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CVE-2024-21494

Date: February 17, 2024

All versions of the package github.com/greenpau/caddy-security are vulnerable to Authentication Bypass by Spoofing via the X-Forwarded-For header due to improper input sanitization. An attacker can spoof an IP address used in the user identity module (/whoami API endpoint). This could lead to unauthorized access if the system trusts this spoofed IP address.

Severity Score

Related Resources (7)

https://blog.trailofbits.com/2023/09/18/security-flaws-in-an-sso-plugin-for-caddy
github.com/greenpau/caddy-security
https://blog.trailofbits.com/2023/09/18/security-flaws-in-an-sso-plugin-for-caddy/
https://github.com/greenpau/caddy-security/issues/266
https://nvd.nist.gov/vuln/detail/CVE-2024-21494
https://github.com/advisories/GHSA-vj36-3ccr-6563
https://www.mend.io/vulnerability-database/CVE-2024-21494

Severity Score

Weakness Type (CWE)

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

CWE-79

Authentication Bypass by Spoofing

CWE-290

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): REQUIRED
Scope (S): UNCHANGED
Confidentiality (C): LOW
Integrity (I): LOW
Availability (A): NONE

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