CVE-2020-10745

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.

Category

7.5
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 16.33% Top 10%
Vendor Advisory fedoraproject.org Vendor Advisory opensuse.org Vendor Advisory opensuse.org Vendor Advisory gentoo.org Vendor Advisory opensuse.org Vendor Advisory samba.org
Affected: n/a Samba
Published at:
Updated at:

References

Link Tags
https://bugzilla.redhat.com/show_bug.cgi?id=1849491%3B
https://www.samba.org/samba/security/CVE-2020-10745.html vendor advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6YLNQ5GRXUKYRUAOFZ4DUBVN4SMTL6Q2/ vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00030.html vendor advisory mailing list third party advisory
http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00054.html vendor advisory mailing list third party advisory
https://security.gentoo.org/glsa/202007-15 third party advisory vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00002.html vendor advisory mailing list third party advisory
https://lists.debian.org/debian-lts-announce/2020/11/msg00041.html third party advisory mailing list

Frequently Asked Questions

What is the severity of CVE-2020-10745?
CVE-2020-10745 has been scored as a high severity vulnerability.
How to fix CVE-2020-10745?
To fix CVE-2020-10745, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2020-10745 being actively exploited in the wild?
It is possible that CVE-2020-10745 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~16% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2020-10745?
CVE-2020-10745 affects n/a Samba.
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