CVE-2020-9495 : What You Need to Know

Apache Archiva login service before version 2.2.5 is vulnerable to LDAP injection, allowing attackers to retrieve user attribute data from the connected LDAP server.

Understanding CVE-2020-9495

What is CVE-2020-9495?

Apache Archiva login service is susceptible to LDAP injection, enabling unauthorized access to LDAP user attribute data.

The Impact of CVE-2020-9495

Attackers can exploit this vulnerability to retrieve sensitive user attribute data from the LDAP server.
By manipulating the LDAP filter, attackers can access arbitrary attribute data from LDAP user objects.

Technical Details of CVE-2020-9495

Vulnerability Description

The vulnerability in Apache Archiva login service allows for LDAP injection, potentially leading to information disclosure.

Affected Systems and Versions

Product: Apache Archiva
Versions Affected: Apache Archiva 2.2.4 and below

Exploitation Mechanism

Attackers can exploit the LDAP injection vulnerability by providing special values in the login form to manipulate the LDAP filter.
By measuring the response time for login requests, attackers can extract arbitrary attribute data from LDAP user objects.

Mitigation and Prevention

Immediate Steps to Take

Upgrade Apache Archiva to version 2.2.5 or above to mitigate the LDAP injection vulnerability.
Implement input validation mechanisms to prevent malicious input in login forms.

Long-Term Security Practices

Regularly monitor and audit LDAP queries for any suspicious activities.
Educate users on secure login practices and the importance of strong passwords.

Patching and Updates

Stay informed about security updates and patches released by Apache for Apache Archiva to address vulnerabilities promptly.