CVE-2020-10704

Publication date 28 April 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 when using samba as an Active Directory Domain Controller. Due to the way samba handles certain requests as an Active Directory Domain Controller LDAP server, an unauthorized user can cause a stack overflow leading to a denial of service. The highest threat from this vulnerability is to system availability. This issue affects all samba versions before 4.10.15, before 4.11.8 and before 4.12.2.

Status

Package Ubuntu Release Status
samba 20.04 LTS focal
Fixed 2:4.11.6+dfsg-0ubuntu1.1
19.10 eoan
Fixed 2:4.10.7+dfsg-0ubuntu2.5
18.04 LTS bionic
Fixed 2:4.7.6+dfsg~ubuntu-0ubuntu2.16
16.04 LTS xenial
Fixed 2:4.3.11+dfsg-0ubuntu0.16.04.26
14.04 LTS trusty

Get expanded security coverage with Ubuntu Pro

Reduce your average CVE exposure time from 98 days to 1 day with expanded CVE patching, ten-years security maintenance and optional support for the full stack of open-source applications. Free for personal use.

Get Ubuntu Pro

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