CVE-2020-14303

HIGH

Samba < 4.10.17 - Denial of Service via Empty UDP Packet

Title source: llm
STIX 2.1

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.

References (11)

Core 11
Core References
Third Party Advisory x_refsource_confirm
https://security.netapp.com/advisory/ntap-20200709-0003/
Mailing List, Third Party Advisory vendor-advisory x_refsource_suse
http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00030.html
Mailing List, Third Party Advisory vendor-advisory x_refsource_suse
http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00054.html
Third Party Advisory vendor-advisory x_refsource_gentoo
https://security.gentoo.org/glsa/202007-15
Third Party Advisory vendor-advisory x_refsource_ubuntu
https://usn.ubuntu.com/4454-2/
Third Party Advisory vendor-advisory x_refsource_ubuntu
https://usn.ubuntu.com/4454-1/
Mailing List, Third Party Advisory vendor-advisory x_refsource_suse
http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00002.html
Mailing List, Third Party Advisory mailing-list x_refsource_mlist
https://lists.debian.org/debian-lts-announce/2020/11/msg00041.html

Scores

CVSS v3 7.5
EPSS 0.0354
EPSS Percentile 87.7%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Details

CWE
CWE-834
Status published
Products (10)
canonical/ubuntu_linux 12.04
canonical/ubuntu_linux 14.04
canonical/ubuntu_linux 16.04
canonical/ubuntu_linux 18.04
canonical/ubuntu_linux 20.04
debian/debian_linux 9.0
fedoraproject/fedora 31
opensuse/leap 15.1
opensuse/leap 15.2
samba/samba 4.10.0 - 4.10.17
Published Jul 06, 2020
Tracked Since Feb 18, 2026