What’s Vulnerable › Vulnerabilities
CVE-2023-35853
- Severity: critical (CVSS 9.8 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 1.0% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2023-06-19 · updated 2026-06-17
- Weakness: CWE-94
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.
Affected products
- OISF suricata: before 6.0.13 — fixed in 6.0.13
How to fix
Upgrade to a fixed version: OISF suricata 6.0.13. Check the vendor advisory for mitigations.
References
- https://github.com/OISF/suricata/commit/b95bbcc66db526ffcc880eb439dbe8abc87a81da
- 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
- https://github.com/OISF/suricata/compare/suricata-6.0.12...suricata-6.0.13
- https://www.stamus-networks.com/stamus-labs
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