CVE-2018-1050

Publication date 13 March 2018

Last updated 25 August 2025

Ubuntu priority

Cvss 3 Severity Score

Description

All versions of Samba from 4.0.0 onwards are vulnerable to a denial of service attack when the RPC spoolss service is configured to be run as an external daemon. Missing input sanitization checks on some of the input parameters to spoolss RPC calls could cause the print spooler service to crash.

Status

Show unmaintained releases

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

Severity score breakdown

CVSS version: CVSS v3.0

Base score 4.3 · Medium

Base metrics

Parameter	Value
Attack vector	Adjacent
Attack complexity	Low
Privileges required	None
User interaction	None
Scope	Unchanged
Confidentiality impact	None
Integrity impact	None
Availability impact	Low

Scores

Parameter	Value
Base score	4.3 · Medium
Exploitability score	-
Impact score	-

Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

References

Related Ubuntu Security Notices (USN)

USN-3595-2
Samba vulnerability
23 March 2018

USN-3595-1
Samba vulnerabilities
13 March 2018