CVE-2020-27848 : Security Advisory and Response

dotCMS before version 20.10.1 is susceptible to SQL injection through the orderby parameter in the /api/v1/containers endpoint. This vulnerability allows for potential SQL injection attacks, particularly when the orderBy parameter is not sanitized. Exploiting this issue requires the user to be an authenticated manager within the dotCMS system.

Understanding CVE-2020-27848

What is CVE-2020-27848?

CVE-2020-27848 is a security vulnerability found in dotCMS versions prior to 20.10.1, enabling SQL injection attacks through the orderby parameter in the /api/v1/containers endpoint.

The Impact of CVE-2020-27848

The vulnerability in dotCMS could lead to SQL injection attacks, potentially compromising the integrity and confidentiality of the data stored within the affected systems.

Technical Details of CVE-2020-27848

Vulnerability Description

The PaginatorOrdered classes used for paginating results in REST endpoints within dotCMS do not properly sanitize the orderBy parameter, making them vulnerable to SQL injection attacks.

Affected Systems and Versions

Affected Version: dotCMS before 20.10.1

Exploitation Mechanism

To exploit this vulnerability, an authenticated manager in the dotCMS system can manipulate the orderby parameter in the /api/v1/containers endpoint to execute SQL injection attacks.

Mitigation and Prevention

Immediate Steps to Take

Upgrade dotCMS to version 20.10.1 or later to mitigate the SQL injection vulnerability.
Regularly monitor and audit the orderby parameter inputs to detect any suspicious activities.

Long-Term Security Practices

Implement input validation mechanisms to sanitize user inputs effectively.
Educate users on secure coding practices to prevent SQL injection vulnerabilities.

Patching and Updates

Stay informed about security updates and patches released by dotCMS to address known vulnerabilities.