Vulnerabilities in pkg:golang/github.com/greenpau/caddy-security

PACKAGE
Advisory Identifier: GHSA-8hp3-rmr7-xh88
Advisory Summary

CVE-2024-21497 is a MODERATE (CVSS 5.4) open redirect vulnerability (CWE-601: URL Redirection to Untrusted Site ('Open Redirect')) affecting Github.com/greenpau/caddy security libraries in the Go ecosystem. The issue involves open redirect in github.com/greenpau/caddy-security. Remediation is available in the latest vendor maintenance releases.

10 Known Advisory Record(s)
Package Vulnerability Intelligence

pkg:golang/github.com/greenpau/caddy-security

10 Known Advisory Record(s)

Vulnerability advisories affecting package pkg:golang/github.com/greenpau/caddy-security. Select an advisory below to view technical details or fixes.

Advisory ID CVE / NVD Severity Summary
GHSA-8hp3-rmr7-xh88 CVE-2024-21497 MODERATE Open Redirect in github.com/greenpau/caddy-security
GHSA-vfph-hjfv-cpv2 CVE-2024-21500 MODERATE Improper Restriction of Excessive Authentication Attempts in github.com/greenpau/caddy-security
GHSA-ff72-ff42-c3gw CVE-2024-21496 MODERATE Cross-site Scripting in github.com/greenpau/caddy-security
GHSA-xwmv-cx7p-fqfc CVE-2023-52430 MODERATE caddy-security plugin for Caddy vulnerable to reflected Cross-site Scripting
GHSA-93x8-66j2-wwr5 CVE-2024-21498 MODERATE Server-Side Request Forgery in github.com/greenpau/caddy-security
GHSA-r969-783f-6jqr CVE-2024-21499 MODERATE Improper Neutralization of HTTP Headers in github.com/greenpau/caddy-security
GHSA-vp66-gf7w-9m4x CVE-2024-21492 MODERATE Insufficient Session Expiration in github.com/greenpau/caddy-security
GHSA-8h95-jcp5-pjpr CVE-2024-21493 MODERATE Improper Validation of Array Index in github.com/greenpau/caddy-security
GHSA-vj36-3ccr-6563 CVE-2024-21494 MODERATE Authentication Bypass by Spoofing in github.com/greenpau/caddy-security
GHSA-c7vf-m394-m4x4 CVE-2024-21495 MODERATE Use of Insufficiently Random Values in github.com/greenpau/caddy-security

CVE-2024-21497 at a Glance

CVE Identifier CVE-2024-21497
GHSA Identifier GHSA-8hp3-rmr7-xh88
Severity MODERATE
CVSS v3.1 Base Score 5.4
CWE Classification CWE-601: URL Redirection to Untrusted Site ('Open Redirect')
Affected Product Github.com/greenpau/caddy security
Package Ecosystem Go
Published Date
Last Updated

Security Impact

CVSS: 5.4

The security impact metrics below are parsed directly from the CVSS v3.1 vector string (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N).

Attack Vector Network (AV:N)
Attack Complexity Low (AC:L)
Privileges Required None (PR:N)
User Interaction Required (UI:R)
Scope Unchanged (S:U)
Confidentiality Low (C:L)
Integrity Low (I:L)
Availability None (A:N)

How to Fix CVE-2024-21497

To remediate this vulnerability, upgrade all affected Github.com/greenpau/caddy security dependencies to a patched release. Both direct and transitive dependencies should be checked, as frameworks or security libraries may pull in vulnerable versions transitively.

github.com/greenpau/caddy-security fixed: Latest secure release
Upgrade github.com/greenpau/caddy-security to Latest secure release
Verify Direct and Transitive Dependencies

Run the following command in your project directory to verify that all resolved dependencies use the patched release:

inspect dependencies for github.com/greenpau/caddy-security

How to Check if You Are Affected

To determine whether your application is affected by CVE-2024-21497, inspect your project dependencies for Github.com/greenpau/caddy security:

inspect dependencies for github.com/greenpau/caddy-security

Analyze the terminal output to locate any version of Github.com/greenpau/caddy security in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than the patched release), your application is affected.

Note: Verify declared build manifests and deployed runtime container environments.

Technical Details

Vulnerability Mechanism & Technical Analysis

This vulnerability is classified under CWE-601: URL Redirection to Untrusted Site ('Open Redirect'), where the web application accepts a user-controlled input that specifies a link to an external site, and uses that link in a redirect. In Github.com/greenpau/caddy security, software state validation or input boundaries are circumvented during processing. Review the official source advisory statement below for specific affected components, classes, and reproduction details.

Source Advisory Statement

All versions of the package github.com/greenpau/caddy-security are vulnerable to Open Redirect via the redirect_url parameter. An attacker could perform a phishing attack and trick users into visiting a malicious website by crafting a convincing URL with this parameter. To exploit this vulnerability, the user must take an action, such as clicking on a portal button or using the browser’s back button, to trigger the redirection.

CVE-2024-21497 Affected Github.com/greenpau/caddy security Versions

1 component(s)
Product / Package Ecosystem Affected Versions Fixed Version
github.com/greenpau/caddy-security
Go
≤ 1.1.23

References

Frequently Asked Questions

What is CVE-2024-21497?
CVE-2024-21497 is a security vulnerability in Github.com/greenpau/caddy security involving Open Redirect in github.com/greenpau/caddy-security under CWE-601: URL Redirection to Untrusted Site ('Open Redirect').
Which Github.com/greenpau/caddy security versions are affected?
Affected versions include releases prior to current release patches across affected packages: github.com/greenpau/caddy-security.
What version fixes CVE-2024-21497?
Upgrading to current release patches (or the latest patched release for your respective branch) resolves the vulnerability.
Is github.com/greenpau/caddy-security affected?
Yes, github.com/greenpau/caddy-security is affected in releases prior to Latest secure release. Upgrade your dependency to Latest secure release or later.
What is the CVSS score of CVE-2024-21497?
CVE-2024-21497 has a CVSS v3.1 base score of 5.4 (MODERATE) with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N.
What CWE is associated with CVE-2024-21497?
CVE-2024-21497 is classified under CWE-601: URL Redirection to Untrusted Site ('Open Redirect') (The web application accepts a user-controlled input that specifies a link to an external site, and uses that link in a redirect.).
How can I check Go dependencies for CVE-2024-21497?
Run the dependency tree command: 'inspect dependencies for github.com/greenpau/caddy-security'. This command lists direct and transitive dependencies in your build configuration so you can verify if a vulnerable version is resolved.
Machine-readable OSV JSON OSV v1.5 Schema
Normalized schema output
{
  "schema_version" : "1.4.0",
  "id" : "GHSA-8hp3-rmr7-xh88",
  "modified" : "2026-03-04T01:57:19Z",
  "published" : "2024-02-17T06:30:35Z",
  "aliases" : [ "CVE-2024-21497" ],
  "summary" : "Open Redirect in github.com/greenpau/caddy-security",
  "details" : "All versions of the package github.com/greenpau/caddy-security are vulnerable to Open Redirect via the redirect_url parameter. An attacker could perform a phishing attack and trick users into visiting a malicious website by crafting a convincing URL with this parameter. To exploit this vulnerability, the user must take an action, such as clicking on a portal button or using the browser’s back button, to trigger the redirection.",
  "severity" : [ {
    "type" : "CVSS_V3",
    "score" : "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N"
  } ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "Go",
      "name" : "github.com/greenpau/caddy-security"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "0"
      }, {
        "last_affected" : "1.1.23"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2024-21497"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/greenpau/caddy-security/issues/268"
  }, {
    "type" : "WEB",
    "url" : "https://blog.trailofbits.com/2023/09/18/security-flaws-in-an-sso-plugin-for-caddy"
  }, {
    "type" : "WEB",
    "url" : "https://security.snyk.io/vuln/SNYK-GOLANG-GITHUBCOMGREENPAUCADDYSECURITY-6249861"
  }, {
    "type" : "PACKAGE",
    "url" : "github.com/greenpau/caddy-security"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-601" ],
    "severity" : "MODERATE",
    "github_reviewed" : true,
    "github_reviewed_at" : "2024-02-20T23:47:36Z",
    "nvd_published_at" : "2024-02-17T05:15:09Z"
  }
}