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CVE-2022-21647GHSA-W6JR-WJ64-MC9XBIT-CODEIGNITER-2022-21647

Deserialization of Untrusted Data in Codeigniter4

Published
Last modified
published
Not listed in CISA KEV
Fix
Fixed in 4.1.6
None on Exploit-DB, Metasploit or GitHub
  • Exploitation: none
  • Automatable: no
  • Technical impact: partial

Summary

CodeIgniter is an open source PHP full-stack web framework. Deserialization of Untrusted Data was found in the `old()` function in CodeIgniter4. Remote attackers may inject auto-loadable arbitrary objects with this vulnerability, and possibly execute existing PHP code on the server. We are aware of a working exploit, which can lead to SQL injection. Users are advised to upgrade to v4.1.6 or later. Users unable to upgrade as advised to not use the `old()` function and form_helper nor `RedirectResponse::withInput()` and `redirect()->withInput()`.

Timeline

  1. CVE published
  2. CISA SSVC assessment

    Exploitation: none · Automatable: no · Technical impact: partial

  3. Record last updated
  4. EPSS reached 10%

    FIRST estimates at least a 10% chance of exploitation in the next 30 days

Affected versions

  • codeigniter4 CodeIgniter4

    fixed in 4.1.6

  • codeigniter4/frameworkPackagist

    fixed in 4.1.6

References 2

GitHub · codeigniter4/CodeIgniter4