medium4.8
CVE-2024-21500
Improper Restriction of Excessive Authentication Attempts in github.com/greenpau/caddy-security
Impact
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 packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| go | github.com/greenpau/caddy-security | <= 1.1.23 | none recorded |
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Authcrunch | Caddy-Security | All versions |
Weakness classification
References
- NVD record
- CVE.org record
- GitHub advisory
- https://blog.trailofbits.com/2023/09/18/security-flaws-in-an-sso-plugin-for-caddy/
- https://github.com/greenpau/caddy-security/issues/271
- https://security.snyk.io/vuln/SNYK-GOLANG-GITHUBCOMGREENPAUCADDYSECURITY-6249864
- https://github.com/advisories/GHSA-vfph-hjfv-cpv2
- https://nvd.nist.gov/vuln/detail/CVE-2024-21500
- https://blog.trailofbits.com/2023/09/18/security-flaws-in-an-sso-plugin-for-caddy