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CVE-2020-14303

Publication date 6 July 2020

Last updated 24 July 2024

Ubuntu priority

Medium

Why this priority?

Cvss 3 Severity Score

7.5 · High

Score breakdown

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.

Status

Package Ubuntu Release Status
samba 20.04 LTS focal
Fixed 2:4.11.6+dfsg-0ubuntu1.4
19.10 eoan Ignored end of life
18.04 LTS bionic
Fixed 2:4.7.6+dfsg~ubuntu-0ubuntu2.18
16.04 LTS xenial
Fixed 2:4.3.11+dfsg-0ubuntu0.16.04.29
14.04 LTS trusty

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Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package Patch details
samba

Severity score breakdown

Parameter Value
Base score 7.5 · High
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality None
Integrity impact None
Availability impact High
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References

Related Ubuntu Security Notices (USN)

Other references