CVE-2022-21705 : What You Need to Know
Learn about CVE-2022-21705, an authenticated remote code execution vulnerability in OctoberCMS. Impacts versions < 1.0.474, >= 1.1.0, < 1.1.10, and >= 2.0.0, < 2.1.27. High severity with CVSS 7.2.
OctoberCMS is a self-hosted CMS platform based on the Laravel PHP Framework. In affected versions of OctoberCMS, user input was not properly sanitized before rendering, allowing an authenticated user with specific permissions to execute arbitrary code by bypassing certain security mechanisms. This vulnerability can lead to remote code execution.
Understanding CVE-2022-21705
This CVE (CVE-2022-21705) relates to an authenticated remote code execution vulnerability discovered in OctoberCMS.
What is CVE-2022-21705?
OctoberCMS versions < 1.0.474, >= 1.1.0, < 1.1.10, and >= 2.0.0, < 2.1.27 are affected by this vulnerability. An authenticated user with the ability to manage website pages could exploit this flaw to execute arbitrary code, particularly in admin panels relying on safe mode and restricted permissions.
The Impact of CVE-2022-21705
The vulnerability has a CVSS base score of 7.2, indicating a high severity level. It can have a critical impact on confidentiality, integrity, and availability, requiring high privileges for exploitation.
Technical Details of CVE-2022-21705
Let's delve deeper into the technical aspects of CVE-2022-21705.
Vulnerability Description
In OctoberCMS, improper input sanitization allows attackers to bypass security controls and execute arbitrary code within the affected versions.
Affected Systems and Versions
CVE-2022-21705 impacts OctoberCMS versions < 1.0.474, >= 1.1.0, < 1.1.10, and >= 2.0.0, < 2.1.27.
Exploitation Mechanism
An authenticated user with specific permissions in OctoberCMS can leverage this vulnerability to execute malicious code, compromising the security of the system.
Mitigation and Prevention
Protecting your systems from CVE-2022-21705 is crucial to maintaining security.
Immediate Steps to Take
Users are advised to update their OctoberCMS to patched versions, Build 474 (v1.0.474) and v1.1.10. For those unable to upgrade immediately, applying the provided patch manually is recommended.
Long-Term Security Practices
Enforcing strict user permissions, monitoring user activities, and regularly updating systems can help prevent similar vulnerabilities in the future.
Patching and Updates
Stay informed about security updates for OctoberCMS and apply patches promptly to mitigate the risk of exploitation.