High severity · published Jul 7, 2020
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
7.5
CVSS
3.9%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)3.9% · higher than 90% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DL
Debian Linux · Debian
9.0 · source: NVD
FE
Fedora · Fedoraproject
31 · source: NVD
LE
Leap · Opensuse
15.1; 15.2 · source: NVD
SA
Samba · Samba
4.0.0 before 4.10.17; 4.11.0 before 4.11.11; 4.12.0 before 4.12.4 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-10745
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-10745
Mailing List
http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00030.html
Mailing List
http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00054.html
Mailing List
http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00002.html
bugzilla.redhat.com
https://bugzilla.redhat.com/show_bug.cgi?id=1849491%3B
Mailing List
https://lists.debian.org/debian-lts-announce/2020/11/msg00041.html
lists.fedoraproject.org
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6YLNQ5GRXUKYRUAOFZ4DUBVN4SMTL6Q2/
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