CVE-2012-2377 in JBoss Enterprise BRMS Platform
Summary
by MITRE
JGroups diagnostics service in JBoss Enterprise Portal Platform before 5.2.2, SOA Platform before 5.3.0, and BRMS Platform before 5.3.0, is enabled without authentication when started by the JGroups channel, which allows remote attackers in adjacent networks to read diagnostics information via a crafted IP multicast.
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Analysis
by VulDB Data Team • 03/25/2021
The vulnerability described in CVE-2012-2377 represents a critical security flaw in the JGroups diagnostics service implementation within several JBoss platform products. This issue affects JBoss Enterprise Portal Platform versions prior to 5.2.2, SOA Platform versions prior to 5.3.0, and BRMS Platform versions prior to 5.3.0, creating a significant exposure for organizations utilizing these middleware solutions. The vulnerability stems from the improper configuration of the diagnostics service, which remains accessible without any form of authentication when initiated through the JGroups channel mechanism.
The technical flaw manifests as an insecure default configuration where the JGroups diagnostics service operates in an unauthenticated state, allowing any remote attacker within the same network segment to access sensitive diagnostic information through crafted IP multicast packets. This misconfiguration creates a persistent attack surface that bypasses traditional authentication mechanisms and relies on network proximity as the primary security control. The vulnerability specifically exploits the multicast communication protocol used by JGroups to distribute diagnostic information, making it particularly dangerous in environments where multicast traffic is not properly filtered or secured.
From an operational impact perspective, this vulnerability enables attackers to gather detailed information about the internal state of JBoss applications, including cluster membership details, node configurations, and potentially sensitive operational data. The diagnostics information accessible through this vector can provide attackers with valuable intelligence for planning more sophisticated attacks, including identifying vulnerable components, understanding system architecture, and mapping network topology. This reconnaissance capability significantly increases the risk of subsequent exploitation attempts and can lead to complete system compromise.
The vulnerability aligns with CWE-284, which addresses improper access control, and demonstrates how insecure default configurations can create persistent security weaknesses. From an ATT&CK framework perspective, this issue corresponds to T1046 Network Service Scanning and T1082 System Information Discovery, as it enables adversaries to enumerate system components and gather operational intelligence without requiring direct system access. Organizations should implement immediate mitigations including disabling the diagnostics service when not actively needed, configuring proper authentication mechanisms, and ensuring network segmentation to limit the attack surface. The recommended remediation involves upgrading to the patched versions of the affected platforms and implementing proper network controls to restrict multicast traffic access.