CVE-2020-14323

A null pointer dereference flaw was found in samba's Winbind service in versions before 4.11.15, before 4.12.9 and before 4.13.1. A local user could use this flaw to crash the winbind service causing denial of service.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
5.5 MEDIUM
LOCAL
LOW
LOW
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 62%
Affected Products (NVD)
VendorProductVersion
sambasamba
3.6.0 ≤
𝑥
< 4.11.15
sambasamba
4.12.0 ≤
𝑥
< 4.12.9
sambasamba
4.13.0 ≤
𝑥
< 4.13.1
opensuseleap
15.1
opensuseleap
15.2
debiandebian_linux
9.0
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
sid
2:4.21.1+dfsg-2
fixed
trixie
2:4.21.1+dfsg-2
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
samba
bionic
Fixed 2:4.7.6+dfsg~ubuntu-0ubuntu2.21
released
focal
Fixed 2:4.11.6+dfsg-0ubuntu1.6
released
groovy
Fixed 2:4.12.5+dfsg-3ubuntu4.1
released
hirsute
Fixed 2:4.12.5+dfsg-3ubuntu4.1
released
trusty
Fixed 2:4.3.11+dfsg-0ubuntu0.14.04.20+esm11
released
xenial
Fixed 2:4.3.11+dfsg-0ubuntu0.16.04.32
released
openSUSE logo
openSUSE / SLES Releases
openSUSE Product
Release
libdcerpc-binding0
suse enterprise server 12 SP2
4.4.2-38.39.1
fixed
libdcerpc-binding0-32bit
suse enterprise server 12 SP2
4.4.2-38.39.1
fixed
libdcerpc0
suse enterprise server 12 SP2
4.4.2-38.39.1
fixed
libdcerpc0-32bit
suse enterprise server 12 SP2
4.4.2-38.39.1
fixed
libndr-krb5pac0
suse enterprise server 12 SP2
4.4.2-38.39.1
fixed
libndr-krb5pac0-32bit
suse enterprise server 12 SP2
4.4.2-38.39.1
fixed
libndr-nbt0
suse enterprise server 12 SP2
4.4.2-38.39.1
fixed
libndr-nbt0-32bit
suse enterprise server 12 SP2
4.4.2-38.39.1
fixed
libndr-standard0
suse enterprise server 12 SP2
4.4.2-38.39.1
fixed
libndr-standard0-32bit
suse enterprise server 12 SP2
4.4.2-38.39.1
fixed
libndr0
suse enterprise server 12 SP2
4.4.2-38.39.1
fixed
libndr0-32bit
suse enterprise server 12 SP2
4.4.2-38.39.1
fixed
libnetapi0
suse enterprise server 12 SP2
4.4.2-38.39.1
fixed
libnetapi0-32bit
suse enterprise server 12 SP2
4.4.2-38.39.1
fixed
libsamba-credentials0
suse enterprise server 12 SP2
4.4.2-38.39.1
fixed
libsamba-credentials0-32bit
suse enterprise server 12 SP2
4.4.2-38.39.1
fixed
libsamba-errors0
suse enterprise server 12 SP2
4.4.2-38.39.1
fixed
libsamba-errors0-32bit
suse enterprise server 12 SP2
4.4.2-38.39.1
fixed
libsamba-hostconfig0
suse enterprise server 12 SP2
4.4.2-38.39.1
fixed
libsamba-hostconfig0-32bit
suse enterprise server 12 SP2
4.4.2-38.39.1
fixed
libsamba-passdb0
suse enterprise server 12 SP2
4.4.2-38.39.1
fixed
libsamba-passdb0-32bit
suse enterprise server 12 SP2
4.4.2-38.39.1
fixed
libsamba-util0
suse enterprise server 12 SP2
4.4.2-38.39.1
fixed
libsamba-util0-32bit
suse enterprise server 12 SP2
4.4.2-38.39.1
fixed
libsamdb0
suse enterprise server 12 SP2
4.4.2-38.39.1
fixed
libsamdb0-32bit
suse enterprise server 12 SP2
4.4.2-38.39.1
fixed
libsmbclient0
suse enterprise server 12 SP2
4.4.2-38.39.1
fixed
libsmbclient0-32bit
suse enterprise server 12 SP2
4.4.2-38.39.1
fixed
libsmbconf0
suse enterprise server 12 SP2
4.4.2-38.39.1
fixed
libsmbconf0-32bit
suse enterprise server 12 SP2
4.4.2-38.39.1
fixed
libsmbldap0
suse enterprise server 12 SP2
4.4.2-38.39.1
fixed
libsmbldap0-32bit
suse enterprise server 12 SP2
4.4.2-38.39.1
fixed
libtevent-util0
suse enterprise server 12 SP2
4.4.2-38.39.1
fixed
libtevent-util0-32bit
suse enterprise server 12 SP2
4.4.2-38.39.1
fixed
libwbclient0
suse enterprise server 12 SP2
4.4.2-38.39.1
fixed
libwbclient0-32bit
suse enterprise server 12 SP2
4.4.2-38.39.1
fixed
samba
suse enterprise server 12 SP2
4.4.2-38.39.1
fixed
samba-client
suse enterprise server 12 SP2
4.4.2-38.39.1
fixed
samba-client-32bit
suse enterprise server 12 SP2
4.4.2-38.39.1
fixed
samba-doc
suse enterprise server 12 SP2
4.4.2-38.39.1
fixed
samba-libs
suse enterprise server 12 SP2
4.4.2-38.39.1
fixed
samba-libs-32bit
suse enterprise server 12 SP2
4.4.2-38.39.1
fixed
samba-winbind
suse enterprise server 12 SP2
4.4.2-38.39.1
fixed
samba-winbind-32bit
suse enterprise server 12 SP2
4.4.2-38.39.1
fixed
Red Hat logo
Red Hat Enterprise Linux Releases
Red Hat Product
Release
ctdb
RHEL 7
0:4.10.16-9.el7_9
fixed
RHEL 8
0:4.13.3-3.el8
fixed
ctdb-tests
RHEL 7
0:4.10.16-9.el7_9
fixed
RHEL 8
0:4.13.3-3.el8
fixed
libsmbclient
RHEL 7
0:4.10.16-9.el7_9
fixed
RHEL 8
0:4.13.3-3.el8
fixed
libsmbclient-devel
RHEL 7
0:4.10.16-9.el7_9
fixed
RHEL 8
0:4.13.3-3.el8
fixed
libwbclient
RHEL 7
0:4.10.16-9.el7_9
fixed
RHEL 8
0:4.13.3-3.el8
fixed
libwbclient-devel
RHEL 7
0:4.10.16-9.el7_9
fixed
RHEL 8
0:4.13.3-3.el8
fixed
openchange
RHEL 8
0:2.3-27.el8
fixed
python3-samba
RHEL 8
0:4.13.3-3.el8
fixed
python3-samba-test
RHEL 8
0:4.13.3-3.el8
fixed
samba
RHEL 7
0:4.10.16-9.el7_9
fixed
RHEL 8
0:4.13.3-3.el8
fixed
samba-client
RHEL 7
0:4.10.16-9.el7_9
fixed
RHEL 8
0:4.13.3-3.el8
fixed
samba-client-libs
RHEL 7
0:4.10.16-9.el7_9
fixed
RHEL 8
0:4.13.3-3.el8
fixed
samba-common
RHEL 7
0:4.10.16-9.el7_9
fixed
RHEL 8
0:4.13.3-3.el8
fixed
samba-common-libs
RHEL 7
0:4.10.16-9.el7_9
fixed
RHEL 8
0:4.13.3-3.el8
fixed
samba-common-tools
RHEL 7
0:4.10.16-9.el7_9
fixed
RHEL 8
0:4.13.3-3.el8
fixed
samba-dc
RHEL 7
0:4.10.16-9.el7_9
fixed
samba-dc-libs
RHEL 7
0:4.10.16-9.el7_9
fixed
samba-devel
RHEL 7
0:4.10.16-9.el7_9
fixed
RHEL 8
0:4.13.3-3.el8
fixed
samba-krb5-printing
RHEL 7
0:4.10.16-9.el7_9
fixed
RHEL 8
0:4.13.3-3.el8
fixed
samba-libs
RHEL 7
0:4.10.16-9.el7_9
fixed
RHEL 8
0:4.13.3-3.el8
fixed
samba-pidl
RHEL 7
0:4.10.16-9.el7_9
fixed
RHEL 8
0:4.13.3-3.el8
fixed
samba-python
RHEL 7
0:4.10.16-9.el7_9
fixed
samba-python-test
RHEL 7
0:4.10.16-9.el7_9
fixed
samba-test
RHEL 7
0:4.10.16-9.el7_9
fixed
RHEL 8
0:4.13.3-3.el8
fixed
samba-test-libs
RHEL 7
0:4.10.16-9.el7_9
fixed
RHEL 8
0:4.13.3-3.el8
fixed
samba-vfs-glusterfs
RHEL 7
0:4.10.16-9.el7_9
fixed
samba-winbind
RHEL 7
0:4.10.16-9.el7_9
fixed
RHEL 8
0:4.13.3-3.el8
fixed
samba-winbind-clients
RHEL 7
0:4.10.16-9.el7_9
fixed
RHEL 8
0:4.13.3-3.el8
fixed
samba-winbind-krb5-locator
RHEL 7
0:4.10.16-9.el7_9
fixed
RHEL 8
0:4.13.3-3.el8
fixed
samba-winbind-modules
RHEL 7
0:4.10.16-9.el7_9
fixed
RHEL 8
0:4.13.3-3.el8
fixed
samba-winexe
RHEL 8
0:4.13.3-3.el8
fixed
Common Weakness Enumeration
References
http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00008.html
http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00012.html
https://bugzilla.redhat.com/show_bug.cgi?id=1891685
https://lists.debian.org/debian-lts-announce/2020/11/msg00041.html
https://lists.debian.org/debian-lts-announce/2024/04/msg00015.html
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JE2M4FE3N3EDXVG4UKSVFPL7SQUGFFDP/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/W6HM73N4NEGFW5GIJJGGP6ZZBS6GTXPB/
https://security.gentoo.org/glsa/202012-24
https://security.netapp.com/advisory/ntap-20201103-0001/
https://www.samba.org/samba/security/CVE-2020-14323.html
http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00008.html
http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00012.html
https://bugzilla.redhat.com/show_bug.cgi?id=1891685
https://lists.debian.org/debian-lts-announce/2020/11/msg00041.html
https://lists.debian.org/debian-lts-announce/2024/04/msg00015.html
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JE2M4FE3N3EDXVG4UKSVFPL7SQUGFFDP/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/W6HM73N4NEGFW5GIJJGGP6ZZBS6GTXPB/
https://security.gentoo.org/glsa/202012-24
https://security.netapp.com/advisory/ntap-20201103-0001/
https://www.samba.org/samba/security/CVE-2020-14323.html