CVE-2020-10745

A flaw was found in all Samba versions before 4.10.17, before 4.11.11 and before 4.12.4 in the way it processed NetBios over TCP/IP. This flaw allows a remote attacker could to cause the Samba server to consume excessive CPU use, resulting in a denial of service. This highest threat from this vulnerability is to system availability.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
7.5 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 95%
Affected Products (NVD)
VendorProductVersion
sambasamba
4.0.0 ≤
𝑥
< 4.10.17
sambasamba
4.11.0 ≤
𝑥
< 4.11.11
sambasamba
4.12.0 ≤
𝑥
< 4.12.4
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
buster
postponed
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-0ubuntu2.17
released
eoan
Fixed 2:4.10.7+dfsg-0ubuntu2.6
released
focal
Fixed 2:4.11.6+dfsg-0ubuntu1.3
released
trusty
Fixed 2:4.3.11+dfsg-0ubuntu0.14.04.20+esm7
released
xenial
Fixed 2:4.3.11+dfsg-0ubuntu0.16.04.28
released
openSUSE logo
openSUSE / SLES Releases
openSUSE Product
Release
ldb-tools
suse enterprise desktop 15 SP2
2.0.12-3.3.1
fixed
suse enterprise sap 12 SP5
1.5.8-3.5.1
fixed
suse enterprise sap 15 SP2
2.0.12-3.3.1
fixed
suse enterprise server 12 SP5
1.5.8-3.5.1
fixed
suse enterprise server 15 SP2
2.0.12-3.3.1
fixed
libdcerpc-binding0
suse enterprise server 12 SP2
4.4.2-38.33.1
fixed
libdcerpc-binding0-32bit
suse enterprise server 12 SP2
4.4.2-38.33.1
fixed
libdcerpc0
suse enterprise server 12 SP2
4.4.2-38.33.1
fixed
libdcerpc0-32bit
suse enterprise server 12 SP2
4.4.2-38.33.1
fixed
libldb-devel
suse enterprise desktop 15 SP2
2.0.12-3.3.1
fixed
suse enterprise sap 15 SP2
2.0.12-3.3.1
fixed
suse enterprise server 15 SP2
2.0.12-3.3.1
fixed
libldb1
suse enterprise sap 12 SP5
1.5.8-3.5.1
fixed
suse enterprise server 12 SP5
1.5.8-3.5.1
fixed
libldb1-32bit
suse enterprise sap 12 SP5
1.5.8-3.5.1
fixed
suse enterprise server 12 SP5
1.5.8-3.5.1
fixed
libldb2
suse enterprise desktop 15 SP2
2.0.12-3.3.1
fixed
suse enterprise sap 15 SP2
2.0.12-3.3.1
fixed
suse enterprise server 15 SP2
2.0.12-3.3.1
fixed
libldb2-32bit
suse enterprise desktop 15 SP2
2.0.12-3.3.1
fixed
suse enterprise sap 15 SP2
2.0.12-3.3.1
fixed
suse enterprise server 15 SP2
2.0.12-3.3.1
fixed
libndr-krb5pac0
suse enterprise server 12 SP2
4.4.2-38.33.1
fixed
libndr-krb5pac0-32bit
suse enterprise server 12 SP2
4.4.2-38.33.1
fixed
libndr-nbt0
suse enterprise server 12 SP2
4.4.2-38.33.1
fixed
libndr-nbt0-32bit
suse enterprise server 12 SP2
4.4.2-38.33.1
fixed
libndr-standard0
suse enterprise server 12 SP2
4.4.2-38.33.1
fixed
libndr-standard0-32bit
suse enterprise server 12 SP2
4.4.2-38.33.1
fixed
libndr0
suse enterprise server 12 SP2
4.4.2-38.33.1
fixed
libndr0-32bit
suse enterprise server 12 SP2
4.4.2-38.33.1
fixed
libnetapi0
suse enterprise server 12 SP2
4.4.2-38.33.1
fixed
libnetapi0-32bit
suse enterprise server 12 SP2
4.4.2-38.33.1
fixed
libsamba-credentials0
suse enterprise server 12 SP2
4.4.2-38.33.1
fixed
libsamba-credentials0-32bit
suse enterprise server 12 SP2
4.4.2-38.33.1
fixed
libsamba-errors0
suse enterprise server 12 SP2
4.4.2-38.33.1
fixed
libsamba-errors0-32bit
suse enterprise server 12 SP2
4.4.2-38.33.1
fixed
libsamba-hostconfig0
suse enterprise server 12 SP2
4.4.2-38.33.1
fixed
libsamba-hostconfig0-32bit
suse enterprise server 12 SP2
4.4.2-38.33.1
fixed
libsamba-passdb0
suse enterprise server 12 SP2
4.4.2-38.33.1
fixed
libsamba-passdb0-32bit
suse enterprise server 12 SP2
4.4.2-38.33.1
fixed
libsamba-util0
suse enterprise server 12 SP2
4.4.2-38.33.1
fixed
libsamba-util0-32bit
suse enterprise server 12 SP2
4.4.2-38.33.1
fixed
libsamdb0
suse enterprise server 12 SP2
4.4.2-38.33.1
fixed
libsamdb0-32bit
suse enterprise server 12 SP2
4.4.2-38.33.1
fixed
libsmbclient0
suse enterprise server 12 SP2
4.4.2-38.33.1
fixed
libsmbclient0-32bit
suse enterprise server 12 SP2
4.4.2-38.33.1
fixed
libsmbconf0
suse enterprise server 12 SP2
4.4.2-38.33.1
fixed
libsmbconf0-32bit
suse enterprise server 12 SP2
4.4.2-38.33.1
fixed
libsmbldap0
suse enterprise server 12 SP2
4.4.2-38.33.1
fixed
libsmbldap0-32bit
suse enterprise server 12 SP2
4.4.2-38.33.1
fixed
libtevent-util0
suse enterprise server 12 SP2
4.4.2-38.33.1
fixed
libtevent-util0-32bit
suse enterprise server 12 SP2
4.4.2-38.33.1
fixed
libwbclient0
suse enterprise server 12 SP2
4.4.2-38.33.1
fixed
libwbclient0-32bit
suse enterprise server 12 SP2
4.4.2-38.33.1
fixed
python3-ldb
suse enterprise desktop 15 SP2
2.0.12-3.3.1
fixed
suse enterprise sap 15 SP2
2.0.12-3.3.1
fixed
suse enterprise server 15 SP2
2.0.12-3.3.1
fixed
python3-ldb-devel
suse enterprise desktop 15 SP2
2.0.12-3.3.1
fixed
suse enterprise sap 15 SP2
2.0.12-3.3.1
fixed
suse enterprise server 15 SP2
2.0.12-3.3.1
fixed
samba
suse enterprise server 12 SP2
4.4.2-38.33.1
fixed
samba-client
suse enterprise server 12 SP2
4.4.2-38.33.1
fixed
samba-client-32bit
suse enterprise server 12 SP2
4.4.2-38.33.1
fixed
samba-doc
suse enterprise server 12 SP2
4.4.2-38.33.1
fixed
samba-libs
suse enterprise server 12 SP2
4.4.2-38.33.1
fixed
samba-libs-32bit
suse enterprise server 12 SP2
4.4.2-38.33.1
fixed
samba-winbind
suse enterprise server 12 SP2
4.4.2-38.33.1
fixed
samba-winbind-32bit
suse enterprise server 12 SP2
4.4.2-38.33.1
fixed
Common Weakness Enumeration
References
http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00030.html
http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00054.html
http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00002.html
https://bugzilla.redhat.com/show_bug.cgi?id=1849491%3B
https://lists.debian.org/debian-lts-announce/2020/11/msg00041.html
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6YLNQ5GRXUKYRUAOFZ4DUBVN4SMTL6Q2/
https://security.gentoo.org/glsa/202007-15
https://www.samba.org/samba/security/CVE-2020-10745.html
http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00030.html
http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00054.html
http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00002.html
https://bugzilla.redhat.com/show_bug.cgi?id=1849491%3B
https://lists.debian.org/debian-lts-announce/2020/11/msg00041.html
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6YLNQ5GRXUKYRUAOFZ4DUBVN4SMTL6Q2/
https://security.gentoo.org/glsa/202007-15
https://www.samba.org/samba/security/CVE-2020-10745.html