CVE-2024-21499 Improper Neutralization of HTTP Headers in github.com/greenpau/caddy-security

Medium 4.3 Published Updated

Attackers can bypass security mechanisms or cause TLS confusion by injecting the X-Forwarded-Proto header in Caddy security plugin.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
A user has to click or open something
Fix
None listed

What is CVE-2024-21499?

CVE-2024-21499 is a medium-severity vulnerability in github.com/greenpau/caddy-security, published on 17 Feb 2024. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official 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.

Weakness: CWE-116, CWE-644

Which versions are affected by CVE-2024-21499?

3 open source packages ship an affected version, including github.com/greenpau/caddy-security. It affects 1 product.

PackageAffectedFixed in
github.com/greenpau/caddy-security GoAll versionsNone
github.com/greenpau/caddy-security GoAll versions to 1.1.23None
github.com/greenpau/caddy-security GoAll versions to 1.1.23None

Products include Greenpau Caddy-Security.

How do I fix CVE-2024-21499?

No fix has been published for CVE-2024-21499 yet. Limit exposure of the affected software until one is available.

Is CVE-2024-21499 being exploited?

There is no known exploitation of CVE-2024-21499 in the wild and no public exploit code.

Sources

Also known as GHSA-r969-783f-6jqr, GO-2024-2562.

Is CVE-2024-21499 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free