CVE-2021-29043 : Security Advisory and Response
Learn about CVE-2021-29043 affecting Liferay Portal and DXP, allowing attackers to steal proxy passwords, leading to potential unauthorized access and data breaches. Find mitigation steps here.
The Portal Store module in Liferay Portal and Liferay DXP versions prior to specified fix packs is vulnerable to an information disclosure flaw that could be exploited by attackers.
Understanding CVE-2021-29043
This CVE highlights a security issue in the way the S3 store's proxy password is handled within the Portal Store module.
What is CVE-2021-29043?
The vulnerability in Liferay Portal and Liferay DXP versions allows threat actors to capture the proxy password through man-in-the-middle attacks or shoulder surfing.
The Impact of CVE-2021-29043
The lack of obfuscation for the S3 store's proxy password exposes sensitive information, enabling unauthorized access to the system and potential data breaches.
Technical Details of CVE-2021-29043
This section dives deeper into the technical aspects of the vulnerability.
Vulnerability Description
The flaw arises from the failure to obfuscate the S3 store's proxy password, facilitating password theft through various attack methods.
Affected Systems and Versions
Liferay Portal 7.0.0 through 7.3.5, Liferay DXP 7.0 before fix pack 97, 7.1 before fix pack 21, 7.2 before fix pack 10, and 7.3 before fix pack 1 are impacted by this vulnerability.
Exploitation Mechanism
Attackers can exploit this vulnerability by intercepting the unencrypted proxy password during transmission, leading to unauthorized access to sensitive resources.
Mitigation and Prevention
To address CVE-2021-29043, immediate actions and long-term security practices are recommended.
Immediate Steps to Take
Organizations should update affected Liferay Portal and Liferay DXP versions to the latest fix packs to mitigate the vulnerability. Additionally, review and secure any exposed proxy passwords.
Long-Term Security Practices
Implement encryption mechanisms for sensitive data transmission and ensure secure password handling practices to prevent similar incidents in the future.
Patching and Updates
Regularly monitor and apply software updates provided by Liferay to keep systems protected against known vulnerabilities.