Ecosyste.ms: Advisories

Security Advisories: GSA_kwCzR0hTQS13NmpyLXdqNjQtbWM5eM0g-w

Deserialization of Untrusted Data in Codeigniter4

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

Permalink: https://github.com/advisories/GHSA-w6jr-wj64-mc9x
JSON: https://advisories.ecosyste.ms/api/v1/advisories/GSA_kwCzR0hTQS13NmpyLXdqNjQtbWM5eM0g-w
Source: GitHub Advisory Database
Origin: Unspecified
Severity: High
Classification: General
Published: over 2 years ago
Updated: 4 months ago

CVSS Score: 7.7
CVSS vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:H/A:H

Identifiers: GHSA-w6jr-wj64-mc9x, CVE-2022-21647
References:

• https://github.com/codeigniter4/CodeIgniter4/security/advisories/GHSA-w6jr-wj64-mc9x
• https://nvd.nist.gov/vuln/detail/CVE-2022-21647
• https://github.com/codeigniter4/CodeIgniter4/commit/ce95ed5765256e2f09f3513e7d42790e0d6948f5
• https://github.com/FriendsOfPHP/security-advisories/blob/master/codeigniter4/framework/CVE-2022-21647.yaml
• https://github.com/advisories/GHSA-w6jr-wj64-mc9x

Repository: https://github.com/codeigniter4/CodeIgniter4
Blast Radius: 25.7

Affected Packages