CVE-2021-25644 : Exploit Details and Defense Strategies
Discover the impact of CVE-2021-25644 affecting Couchbase Server versions 5.x, 6.x through 6.6.1, and 7.0.0 Beta. Learn how incorrect commands to the REST API can lead to leaked authentication information.
An issue was discovered in Couchbase Server versions 5.x, 6.x through 6.6.1, and 7.0.0 Beta. Incorrect commands to the REST API can lead to leaked authentication information being stored in cleartext in debug.log and info.log files, visible in the UI to administrators.
Understanding CVE-2021-25644
This section provides an overview of the CVE-2021-25644 vulnerability.
What is CVE-2021-25644?
CVE-2021-25644 is a vulnerability found in Couchbase Server versions 5.x, 6.x through 6.6.1, and 7.0.0 Beta. It arises from incorrect commands to the REST API, resulting in leaked authentication details.
The Impact of CVE-2021-25644
The vulnerability can expose sensitive authentication information, stored in cleartext, in log files and the UI accessible to administrators.
Technical Details of CVE-2021-25644
This section delves into the technical aspects of the CVE-2021-25644 vulnerability.
Vulnerability Description
The issue arises from improper commands to the REST API, leading to the inadvertent storage of authentication details in clear text.
Affected Systems and Versions
Couchbase Server versions 5.x, 6.x through 6.6.1, and 7.0.0 Beta are impacted by this vulnerability.
Exploitation Mechanism
Attackers can exploit this vulnerability by sending incorrect commands to the REST API, triggering the leakage of sensitive authentication information.
Mitigation and Prevention
In this section, we discuss the steps to mitigate and prevent the exploitation of CVE-2021-25644.
Immediate Steps to Take
Administrators should review their Couchbase Server configurations, check logs for any leaked authentication information, and restrict access to sensitive data.
Long-Term Security Practices
Implement secure coding practices, conduct regular security audits, and educate staff on proper API usage and security protocols.
Patching and Updates
Ensure that you apply the latest patches and updates provided by Couchbase to address this vulnerability and enhance overall system security.