{
"id": "GHSA-w6jr-wj64-mc9x",
"aliases": [
"CVE-2022-21647"
],
"details": "### Impact\nDeserialization of Untrusted Data was found in the `old()` function in CodeIgniter4.\nRemote attackers may inject auto-loadable arbitrary objects with this vulnerability, \nand possibly execute existing PHP code on the server.\nWe are aware of a working exploit, which can lead to SQL injection.\n\n### Patches\nUpgrade to v4.1.6 or later.\n\n### Workarounds\nDo not use:\n- `old()` and form_helper\n- `RedirectResponse::withInput()` and `redirect()->withInput()`\n\n### References\n- [PHP Object Injection | OWASP](https://owasp.org/www-community/vulnerabilities/PHP_Object_Injection)\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",
"summary": "Deserialization of Untrusted Data in Codeigniter4",
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "4.1.6"
}
]
}
],
"package": {
"name": "codeigniter4/framework",
"ecosystem": "Packagist"
}
}
],
"modified": "2022-01-06T19:32:43Z",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:H/A:H"
}
],
"published": "2022-01-06T22:52:41Z",
"references": [
{
"url": "https://github.com/codeigniter4/CodeIgniter4/security/advisories/GHSA-w6jr-wj64-mc9x",
"type": "WEB"
},
{
"url": "https://nvd.nist.gov/vuln/detail/CVE-2022-21647",
"type": "ADVISORY"
},
{
"url": "https://github.com/codeigniter4/CodeIgniter4/commit/ce95ed5765256e2f09f3513e7d42790e0d6948f5",
"type": "WEB"
},
{
"url": "https://github.com/FriendsOfPHP/security-advisories/blob/master/codeigniter4/framework/CVE-2022-21647.yaml",
"type": "WEB"
},
{
"url": "https://github.com/codeigniter4/CodeIgniter4",
"type": "PACKAGE"
}
],
"schema_version": "1.4.0",
"database_specific": {
"cwe_ids": [
"CWE-502"
],
"severity": "HIGH",
"github_reviewed": true,
"nvd_published_at": "2022-01-04T20:15:00Z",
"github_reviewed_at": "2022-01-06T19:32:43Z"
}
}