CVE-2020-14303 log

Source
Severity High
Remote Yes
Type Denial of service
Description
A flaw was found in the AD DC NBT server in all Samba versions before 4.10.17, before 4.11.11 and before 4.12.4. A samba user could send an empty UDP packet to cause the samba server to crash.
Group Package Affected Fixed Severity Status Ticket
AVG-1202 samba 4.12.3-2 High Vulnerable
References
https://www.samba.org/samba/security/CVE-2020-14303.html
https://bugzilla.redhat.com/show_bug.cgi?id=1851298
https://download.samba.org/pub/samba/patches/security/samba-4.12.3-security-2020-07-02.patch
Notes
The NBT server (UDP port 137) is provided by nmbd in the file-server configuration, which is not impacted by this issue.

In the AD DC, the NBT server can be disabled with 'disable netbios = yes'.