CVE-2024-21499: caddy-security Improper Encoding (CVSS 4.3)

Description

All versions of the package github.com/greenpau/caddy-security are vulnerable to HTTP Header Injection via the X-Forwarded-Proto header due to redirecting to the injected protocol.Exploiting this vulnerability could lead to bypass of security mechanisms or confusion in handling TLS.

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CVSS v3.1 Score

4.3

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N

Weakness Type (CWE)

CWE-644 CWE-644

CWE-116 CWE-116

Affected Products

Vendor	Product	Versions
greenpau	caddy-security	All

References

Other References

https://blog.trailofbits.com/2023/09/18/security-flaws-in-an-sso-plugin-for-caddy/ https://github.com/greenpau/caddy-security/issues/270 https://security.snyk.io/vuln/SNYK-GOLANG-GITHUBCOMGREENPAUCADDYSECURITY-6249863 https://blog.trailofbits.com/2023/09/18/security-flaws-in-an-sso-plugin-for-caddy/ https://github.com/greenpau/caddy-security/issues/270 https://security.snyk.io/vuln/SNYK-GOLANG-GITHUBCOMGREENPAUCADDYSECURITY-6249863

Frequently Asked Questions

What is CVE-2024-21499? +

All versions of the package github.com/greenpau/caddy-security are vulnerable to HTTP Header Injection via the X-Forwarded-Proto header due to redirecting to the injected protocol.Exploiting this vulnerability could lead to bypass of security mechanisms or confusion in handling TLS. It has a CVSS v3.1 base score of 4.3 (MEDIUM).

How severe is CVE-2024-21499? +

CVE-2024-21499 has a CVSS v3.1 score of 4.3 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2024-21499? +

CVE-2024-21499 affects products from greenpau, specifically: caddy-security. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2024-21499? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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