CVE-2024-21493

All versions of the package github.com/greenpau/caddy-security are vulnerable to Improper Validation of Array Index when parsing a Caddyfile. Multiple parsing functions in the affected library do not validate whether their input values are nil before attempting to access elements, which can lead to a panic (index out of range). Panics during the parsing of a configuration file may introduce ambiguity and vulnerabilities, hindering the correct interpretation and configuration of the web server.

• CWE-129
• CWE-129

• https://blog.trailofbits.com/2023/09/18/security-flaws-in-an-sso-plugin-for-caddy/Third Party Advisory
• https://github.com/greenpau/caddy-security/issues/263Issue Tracking
• https://security.snyk.io/vuln/SNYK-GOLANG-GITHUBCOMGREENPAUCADDYSECURITY-5961078Third Party Advisory
• https://blog.trailofbits.com/2023/09/18/security-flaws-in-an-sso-plugin-for-caddy/Third Party Advisory
• https://github.com/greenpau/caddy-security/issues/263Issue Tracking
• https://security.snyk.io/vuln/SNYK-GOLANG-GITHUBCOMGREENPAUCADDYSECURITY-5961078Third Party Advisory

Published

Feb 17, 2024

Last Modified

Jun 17, 2026

Status

Analyzed

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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