enterprise sap 12 SP1
4.2.4-26.2
fixed
suse enterprise server 12
4.2.4-18.27.9
fixed
suse enterprise server 12 SP1
4.2.4-26.2
fixed
libsamba-util0-32bit
suse enterprise sap 12 SP1
4.2.4-26.2
fixed
suse enterprise server 12
4.2.4-18.27.9
fixed
suse enterprise server 12 SP1
4.2.4-26.2
fixed
libsamdb0
suse enterprise sap 12 SP1
4.2.4-26.2
fixed
suse enterprise server 12
4.2.4-18.27.9
fixed
suse enterprise server 12 SP1
4.2.4-26.2
fixed
libsamdb0-32bit
suse enterprise sap 12 SP1
4.2.4-26.2
fixed
suse enterprise server 12
4.2.4-18.27.9
fixed
suse enterprise server 12 SP1
4.2.4-26.2
fixed
libsmbclient-raw0
suse enterprise sap 12 SP1
4.2.4-26.2
fixed
suse enterprise server 12
4.2.4-18.27.9
fixed
suse enterprise server 12 SP1
4.2.4-26.2
fixed
libsmbclient-raw0-32bit
suse enterprise sap 12 SP1
4.2.4-26.2
fixed
suse enterprise server 12
4.2.4-18.27.9
fixed
suse enterprise server 12 SP1
4.2.4-26.2
fixed
libsmbclient0
suse enterprise sap 12 SP1
4.2.4-26.2
fixed
suse enterprise server 12
4.2.4-18.27.9
fixed
suse enterprise server 12 SP1
4.2.4-26.2
fixed
libsmbclient0-32bit
suse enterprise sap 12 SP1
4.2.4-26.2
fixed
suse enterprise server 12
4.2.4-18.27.9
fixed
suse enterprise server 12 SP1
4.2.4-26.2
fixed
libsmbconf0
suse enterprise sap 12 SP1
4.2.4-26.2
fixed
suse enterprise server 12
4.2.4-18.27.9
fixed
suse enterprise server 12 SP1
4.2.4-26.2
fixed
libsmbconf0-32bit
suse enterprise sap 12 SP1
4.2.4-26.2
fixed
suse enterprise server 12
4.2.4-18.27.9
fixed
suse enterprise server 12 SP1
4.2.4-26.2
fixed
libsmbldap0
suse enterprise sap 12 SP1
4.2.4-26.2
fixed
suse enterprise server 12
4.2.4-18.27.9
fixed
suse enterprise server 12 SP1
4.2.4-26.2
fixed
libsmbldap0-32bit
suse enterprise sap 12 SP1
4.2.4-26.2
fixed
suse enterprise server 12
4.2.4-18.27.9
fixed
suse enterprise server 12 SP1
4.2.4-26.2
fixed
libtevent-util0
suse enterprise sap 12 SP1
4.2.4-26.2
fixed
suse enterprise server 12
4.2.4-18.27.9
fixed
suse enterprise server 12 SP1
4.2.4-26.2
fixed
libtevent-util0-32bit
suse enterprise sap 12 SP1
4.2.4-26.2
fixed
suse enterprise server 12
4.2.4-18.27.9
fixed
suse enterprise server 12 SP1
4.2.4-26.2
fixed
libwbclient0
suse enterprise sap 12 SP1
4.2.4-26.2
fixed
suse enterprise server 12
4.2.4-18.27.9
fixed
suse enterprise server 12 SP1
4.2.4-26.2
fixed
libwbclient0-32bit
suse enterprise sap 12 SP1
4.2.4-26.2
fixed
suse enterprise server 12
4.2.4-18.27.9
fixed
suse enterprise server 12 SP1
4.2.4-26.2
fixed
samba
suse enterprise sap 12 SP1
4.2.4-26.2
fixed
suse enterprise server 12
4.2.4-18.27.9
fixed
suse enterprise server 12 SP1
4.2.4-26.2
fixed
samba-32bit
suse enterprise sap 12 SP1
4.2.4-26.2
fixed
suse enterprise server 12
4.2.4-18.27.9
fixed
suse enterprise server 12 SP1
4.2.4-26.2
fixed
samba-client
suse enterprise sap 12 SP1
4.2.4-26.2
fixed
suse enterprise server 12
4.2.4-18.27.9
fixed
suse enterprise server 12 SP1
4.2.4-26.2
fixed
samba-client-32bit
suse enterprise sap 12 SP1
4.2.4-26.2
fixed
suse enterprise server 12
4.2.4-18.27.9
fixed
suse enterprise server 12 SP1
4.2.4-26.2
fixed
samba-doc
suse enterprise sap 12 SP1
4.2.4-26.2
fixed
suse enterprise server 12
4.2.4-18.27.9
fixed
suse enterprise server 12 SP1
4.2.4-26.2
fixed
samba-libs
suse enterprise sap 12 SP1
4.2.4-26.2
fixed
suse enterprise server 12
4.2.4-18.27.9
fixed
suse enterprise server 12 SP1
4.2.4-26.2
fixed
samba-libs-32bit
suse enterprise sap 12 SP1
4.2.4-26.2
fixed
suse enterprise server 12
4.2.4-18.27.9
fixed
suse enterprise server 12 SP1
4.2.4-26.2
fixed
samba-winbind
suse enterprise sap 12 SP1
4.2.4-26.2
fixed
suse enterprise server 12
4.2.4-18.27.9
fixed
suse enterprise server 12 SP1
4.2.4-26.2
fixed
samba-winbind-32bit
suse enterprise sap 12 SP1
4.2.4-26.2
fixed
suse enterprise server 12
4.2.4-18.27.9
fixed
suse enterprise server 12 SP1
4.2.4-26.2
fixed
Red Hat logo
Red Hat Enterprise Linux Releases
Red Hat Product
Release
ctdb
RHEL 7
0:4.2.10-7.el7_2
fixed
ctdb-devel
RHEL 7
0:4.2.10-7.el7_2
fixed
ctdb-tests
RHEL 7
0:4.2.10-7.el7_2
fixed
libsmbclient
RHEL 7
0:4.2.10-7.el7_2
fixed
libsmbclient-devel
RHEL 7
0:4.2.10-7.el7_2
fixed
libwbclient
RHEL 7
0:4.2.10-7.el7_2
fixed
libwbclient-devel
RHEL 7
0:4.2.10-7.el7_2
fixed
samba
RHEL 7
0:4.2.10-7.el7_2
fixed
samba-client
RHEL 7
0:4.2.10-7.el7_2
fixed
samba-client-libs
RHEL 7
0:4.2.10-7.el7_2
fixed
samba-common
RHEL 7
0:4.2.10-7.el7_2
fixed
samba-common-libs
RHEL 7
0:4.2.10-7.el7_2
fixed
samba-common-tools
RHEL 7
0:4.2.10-7.el7_2
fixed
samba-dc
RHEL 7
0:4.2.10-7.el7_2
fixed
samba-dc-libs
RHEL 7
0:4.2.10-7.el7_2
fixed
samba-devel
RHEL 7
0:4.2.10-7.el7_2
fixed
samba-libs
RHEL 7
0:4.2.10-7.el7_2
fixed
samba-pidl
RHEL 7
0:4.2.10-7.el7_2
fixed
samba-python
RHEL 7
0:4.2.10-7.el7_2
fixed
samba-test
RHEL 7
0:4.2.10-7.el7_2
fixed
samba-test-devel
RHEL 7
0:4.2.10-7.el7_2
fixed
samba-test-libs
RHEL 7
0:4.2.10-7.el7_2
fixed
samba-vfs-glusterfs
RHEL 7
0:4.2.10-7.el7_2
fixed
samba-winbind
RHEL 7
0:4.2.10-7.el7_2
fixed
samba-winbind-clients
RHEL 7
0:4.2.10-7.el7_2
fixed
samba-winbind-krb5-locator
RHEL 7
0:4.2.10-7.el7_2
fixed
samba-winbind-modules
RHEL 7
0:4.2.10-7.el7_2
fixed
samba4
RHEL 6
0:4.2.10-7.el6_8
fixed
samba4-client
RHEL 6
0:4.2.10-7.el6_8
fixed
samba4-common
RHEL 6
0:4.2.10-7.el6_8
fixed
samba4-dc
RHEL 6
0:4.2.10-7.el6_8
fixed
samba4-dc-libs
RHEL 6
0:4.2.10-7.el6_8
fixed
samba4-devel
RHEL 6
0:4.2.10-7.el6_8
fixed
samba4-libs
RHEL 6
0:4.2.10-7.el6_8
fixed
samba4-pidl
RHEL 6
0:4.2.10-7.el6_8
fixed
samba4-python
RHEL 6
0:4.2.10-7.el6_8
fixed
samba4-test
RHEL 6
0:4.2.10-7.el6_8
fixed
samba4-winbind
RHEL 6
0:4.2.10-7.el6_8
fixed
samba4-winbind-clients
RHEL 6
0:4.2.10-7.el6_8
fixed
samba4-winbind-krb5-locator
RHEL 6
0:4.2.10-7.el6_8
fixed
Common Weakness Enumeration
References
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
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