CVE-2018-1050

Name: CVE-2018-1050
Creator: NVD / NIST
Published: 2018-03-13T16:29:00.21+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 4.3/10EPSS 6.69%

Last modified Jun 17, 2026

CVE-2018-1050 is a medium-severity vulnerability rated 4.3/10 on the CVSS scale. 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.. EPSS estimates a 6.69% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

4.3/10

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

EPSS Probability

6.69%

93.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Canonical	Ubuntu Linux	12.04
Canonical	Ubuntu Linux	14.04
Canonical	Ubuntu Linux	16.04
Canonical	Ubuntu Linux	17.10
Samba	Samba	>= 3.6.0, < 4.5.16
Samba	Samba	>= 4.6.0, < 4.6.14
Samba	Samba	>= 4.7.0, < 4.7.6
Debian	Debian Linux	7.0
Debian	Debian Linux	8.0
Debian	Debian Linux	9.0
Redhat	Enterprise Linux Desktop	6.0
Redhat	Enterprise Linux Desktop	7.0
Redhat	Enterprise Linux Server	6.0
Redhat	Enterprise Linux Server	7.0
Redhat	Enterprise Linux Workstation	6.0
Redhat	Enterprise Linux Workstation	7.0

References

http://www.securityfocus.com/bid/103387Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1040493Third Party Advisory, VDB Entry
https://access.redhat.com/errata/RHSA-2018:1860Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:1883Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:2612Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:2613Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:3056Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1538771Issue Tracking, Third Party Advisory
https://help.ecostruxureit.com/display/public/UADCE725/Security+fixes+in+StruxureWare+Data+Center+Expert+v7.6.0Third Party Advisory
https://lists.debian.org/debian-lts-announce/2018/03/msg00024.htmlMailing List, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2019/04/msg00013.htmlMailing List, Third Party Advisory
https://security.gentoo.org/glsa/201805-07Third Party Advisory
https://security.netapp.com/advisory/ntap-20180313-0001/Third Party Advisory
https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbns03834en_usThird Party Advisory
https://usn.ubuntu.com/3595-1/Third Party Advisory
https://usn.ubuntu.com/3595-2/Third Party Advisory
https://www.debian.org/security/2018/dsa-4135Third Party Advisory
https://www.samba.org/samba/security/CVE-2018-1050.htmlMitigation, Vendor Advisory
http://www.securityfocus.com/bid/103387Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1040493Third Party Advisory, VDB Entry
https://access.redhat.com/errata/RHSA-2018:1860Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:1883Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:2612Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:2613Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:3056Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1538771Issue Tracking, Third Party Advisory
https://help.ecostruxureit.com/display/public/UADCE725/Security+fixes+in+StruxureWare+Data+Center+Expert+v7.6.0Third Party Advisory
https://lists.debian.org/debian-lts-announce/2018/03/msg00024.htmlMailing List, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2019/04/msg00013.htmlMailing List, Third Party Advisory
https://security.gentoo.org/glsa/201805-07Third Party Advisory
https://security.netapp.com/advisory/ntap-20180313-0001/Third Party Advisory
https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbns03834en_usThird Party Advisory
https://usn.ubuntu.com/3595-1/Third Party Advisory
https://usn.ubuntu.com/3595-2/Third Party Advisory
https://www.debian.org/security/2018/dsa-4135Third Party Advisory
https://www.samba.org/samba/security/CVE-2018-1050.htmlMitigation, Vendor Advisory

Timeline

Published: Mar 13, 2018
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2018-1050?

How severe is CVE-2018-1050?

CVE-2018-1050 has a CVSS score of 4.3/10 (MEDIUM severity). The EPSS model estimates a 6.69% probability of exploitation in the next 30 days.

How do I fix CVE-2018-1050?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2018-1050?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST