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cve.new
GHSA-ghw3-5qvm-3mqchigh7.0

CodeIgniter4 allows spoofing of IP address when using proxy

Check your stack

The advisory, in context

Impact

This vulnerability may allow attackers to spoof their IP address when your server is behind a reverse proxy.

Patches

Upgrade to v4.2.11 or later, and configure Config\App::$proxyIPs.

Workarounds

Do not use $request->getIPAddress().

References

For more information

If you have any questions or comments about this advisory:

Affected packages

Start with the recorded fix for your release branch. Check your installed version and test compatibility before upgrading. Fixing this advisory does not rule out other vulnerabilities in the release.

Ecosystem versions

Earlier releases before 4.2.11

Fixed in 4.2.11

39 explicitly affected versions

4.0.0, 4.0.0-rc.4, v4.0.0-alpha.3, v4.0.0-alpha.4, v4.0.0-alpha.5, v4.0.0-beta.1, v4.0.0-beta.2, v4.0.0-beta.3, v4.0.0-beta.4, v4.0.0-rc.1, v4.0.0-rc.2, v4.0.0-rc.2.1, v4.0.0-rc.3, v4.0.1, v4.0.2, v4.0.3, v4.0.4, v4.0.5, v4.1.0, v4.1.1, v4.1.2, v4.1.3, v4.1.4, v4.1.5, v4.1.6, v4.1.7, v4.1.8, v4.1.9, v4.2.0, v4.2.1, v4.2.10, v4.2.2, v4.2.3, v4.2.4, v4.2.5, v4.2.6, v4.2.7, v4.2.8, v4.2.9

View affected-version evidence
{
  "ranges": [
    {
      "events": [
        {
          "introduced": "0"
        },
        {
          "fixed": "4.2.11"
        }
      ],
      "type": "ECOSYSTEM"
    }
  ],
  "versions": [
    "4.0.0",
    "4.0.0-rc.4",
    "v4.0.0-alpha.3",
    "v4.0.0-alpha.4",
    "v4.0.0-alpha.5",
    "v4.0.0-beta.1",
    "v4.0.0-beta.2",
    "v4.0.0-beta.3",
    "v4.0.0-beta.4",
    "v4.0.0-rc.1",
    "v4.0.0-rc.2",
    "v4.0.0-rc.2.1",
    "v4.0.0-rc.3",
    "v4.0.1",
    "v4.0.2",
    "v4.0.3",
    "v4.0.4",
    "v4.0.5",
    "v4.1.0",
    "v4.1.1",
    "v4.1.2",
    "v4.1.3",
    "v4.1.4",
    "v4.1.5",
    "v4.1.6",
    "v4.1.7",
    "v4.1.8",
    "v4.1.9",
    "v4.2.0",
    "v4.2.1",
    "v4.2.10",
    "v4.2.2",
    "v4.2.3",
    "v4.2.4",
    "v4.2.5",
    "v4.2.6",
    "v4.2.7",
    "v4.2.8",
    "v4.2.9"
  ]
}

References