octobercms/october · Security
Authenticated remote code execution in October CMS
- GHSA ID
- GHSA-79jw-2f46-wv22
- CVE ID
- CVE-2022-21705
- Severity
- high
- Published
- Updated
- CVSS
- 7.2 · CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
- CVSS v3
- 7.2 · CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Description
Impact
An authenticated user with the permissions to create, modify and delete website pages can exploit this vulnerability to bypass cms.safe_mode / cms.enableSafeMode in order to execute arbitrary code.
- This issue only affects admin panels that rely on safe mode and restricted permissions.
- To exploit this vulnerability, an attacker must first have access to the backend area.
Patches
The issue has been patched in Build 474 (v1.0.474) and v1.1.10.
Workarounds
Apply https://github.com/octobercms/library/commit/c393c5ce9ca2c5acc3ed6c9bb0dab5ffd61965fe to your installation manually if unable to upgrade to Build 474 or v1.1.10.
References
Credits to:
- David Miller
For more information
If you have any questions or comments about this advisory:
- Email us at [email protected]
CWEs
- CWE-74 · Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')