CVE-2020-10745

HIGH
New! CVE Severity Now Using CVSS v3

The calculated severity for CVEs has been updated to use CVSS v3 by default. CVEs that do not have a CVSS v3 score will fall back CVSS v2 for calculating severity. Severity display preferences can be toggled in the settings dropdown.

Description

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.

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;

https://lists.debian.org/debian-lts-announce/2020/11/msg00041.html

https://lists.fedoraproject.org/archives/list/[email protected]/message/6YLNQ5GRXUKYRUAOFZ4DUBVN4SMTL6Q2/

https://security.gentoo.org/glsa/202007-15

https://www.samba.org/samba/security/CVE-2020-10745.html

Details

Source: MITRE

Published: 2020-07-07

Updated: 2020-11-23

Type: CWE-400

Risk Information

CVSS v2

Base Score: 7.8

Vector: AV:N/AC:L/Au:N/C:N/I:N/A:C

Impact Score: 6.9

Exploitability Score: 10

Severity: HIGH

CVSS v3

Base Score: 7.5

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Impact Score: 3.6

Exploitability Score: 3.9

Severity: HIGH

Tenable Plugins

View all (24 total)

IDNameProductFamilySeverity
151396EulerOS Virtualization 3.0.2.2 : samba (EulerOS-SA-2021-2168)NessusHuawei Local Security Checks
critical
150607SUSE SLES11 Security Update : samba (SUSE-SU-2020:14437-1)NessusSuSE Local Security Checks
high
147497EulerOS Virtualization 2.9.1 : samba (EulerOS-SA-2021-1625)NessusHuawei Local Security Checks
critical
143186Debian DLA-2463-1 : samba security updateNessusDebian Local Security Checks
critical
142530EulerOS Virtualization 3.0.6.6 : samba (EulerOS-SA-2020-2476)NessusHuawei Local Security Checks
high
142101EulerOS 2.0 SP5 : samba (EulerOS-SA-2020-2270)NessusHuawei Local Security Checks
high
140322EulerOS Virtualization for ARM 64 3.0.2.0 : samba (EulerOS-SA-2020-1952)NessusHuawei Local Security Checks
high
140174openSUSE Security Update : ldb / samba (openSUSE-2020-1313)NessusSuSE Local Security Checks
high
140001EulerOS Virtualization for ARM 64 3.0.6.0 : samba (EulerOS-SA-2020-1898)NessusHuawei Local Security Checks
high
139845SUSE SLES12 Security Update : samba (SUSE-SU-2020:2312-1)NessusSuSE Local Security Checks
high
139170SUSE SLES12 Security Update : samba (SUSE-SU-2020:2066-1)NessusSuSE Local Security Checks
high
139169SUSE SLES15 Security Update : samba (SUSE-SU-2020:2065-1)NessusSuSE Local Security Checks
high
139156EulerOS 2.0 SP8 : samba (EulerOS-SA-2020-1826)NessusHuawei Local Security Checks
high
138994SUSE SLES12 Security Update : samba (SUSE-SU-2020:2036-1)NessusSuSE Local Security Checks
high
138938GLSA-202007-15 : Samba: Multiple vulnerabilitiesNessusGentoo Local Security Checks
high
138790openSUSE Security Update : ldb / samba (openSUSE-2020-1023)NessusSuSE Local Security Checks
high
138760SUSE SLED15 / SLES15 Security Update : ldb, samba (SUSE-SU-2020:1948-1)NessusSuSE Local Security Checks
high
138748openSUSE Security Update : samba (openSUSE-2020-984)NessusSuSE Local Security Checks
high
138654Fedora 31 : 2:samba / libldb (2020-5131d30947)NessusFedora Local Security Checks
high
138496SUSE SLED15 / SLES15 Security Update : samba (SUSE-SU-2020:1913-1)NessusSuSE Local Security Checks
high
138223Samba 4.x < 4.10.17 / 4.11.x < 4.11.11 / 4.12.x < 4.12.4 Multiple VulnerabilitiesNessusMisc.
high
138134Ubuntu 16.04 LTS / 18.04 LTS / 19.10 / 20.04 : Samba vulnerabilities (USN-4409-1)NessusUbuntu Local Security Checks
high
138128FreeBSD : samba -- Multiple Vulnerabilities (ae599263-bca2-11ea-b78f-b42e99a1b9c3)NessusFreeBSD Local Security Checks
high
138118Fedora 32 : 2:samba / libldb (2020-ccd9bdb2eb)NessusFedora Local Security Checks
high