CVE-2020-14303

2020-07-0600:00:00

ubuntu.com

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

5 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

0.015 Low

EPSS

Percentile

86.8%

JSON

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.

Bugs

<https://bugzilla.samba.org/show_bug.cgi?id=14417>

OSVersionArchitecturePackageVersionFilename
ubuntu18.04noarchsamba< 2:4.7.6+dfsg~ubuntu-0ubuntu2.18UNKNOWN
ubuntu20.04noarchsamba< 2:4.11.6+dfsg-0ubuntu1.4UNKNOWN
ubuntu14.04noarchsamba< 2:4.3.11+dfsg-0ubuntu0.14.04.20+esm8) Available with Ubuntu Pro or Ubuntu Pro (Infra-onlyUNKNOWN
ubuntu16.04noarchsamba< 2:4.3.11+dfsg-0ubuntu0.16.04.29UNKNOWN

OS	Version	Architecture	Package	Version	Filename
ubuntu	18.04	noarch	samba	< 2:4.7.6+dfsg~ubuntu-0ubuntu2.18	UNKNOWN
ubuntu	20.04	noarch	samba	< 2:4.11.6+dfsg-0ubuntu1.4	UNKNOWN
ubuntu	14.04	noarch	samba	< 2:4.3.11+dfsg-0ubuntu0.14.04.20+esm8) Available with Ubuntu Pro or Ubuntu Pro (Infra-only	UNKNOWN
ubuntu	16.04	noarch	samba	< 2:4.3.11+dfsg-0ubuntu0.16.04.29	UNKNOWN