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CVE-2018-1057

Publication date 13 March 2018

Last updated 24 July 2024

Ubuntu priority

High

Why this priority?

Cvss 3 Severity Score

8.8 · High

Score breakdown

On a Samba 4 AD DC the LDAP server in all versions of Samba from 4.0.0 onwards incorrectly validates permissions to modify passwords over LDAP allowing authenticated users to change any other users' passwords, including administrative users and privileged service accounts (eg Domain Controllers).

Read the notes from the security team

Status

Package Ubuntu Release Status
samba 17.10 artful
Fixed 2:4.6.7+dfsg-1ubuntu3.2
16.04 LTS xenial
Fixed 2:4.3.11+dfsg-0ubuntu0.16.04.13
14.04 LTS trusty
Fixed 2:4.3.11+dfsg-0ubuntu0.14.04.14

Notes

mdeslaur

4.0.0 onwards

Severity score breakdown

Parameter Value
Base score 8.8 · High
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H