CVE-2022-42123 : Security Advisory and Response
Understand CVE-2022-42123, a Zip slip vulnerability in Elasticsearch Connector affecting Liferay Portal and DXP. Learn about the impact, affected versions, and mitigation steps.
A Zip slip vulnerability in the Elasticsearch Connector in Liferay Portal 7.3.3 through 7.4.3.18, and Liferay DXP 7.3 before update 6, and 7.4 before update 19 allows attackers to create or overwrite existing files on the filesystem via the installation of a malicious Elasticsearch Sidecar plugin.
Understanding CVE-2022-42123
This section provides insights into the CVE-2022-42123 vulnerability in Elasticsearch Connector in Liferay Portal and Liferay DXP.
What is CVE-2022-42123?
CVE-2022-42123 is a Zip slip vulnerability that enables attackers to manipulate files on the filesystem by leveraging a malicious Elasticsearch Sidecar plugin in affected versions of Liferay Portal and Liferay DXP.
The Impact of CVE-2022-42123
The impact of this vulnerability is significant as it allows malicious actors to modify or create files, potentially leading to unauthorized access and data compromise.
Technical Details of CVE-2022-42123
In this section, you will find specific technical details regarding the CVE-2022-42123 vulnerability.
Vulnerability Description
The vulnerability resides in the Elasticsearch Connector in Liferay Portal versions 7.3.3 through 7.4.3.18 and Liferay DXP versions 7.3 and 7.4 before respective updates. It allows for file manipulation through a malicious Elasticsearch Sidecar plugin installation.
Affected Systems and Versions
The Zip slip vulnerability impacts Liferay Portal versions 7.3.3 through 7.4.3.18 and Liferay DXP versions 7.3 and 7.4 before specific updates, exposing these systems to potential file system exploitation.
Exploitation Mechanism
Attackers can exploit CVE-2022-42123 by deploying a malicious Elasticsearch Sidecar plugin, granting them the capability to overwrite or create files on the underlying filesystem.
Mitigation and Prevention
This section outlines the steps to mitigate the risks associated with CVE-2022-42123.
Immediate Steps to Take
Users are advised to update Liferay Portal to versions beyond 7.4.3.18 and Liferay DXP to versions beyond the respective vulnerability fixes to prevent exploitation.
Long-Term Security Practices
Implementing secure coding practices and regular security audits can enhance the overall security posture of systems and prevent similar vulnerabilities from being exploited.
Patching and Updates
Regularly applying security patches and updates provided by Liferay for both Portal and DXP instances is crucial to safeguard against known vulnerabilities like CVE-2022-42123.