HighGHSA-w6jr-wj64-mc9xBIT-codeigniter-2022-21647CVE-2022-21647

Deserialization of Untrusted Data in Codeigniter4

Published 6 Jan 2022 · Updated 16 Feb 2024

Affected package

Affected: <4.1.6
Fixed in: 4.1.6

Update to the fixed version for your release line, for example:composer require codeigniter4/framework:^4.1.6

Details

Impact

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.

Patches

Upgrade to v4.1.6 or later.

Workarounds

Do not use:

old() and form_helper
RedirectResponse::withInput() and redirect()->withInput()

References

PHP Object Injection | OWASP

For more information

If you have any questions or comments about this advisory:

Open an issue in codeigniter4/CodeIgniter4
Email us at SECURITY.md

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References

Advisory data from OSV.dev (opens OSV.dev in a new tab), refreshed daily.