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CVE-2020-10745

Publication date 2 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 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.

Status

Package Ubuntu Release Status
samba 20.04 LTS focal
Fixed 2:4.11.6+dfsg-0ubuntu1.3
19.10 eoan
Fixed 2:4.10.7+dfsg-0ubuntu2.6
18.04 LTS bionic
Fixed 2:4.7.6+dfsg~ubuntu-0ubuntu2.17
16.04 LTS xenial
Fixed 2:4.3.11+dfsg-0ubuntu0.16.04.28
14.04 LTS trusty

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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