CVE-2012-5785 in Axis2
Summary
by MITRE
Apache Axis2/Java 1.6.2 and earlier does not verify that the server hostname matches a domain name in the subject s Common Name (CN) or subjectAltName field of the X.509 certificate, which allows man-in-the-middle attackers to spoof SSL servers via an arbitrary valid certificate.
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Analysis
by VulDB Data Team • 06/09/2017
Apache Axis2/Java versions 1.6.2 and earlier contain a critical SSL certificate validation vulnerability that fundamentally undermines secure communication protocols. This flaw resides in the SSL/TLS implementation where the system fails to properly validate the hostname against the certificate's subject common name or subject alternative name fields. The vulnerability creates a dangerous condition where attackers can establish man-in-the-middle positions by presenting any valid certificate, regardless of whether it matches the intended server hostname. This weakness directly violates the core principle of certificate-based authentication that ensures clients communicate with legitimate servers.
The technical nature of this vulnerability stems from improper SSL hostname verification implementation within the Axis2 framework. When establishing secure connections, the system should verify that the certificate presented by the server matches the hostname being accessed through the subject alternative name or common name fields. However, Axis2/Java versions prior to 1.6.3 bypass this critical validation step, allowing attackers to present certificates that are technically valid but not associated with the target server. This represents a fundamental breakdown in the certificate validation process and aligns with CWE-295, which specifically addresses improper certificate validation. The vulnerability essentially removes the hostname binding that cryptographic protocols are designed to enforce, making it trivial for attackers to impersonate legitimate services.
The operational impact of this vulnerability is severe and far-reaching across enterprise environments that utilize Apache Axis2 for web services. Attackers can exploit this weakness to intercept, modify, or redirect sensitive data flowing between clients and servers without detection. This creates opportunities for data breaches, credential theft, and service disruption that can compromise entire application ecosystems. The vulnerability affects any communication channel that relies on Axis2's SSL implementation, including SOAP web services, enterprise integration platforms, and distributed applications. Organizations using these older versions face significant risk of unauthorized access to confidential information, particularly in environments where sensitive data transmission is common. The attack vector is particularly dangerous because it requires no special privileges or complex exploitation techniques, making it accessible to threat actors with basic networking knowledge.
Security practitioners should immediately implement multiple layers of mitigation to address this vulnerability. The primary recommendation involves upgrading to Apache Axis2/Java version 1.6.3 or later, which contains the necessary certificate validation fixes. Organizations should also consider implementing additional network-level security controls such as certificate pinning, enhanced firewall rules, and monitoring for suspicious certificate usage patterns. The vulnerability demonstrates the critical importance of proper SSL/TLS implementation and aligns with ATT&CK technique T1041, which covers data encryption for impact. Additionally, organizations should conduct comprehensive vulnerability assessments to identify all systems running affected Axis2 versions and implement automated patch management processes to prevent similar issues in the future. Network segmentation and intrusion detection systems should be configured to monitor for unusual certificate validation behavior that might indicate exploitation attempts.