CVE-2018-1050

moderate-risk

Published 2018-03-13

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.

Do I need to act?

22.4% chance of exploitation in next 30 days

EPSS score — higher than 78% of all CVEs

Not on CISA KEV list

No confirmed active exploitation reported to CISA

Patch status unknown

Check vendor advisories for fix availability and mitigation guidance

CVSS 4.3/10 Medium

ADJACENT_NETWORK / LOW complexity

Affected Products (14)

Ubuntu Linux

Samba

Debian Linux

Enterprise Linux Desktop

Enterprise Linux Server

Enterprise Linux Workstation

Affected Vendors

Debian Redhat Samba Canonical

References (36)

Third Party Advisory http://www.securityfocus.com/bid/103387

Third Party Advisory http://www.securitytracker.com/id/1040493

Third Party Advisory https://access.redhat.com/errata/RHSA-2018:1860

Third Party Advisory https://access.redhat.com/errata/RHSA-2018:1883

Third Party Advisory https://access.redhat.com/errata/RHSA-2018:2612

Third Party Advisory https://access.redhat.com/errata/RHSA-2018:2613

Third Party Advisory https://access.redhat.com/errata/RHSA-2018:3056

Issue Tracking https://bugzilla.redhat.com/show_bug.cgi?id=1538771

Third Party Advisory https://help.ecostruxureit.com/display/public/UADCE725/Security+fixes+in+Struxur...

Mailing List https://lists.debian.org/debian-lts-announce/2018/03/msg00024.html

Mailing List https://lists.debian.org/debian-lts-announce/2019/04/msg00013.html

Third Party Advisory https://security.gentoo.org/glsa/201805-07

Third 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-hpe...

Third 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-4135

Mitigation https://www.samba.org/samba/security/CVE-2018-1050.html

Third Party Advisory http://www.securityfocus.com/bid/103387

Third Party Advisory http://www.securitytracker.com/id/1040493

and 16 more references

/ 100

moderate-risk

Severity 15/34 · Moderate

Exploitability 14/34 · Moderate

Exposure 18/34 · Moderate