CVE-2022-23556: Codeigniter4/framework CodeIgniter4 Allows Spoofing Of IP Vulnerability

HIGH
Advisory Identifier: GHSA-ghw3-5qvm-3mqc
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CVSS 7.0
CWE-345
Published
Advisory Summary

CVE-2022-23556 is a HIGH (CVSS 7.0) codeigniter4 allows spoofing of ip vulnerability (CWE-345: Insufficient Verification of Data Authenticity) affecting Codeigniter4/framework libraries in the Packagist ecosystem. The issue involves codeigniter4 allows spoofing of ip address when using proxy. Remediation is available by upgrading affected packages to version 4.2.11.

CVE-2022-23556 at a Glance

CVE Identifier CVE-2022-23556
GHSA Identifier GHSA-ghw3-5qvm-3mqc
Severity HIGH
CVSS v3.1 Base Score 7.0
CWE Classification CWE-345: Insufficient Verification of Data Authenticity
Affected Product Codeigniter4/framework
Package Ecosystem Packagist
Published Date
Last Updated

Security Impact

CVSS: 7.0

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

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

How to Fix CVE-2022-23556

To remediate this vulnerability, upgrade all affected Codeigniter4/framework dependencies to a patched release. Both direct and transitive dependencies should be checked, as frameworks or security libraries may pull in vulnerable versions transitively.

codeigniter4/framework fixed: 4.2.11 
Upgrade codeigniter4/framework to 4.2.11
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 codeigniter4/framework

How to Check if You Are Affected

To determine whether your application is affected by CVE-2022-23556, inspect your project dependencies for Codeigniter4/framework:

inspect dependencies for codeigniter4/framework

Analyze the terminal output to locate any version of Codeigniter4/framework in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than 4.2.11), 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-345: Insufficient Verification of Data Authenticity, where the product does not sufficiently verify the origin or authenticity of data, in a way that causes it to accept invalid data. In Codeigniter4/framework, 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

### 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 - https://codeigniter4.github.io/userguide/incoming/request.html#CodeIgniter\HTTP\Request::getIPAddress ### For more information If you have any questions or comments about this advisory: * Open an issue in [codeigniter4/CodeIgniter4](https://github.com/codeigniter4/CodeIgniter4/issues) * Email us at [SECURITY.md](https://github.com/codeigniter4/CodeIgniter4/blob/develop/SECURITY.md)

CVE-2022-23556 Affected Codeigniter4/framework Versions

1 component(s)
Fixed Versions:
4.2.11
Product / Package Ecosystem Affected Versions Fixed Version
codeigniter4/framework
 Packagist
< 4.2.11
4.2.11

References

NVD — CVE-2022-23556 NVD
https://nvd.nist.gov/vuln/detail/CVE-2022-23556
GitHub Advisory / Wiki ADVISORY
https://github.com/codeigniter4/CodeIgniter4/security/advisories/GHSA-ghw3-5qvm-3mqc
Security Fix Commit FIX COMMIT
https://github.com/codeigniter4/CodeIgniter4/commit/5ca8c99b2db09a2a08a013836628028ddc984659
https://codeigniter4.github.io/userguide/incoming/request.html#CodeIgniter\HTTP\Request::getIPAddress WEB
https://codeigniter4.github.io/userguide/incoming/request.html#CodeIgniter\HTTP\Request::getIPAddress
Codeigniter4/framework Source Repository REPOSITORY
https://github.com/FriendsOfPHP/security-advisories/blob/master/codeigniter4/framework/CVE-2022-23556.yaml
Codeigniter4/framework Source Repository REPOSITORY
https://github.com/codeigniter4/CodeIgniter4

Frequently Asked Questions

What is CVE-2022-23556?
CVE-2022-23556 is a security vulnerability in Codeigniter4/framework involving CodeIgniter4 allows spoofing of IP address when using proxy under CWE-345: Insufficient Verification of Data Authenticity.
Which Codeigniter4/framework versions are affected?
Affected versions include releases prior to 4.2.11 across affected packages: codeigniter4/framework.
What version fixes CVE-2022-23556?
Upgrading to 4.2.11 (or the latest patched release for your respective branch) resolves the vulnerability.
Is codeigniter4/framework affected?
Yes, codeigniter4/framework is affected in releases prior to 4.2.11. Upgrade your dependency to 4.2.11 or later.
What is the CVSS score of CVE-2022-23556?
CVE-2022-23556 has a CVSS v3.1 base score of 7.0 (HIGH) with vector string CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:L.
What CWE is associated with CVE-2022-23556?
CVE-2022-23556 is classified under CWE-345: Insufficient Verification of Data Authenticity (The product does not sufficiently verify the origin or authenticity of data, in a way that causes it to accept invalid data.).
How can I check Packagist dependencies for CVE-2022-23556?
Run the dependency tree command: 'inspect dependencies for codeigniter4/framework'. 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
View Raw JSON 
{
  "schema_version" : "1.4.0",
  "id" : "GHSA-ghw3-5qvm-3mqc",
  "modified" : "2022-12-22T19:59:58Z",
  "published" : "2022-12-22T19:59:58Z",
  "aliases" : [ "CVE-2022-23556" ],
  "summary" : "CodeIgniter4 allows spoofing of IP address when using proxy",
  "details" : "### Impact\nThis vulnerability may allow attackers to spoof their IP address when your server is behind a reverse proxy.\n\n### Patches\nUpgrade to v4.2.11 or later, and configure `Config\\App::$proxyIPs`.\n\n### Workarounds\nDo not use `$request->getIPAddress()`.\n\n### References\n- https://codeigniter4.github.io/userguide/incoming/request.html#CodeIgniter\\HTTP\\Request::getIPAddress\n\n### For more information\nIf you have any questions or comments about this advisory:\n* Open an issue in [codeigniter4/CodeIgniter4](https://github.com/codeigniter4/CodeIgniter4/issues)\n* Email us at [SECURITY.md](https://github.com/codeigniter4/CodeIgniter4/blob/develop/SECURITY.md)\n",
  "severity" : [ {
    "type" : "CVSS_V3",
    "score" : "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:L"
  } ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "Packagist",
      "name" : "codeigniter4/framework"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "0"
      }, {
        "fixed" : "4.2.11"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "WEB",
    "url" : "https://github.com/codeigniter4/CodeIgniter4/security/advisories/GHSA-ghw3-5qvm-3mqc"
  }, {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2022-23556"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/codeigniter4/CodeIgniter4/commit/5ca8c99b2db09a2a08a013836628028ddc984659"
  }, {
    "type" : "WEB",
    "url" : "https://codeigniter4.github.io/userguide/incoming/request.html#CodeIgniter\\HTTP\\Request::getIPAddress"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/FriendsOfPHP/security-advisories/blob/master/codeigniter4/framework/CVE-2022-23556.yaml"
  }, {
    "type" : "PACKAGE",
    "url" : "https://github.com/codeigniter4/CodeIgniter4"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-345" ],
    "severity" : "HIGH",
    "github_reviewed" : true,
    "github_reviewed_at" : "2022-12-22T19:59:58Z",
    "nvd_published_at" : "2022-12-22T19:15:00Z"
  }
}