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CVE-2018-10918

Published: 14 August 2018

A null pointer dereference flaw was found in the way samba checked database outputs from the LDB database layer. An authenticated attacker could use this flaw to crash a samba server in an Active Directory Domain Controller configuration. Samba versions before 4.7.9 and 4.8.4 are vulnerable.

Notes

AuthorNote
mdeslaur
4.7.0+ only

Priority

Medium

Cvss 3 Severity Score

6.5

Score breakdown

Status

Package Release Status
samba
Launchpad, Ubuntu, Debian
upstream
Released (4.7.9,4.8.4)
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
Released (2:4.7.6+dfsg~ubuntu-0ubuntu2.2)

Severity score breakdown

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