CVE-2020-26168 : Security Advisory and Response
Learn about CVE-2020-26168 affecting Hazelcast IMDG Enterprise and Jet Enterprise, allowing unauthorized access due to LDAP authentication bypass. Find mitigation steps here.
Hazelcast IMDG Enterprise and Jet Enterprise are affected by a vulnerability in the LDAP authentication method, allowing users to be authenticated with invalid passwords.
Understanding CVE-2020-26168
This CVE involves a flaw in the password verification process within the LDAP authentication method in Hazelcast IMDG Enterprise and Jet Enterprise.
What is CVE-2020-26168?
The LDAP authentication method in LdapLoginModule in Hazelcast IMDG Enterprise 4.x before 4.0.3, and Jet Enterprise 4.x through 4.2, does not properly verify passwords in certain system-user-dn scenarios. This oversight enables users to be authenticated even when providing incorrect passwords.
The Impact of CVE-2020-26168
The vulnerability allows unauthorized users to gain access to systems and services by bypassing password authentication, posing a significant security risk to affected systems.
Technical Details of CVE-2020-26168
This section provides more in-depth technical insights into the vulnerability.
Vulnerability Description
The LDAP authentication method in Hazelcast IMDG Enterprise and Jet Enterprise fails to adequately verify passwords in specific scenarios, leading to authentication bypass.
Affected Systems and Versions
- Hazelcast IMDG Enterprise 4.x before 4.0.3
- Jet Enterprise 4.x through 4.2
Exploitation Mechanism
Attackers can exploit this vulnerability by providing invalid passwords during the authentication process, allowing them to gain unauthorized access to systems and resources.
Mitigation and Prevention
It is crucial to take immediate steps to address and prevent the exploitation of this vulnerability.
Immediate Steps to Take
- Upgrade to the latest patched versions of Hazelcast IMDG Enterprise and Jet Enterprise.
- Implement strong password policies and multi-factor authentication to enhance security.
Long-Term Security Practices
- Regularly monitor and audit LDAP authentication logs for any suspicious activities.
- Conduct security training for users on best practices for password management and authentication.
Patching and Updates
- Apply the necessary security patches provided by Hazelcast for IMDG Enterprise and Jet Enterprise to fix the authentication bypass issue.