CVE-2020-1940 : What You Need to Know

Apache Jackrabbit Oak 1.2.0 to 1.22.0 is vulnerable to a sensitive information disclosure flaw related to password handling.

Understanding CVE-2020-1940

This CVE identifies a vulnerability in Apache Jackrabbit Oak versions 1.2.0 to 1.22.0 that could lead to sensitive information disclosure.

What is CVE-2020-1940?

The vulnerability lies in the handling of changed passwords in the initial password change and expiration features of Apache Jackrabbit Oak. The flaw allows new passwords to be exposed due to improper processing in authentication.

The Impact of CVE-2020-1940

The vulnerability could result in the disclosure of new passwords, compromising user credentials and system security. Attackers leveraging additional authentication mechanisms could exploit this flaw.

Technical Details of CVE-2020-1940

Apache Jackrabbit Oak vulnerability specifics and affected systems.

Vulnerability Description

The issue arises from the requirement to pass changed passwords as an additional attribute to the credentials object but failing to remove it during authentication, potentially revealing new passwords.

Affected Systems and Versions

Product: Apache Jackrabbit Oak
Vendor: Apache Software Foundation
Versions Affected: 1.2.0 to 1.22.0

Exploitation Mechanism

Attackers could exploit this vulnerability through independent authentication mechanisms, disclosing newly changed passwords.

Mitigation and Prevention

Steps to address and prevent exploitation of CVE-2020-1940.

Immediate Steps to Take

Update Apache Jackrabbit Oak to a non-vulnerable version to mitigate the risk.
Monitor for any unauthorized access and password changes.
Implement additional security measures such as multi-factor authentication.

Long-Term Security Practices

Regularly review and update security policies regarding password handling.
Conduct security training for users to promote secure password practices.
Employ robust monitoring and logging mechanisms to detect suspicious activities.

Patching and Updates

Apply patches or updates provided by the Apache Software Foundation for Apache Jackrabbit Oak to address the vulnerability.