CVE-2024-21500

Summary

All versions of the package github.com/greenpau/caddy-security are vulnerable to Improper Restriction of Excessive Authentication Attempts via the two-factor authentication (2FA). Although the application blocks the user after several failed attempts to provide 2FA codes, attackers can bypass this blocking mechanism by automating the application’s full multistep 2FA process.

Affected Software

Weaknesses

• CWE-307: Improper Restriction of Excessive Authentication Attempts

ADP Enrichment

CVE Program Container

Additional References

• https://security.snyk.io/vuln/SNYK-GOLANG-GITHUBCOMGREENPAUCADDYSECURITY-6249864
• https://github.com/greenpau/caddy-security/issues/271
• https://blog.trailofbits.com/2023/09/18/security-flaws-in-an-sso-plugin-for-caddy/

CISA ADP Vulnrichment

• SSVC:
• Exploitation: none
  • Automatable: no
  • Technical Impact: partial

References

• https://security.snyk.io/vuln/SNYK-GOLANG-GITHUBCOMGREENPAUCADDYSECURITY-6249864
• https://github.com/greenpau/caddy-security/issues/271
• https://blog.trailofbits.com/2023/09/18/security-flaws-in-an-sso-plugin-for-caddy/

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