CVE-2018-1139

A flaw was found in the way samba before 4.7.9 and 4.8.4 allowed the use of weak NTLMv1 authentication even when NTLMv1 was explicitly disabled. A man-in-the-middle attacker could use this flaw to read the credential and other details passed between the samba server and client.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
8.1 HIGH
NETWORK
HIGH
NONE
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 86%
Affected Products (NVD)
VendorProductVersion
sambasamba
4.7.0 ≤
𝑥
< 4.7.9
sambasamba
4.8.0 ≤
𝑥
< 4.8.4
canonicalubuntu_linux
14.04
canonicalubuntu_linux
16.04
canonicalubuntu_linux
18.04
redhatenterprise_linux_desktop
7.0
redhatenterprise_linux_server
7.0
redhatenterprise_linux_workstation
7.0
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
jessie
not-affected
sid
2:4.21.1+dfsg-2
fixed
stretch
not-affected
trixie
2:4.21.1+dfsg-2
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
samba
bionic
Fixed 2:4.7.6+dfsg~ubuntu-0ubuntu2.2
released
trusty
not-affected
xenial
not-affected
Red Hat logo
Red Hat Enterprise Linux Releases
Red Hat Product
Release
ctdb
RHEL 7
0:4.8.3-4.el7
fixed
ctdb-tests
RHEL 7
0:4.8.3-4.el7
fixed
libsmbclient
RHEL 7
0:4.8.3-4.el7
fixed
libsmbclient-devel
RHEL 7
0:4.8.3-4.el7
fixed
libwbclient
RHEL 7
0:4.8.3-4.el7
fixed
libwbclient-devel
RHEL 7
0:4.8.3-4.el7
fixed
samba
RHEL 7
0:4.8.3-4.el7
fixed
samba-client
RHEL 7
0:4.8.3-4.el7
fixed
samba-client-libs
RHEL 7
0:4.8.3-4.el7
fixed
samba-common
RHEL 7
0:4.8.3-4.el7
fixed
samba-common-libs
RHEL 7
0:4.8.3-4.el7
fixed
samba-common-tools
RHEL 7
0:4.8.3-4.el7
fixed
samba-dc
RHEL 7
0:4.8.3-4.el7
fixed
samba-dc-libs
RHEL 7
0:4.8.3-4.el7
fixed
samba-devel
RHEL 7
0:4.8.3-4.el7
fixed
samba-krb5-printing
RHEL 7
0:4.8.3-4.el7
fixed
samba-libs
RHEL 7
0:4.8.3-4.el7
fixed
samba-pidl
RHEL 7
0:4.8.3-4.el7
fixed
samba-python
RHEL 7
0:4.8.3-4.el7
fixed
samba-python-test
RHEL 7
0:4.8.3-4.el7
fixed
samba-test
RHEL 7
0:4.8.3-4.el7
fixed
samba-test-libs
RHEL 7
0:4.8.3-4.el7
fixed
samba-vfs-glusterfs
RHEL 7
0:4.8.3-4.el7
fixed
samba-winbind
RHEL 7
0:4.8.3-4.el7
fixed
samba-winbind-clients
RHEL 7
0:4.8.3-4.el7
fixed
samba-winbind-krb5-locator
RHEL 7
0:4.8.3-4.el7
fixed
samba-winbind-modules
RHEL 7
0:4.8.3-4.el7
fixed
Amazon Linux logo
Amazon Linux Releases
Amazon Package
Release
ctdb
Amazon Linux 1
0:4.8.3-4.amzn1
fixed
Amazon Linux 2
0:4.8.3-4.amzn2.0.1
fixed
ctdb-tests
Amazon Linux 1
0:4.8.3-4.amzn1
fixed
Amazon Linux 2
0:4.8.3-4.amzn2.0.1
fixed
libsmbclient
Amazon Linux 1
0:4.8.3-4.amzn1
fixed
Amazon Linux 2
0:4.8.3-4.amzn2.0.1
fixed
libsmbclient-devel
Amazon Linux 1
0:4.8.3-4.amzn1
fixed
Amazon Linux 2
0:4.8.3-4.amzn2.0.1
fixed
libwbclient
Amazon Linux 1
0:4.8.3-4.amzn1
fixed
Amazon Linux 2
0:4.8.3-4.amzn2.0.1
fixed
libwbclient-devel
Amazon Linux 1
0:4.8.3-4.amzn1
fixed
Amazon Linux 2
0:4.8.3-4.amzn2.0.1
fixed
samba
Amazon Linux 1
0:4.8.3-4.amzn1
fixed
Amazon Linux 2
0:4.8.3-4.amzn2.0.1
fixed
samba-client
Amazon Linux 1
0:4.8.3-4.amzn1
fixed
Amazon Linux 2
0:4.8.3-4.amzn2.0.1
fixed
samba-client-libs
Amazon Linux 1
0:4.8.3-4.amzn1
fixed
Amazon Linux 2
0:4.8.3-4.amzn2.0.1
fixed
samba-common
Amazon Linux 1
0:4.8.3-4.amzn1
fixed
Amazon Linux 2
0:4.8.3-4.amzn2.0.1
fixed
samba-common-libs
Amazon Linux 1
0:4.8.3-4.amzn1
fixed
Amazon Linux 2
0:4.8.3-4.amzn2.0.1
fixed
samba-common-tools
Amazon Linux 1
0:4.8.3-4.amzn1
fixed
Amazon Linux 2
0:4.8.3-4.amzn2.0.1
fixed
samba-dc
Amazon Linux 2
0:4.8.3-4.amzn2.0.1
fixed
samba-dc-libs
Amazon Linux 2
0:4.8.3-4.amzn2.0.1
fixed
samba-debuginfo
Amazon Linux 1
0:4.8.3-4.amzn1
fixed
Amazon Linux 2
0:4.8.3-4.amzn2.0.1
fixed
samba-devel
Amazon Linux 1
0:4.8.3-4.amzn1
fixed
Amazon Linux 2
0:4.8.3-4.amzn2.0.1
fixed
samba-krb5-printing
Amazon Linux 1
0:4.8.3-4.amzn1
fixed
Amazon Linux 2
0:4.8.3-4.amzn2.0.1
fixed
samba-libs
Amazon Linux 1
0:4.8.3-4.amzn1
fixed
Amazon Linux 2
0:4.8.3-4.amzn2.0.1
fixed
samba-pidl
Amazon Linux 1
0:4.8.3-4.amzn1
fixed
Amazon Linux 2
0:4.8.3-4.amzn2.0.1
fixed
samba-python
Amazon Linux 1
0:4.8.3-4.amzn1
fixed
Amazon Linux 2
0:4.8.3-4.amzn2.0.1
fixed
samba-python-test
Amazon Linux 1
0:4.8.3-4.amzn1
fixed
Amazon Linux 2
0:4.8.3-4.amzn2.0.1
fixed
samba-test
Amazon Linux 1
0:4.8.3-4.amzn1
fixed
Amazon Linux 2
0:4.8.3-4.amzn2.0.1
fixed
samba-test-libs
Amazon Linux 1
0:4.8.3-4.amzn1
fixed
Amazon Linux 2
0:4.8.3-4.amzn2.0.1
fixed
samba-vfs-glusterfs
Amazon Linux 2
0:4.8.3-4.amzn2.0.1
fixed
samba-winbind
Amazon Linux 1
0:4.8.3-4.amzn1
fixed
Amazon Linux 2
0:4.8.3-4.amzn2.0.1
fixed
samba-winbind-clients
Amazon Linux 1
0:4.8.3-4.amzn1
fixed
Amazon Linux 2
0:4.8.3-4.amzn2.0.1
fixed
samba-winbind-krb5-locator
Amazon Linux 1
0:4.8.3-4.amzn1
fixed
Amazon Linux 2
0:4.8.3-4.amzn2.0.1
fixed
samba-winbind-modules
Amazon Linux 1
0:4.8.3-4.amzn1
fixed
Amazon Linux 2
0:4.8.3-4.amzn2.0.1
fixed
Common Weakness Enumeration
References
http://www.securityfocus.com/bid/105084
https://access.redhat.com/errata/RHSA-2018:2612
https://access.redhat.com/errata/RHSA-2018:2613
https://access.redhat.com/errata/RHSA-2018:3056
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-1139
https://security.gentoo.org/glsa/202003-52
https://security.netapp.com/advisory/ntap-20180814-0001/
https://usn.ubuntu.com/3738-1/
https://www.samba.org/samba/security/CVE-2018-1139.html
http://www.securityfocus.com/bid/105084
https://access.redhat.com/errata/RHSA-2018:2612
https://access.redhat.com/errata/RHSA-2018:2613
https://access.redhat.com/errata/RHSA-2018:3056
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-1139
https://security.gentoo.org/glsa/202003-52
https://security.netapp.com/advisory/ntap-20180814-0001/
https://usn.ubuntu.com/3738-1/
https://www.samba.org/samba/security/CVE-2018-1139.html