CVE-2015-0545 in Unisphere for VMAX
Summary
by MITRE
EMC Unisphere for VMAX 8.x before 8.0.3.4 sets up the Java Debugging Wire Protocol (JDWP) service, which allows remote attackers to execute arbitrary code via unspecified vectors.
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Analysis
by VulDB Data Team • 05/22/2022
The vulnerability identified as CVE-2015-0545 affects EMC Unisphere for VMAX 8.x versions prior to 8.0.3.4 and represents a critical security flaw that exposes the Java Debugging Wire Protocol service to remote attackers. This issue stems from the improper configuration of JDWP which is typically used for debugging Java applications but becomes a serious security risk when accessible from external networks without proper authentication mechanisms. The vulnerability falls under CWE-284 which addresses improper access control and specifically relates to the exposure of debugging services that should remain restricted to authorized personnel only. The flaw enables remote code execution through unspecified attack vectors that leverage the JDWP service's accessibility.
The technical implementation of this vulnerability involves the JDWP service running on a network port that accepts incoming connections without requiring authentication or proper authorization checks. This creates an attack surface that allows malicious actors to establish debugging connections to the Java application hosting the Unisphere interface. The attack vector typically involves connecting to the JDWP port using standard debugging protocols and leveraging the debugging interface to execute arbitrary code within the context of the running Java process. This represents a privilege escalation vulnerability since the debugging interface often operates with elevated privileges compared to normal application functionality, potentially allowing attackers to gain system-level access to the storage management platform.
The operational impact of this vulnerability is severe for organizations utilizing EMC Unisphere for VMAX systems, as it provides attackers with the capability to execute arbitrary code remotely without requiring valid credentials for the storage management interface. This vulnerability affects the integrity and confidentiality of the entire storage infrastructure managed by Unisphere, potentially allowing attackers to modify storage configurations, access sensitive data, or disrupt storage operations. The vulnerability also impacts the availability of the system since attackers could potentially cause system crashes or denial of service conditions through malicious code execution. Organizations may face significant regulatory and compliance implications as this vulnerability could lead to unauthorized access to critical storage assets and potential data breaches that violate information security standards.
Organizations should implement immediate mitigations including disabling the JDWP service in production environments, configuring network firewalls to block access to JDWP ports, and ensuring that any debugging services are properly secured with strong authentication mechanisms. The recommended remediation involves updating to EMC Unisphere for VMAX 8.0.3.4 or later versions where the vulnerability has been addressed through proper configuration management and security hardening. Security teams should also conduct comprehensive network scanning to identify any exposed JDWP services and implement monitoring solutions to detect unauthorized access attempts to debugging interfaces. This vulnerability aligns with ATT&CK technique T1059 which covers command and scripting interpreter and demonstrates how exposed debugging interfaces can be leveraged for remote code execution attacks. The incident also highlights the importance of following security best practices such as the principle of least privilege and secure configuration management as outlined in various cybersecurity frameworks including NIST SP 800-53 and ISO 27001 standards.