CVE-2021-38268 : Security Advisory and Response
Learn about CVE-2021-38268, a vulnerability in the Dynamic Data Mapping module of Liferay Portal allowing site members to add and duplicate forms, posing security risks. Find out the impact, affected versions, and mitigation steps.
This article provides details about CVE-2021-38268, a vulnerability in the Dynamic Data Mapping module in Liferay Portal affecting versions 7.0.0 through 7.3.6 and Liferay DXP.
Understanding CVE-2021-38268
This section delves into the specifics of CVE-2021-38268.
What is CVE-2021-38268?
The Dynamic Data Mapping module in Liferay Portal has a vulnerability that incorrectly sets default permissions for site members, enabling remote authenticated users with the site member role to add and duplicate forms through the UI or the API.
The Impact of CVE-2021-38268
This vulnerability could be exploited by malicious users to tamper with forms and potentially disrupt or gain unauthorized access to sensitive data, posing a security risk to organizations using vulnerable versions of Liferay Portal.
Technical Details of CVE-2021-38268
This section provides technical insights into CVE-2021-38268.
Vulnerability Description
The vulnerability arises from the misconfiguration of default permissions for site members, granting them unintended access to form manipulation capabilities.
Affected Systems and Versions
Liferay Portal versions 7.0.0 through 7.3.6 and Liferay DXP versions 7.0 before fix pack 101, 7.1 before fix pack 21, 7.2 before fix pack 10, and 7.3 before fix pack 2 are impacted by this vulnerability.
Exploitation Mechanism
Remote authenticated users with the site member role can exploit this vulnerability to add and duplicate forms via the user interface or through the application programming interface (API).
Mitigation and Prevention
This section outlines steps to mitigate and prevent the exploitation of CVE-2021-38268.
Immediate Steps to Take
Organizations using vulnerable Liferay Portal versions should apply the necessary security patches provided by the vendor. It is crucial to restrict access permissions to mitigate the risk of unauthorized form manipulation.
Long-Term Security Practices
Regularly updating systems, conducting security assessments, and enforcing the principle of least privilege can enhance overall security posture and help prevent similar vulnerabilities in the future.
Patching and Updates
Staying informed about security advisories from Liferay and promptly applying released patches is essential to address known vulnerabilities and protect systems from potential exploitation.