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CVE-2018-1140

Published: 14 August 2018

A missing input sanitization flaw was found in the implementation of LDP database used for the LDAP server. An attacker could use this flaw to cause a denial of service against a samba server, used as a Active Directory Domain Controller. All versions of Samba from 4.8.0 onwards are vulnerable

Notes

AuthorNote
mdeslaur
4.8.0+ only

Priority

Medium

Cvss 3 Severity Score

6.5

Score breakdown

Status

Package Release Status
samba
Launchpad, Ubuntu, Debian
upstream
Released (4.8.4)
trusty Not vulnerable
(2:4.3.11+dfsg-0ubuntu0.14.04.14)
xenial Not vulnerable
(2:4.3.11+dfsg-0ubuntu0.16.04.13)
bionic Not vulnerable
(2:4.7.6+dfsg~ubuntu-0ubuntu2)

Severity score breakdown

Parameter Value
Base score 6.5
Attack vector Adjacent
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality None
Integrity impact None
Availability impact High
Vector CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H