CVE-2002-0563 in Application Server
Summary
by MITRE
The default configuration of Oracle 9i Application Server 1.0.2.x allows remote anonymous users to access sensitive services without authentication, including Dynamic Monitoring Services (1) dms0, (2) dms/DMSDump, (3) servlet/DMSDump, (4) servlet/Spy, (5) soap/servlet/Spy, and (6) dms/AggreSpy; and Oracle Java Process Manager (7) oprocmgr-status and (8) oprocmgr-service, which can be used to control Java processes.
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Analysis
by VulDB Data Team • 09/16/2025
The vulnerability described in CVE-2002-0563 represents a critical authentication bypass flaw in Oracle 9i Application Server version 1.0.2.x that exposes multiple sensitive administrative services to unauthenticated remote access. This issue stems from the default configuration of the application server where administrative endpoints are improperly secured, allowing any remote attacker to access critical monitoring and control functionalities without requiring valid credentials. The affected services include Dynamic Monitoring Services such as dms0, dms/DMSDump, servlet/DMSDump, servlet/Spy, soap/servlet/Spy, and dms/AggreSpy, along with Oracle Java Process Manager services oprocmgr-status and oprocmgr-service that provide control over Java processes. These services collectively represent a comprehensive attack surface that could enable adversaries to gain deep visibility into the application server's operations and potentially execute unauthorized control functions.
The technical nature of this vulnerability aligns with CWE-284, which describes improper access control mechanisms, and specifically manifests as an authentication bypass vulnerability that allows unauthorized access to administrative interfaces. The flaw exists in the default installation configuration where security controls are not properly enforced, creating an environment where sensitive services remain accessible without authentication. This configuration issue enables attackers to exploit multiple entry points simultaneously, increasing the potential impact of the vulnerability. The exposed services provide both monitoring capabilities through DMSDump and AggreSpy, which can reveal system internals, and control functions through Spy and process manager services that allow manipulation of Java processes. The vulnerability's impact is exacerbated by the fact that these services are designed for legitimate administrative use but are improperly exposed to the network without access controls.
The operational impact of this vulnerability is severe and multifaceted, as it provides attackers with comprehensive access to both monitoring and control functionalities of the Oracle 9i Application Server. An attacker could leverage these exposed services to perform reconnaissance activities by accessing system information through DMSDump and AggreSpy services, potentially discovering sensitive data about the server configuration, running processes, and system resources. Additionally, the ability to control Java processes through oprocmgr-status and oprocmgr-service services could enable more destructive actions such as process termination, modification of running applications, or even privilege escalation within the application server environment. The vulnerability also aligns with ATT&CK technique T1078 which covers valid accounts usage, as the default configuration effectively provides unauthorized access through legitimate administrative endpoints. This creates a situation where the application server becomes vulnerable to both passive reconnaissance and active exploitation without requiring any specialized attack tools or techniques beyond basic network connectivity.
The remediation approach for this vulnerability requires immediate implementation of proper access controls and network segmentation measures. Organizations should ensure that all administrative services are properly secured through authentication mechanisms, including the implementation of strong passwords, role-based access controls, and proper network access restrictions. The default configuration should be reviewed and modified to disable unnecessary services or restrict access to trusted network segments only. Security administrators should implement network segmentation to isolate the application server from untrusted networks and apply firewall rules to restrict access to administrative ports and services. Additionally, regular security audits should verify that administrative services are not exposed to unnecessary network access and that proper authentication mechanisms are in place for all sensitive endpoints. This vulnerability demonstrates the critical importance of proper security configuration management and the principle of least privilege in preventing unauthorized access to critical system functions. The issue also highlights the need for regular security assessments to identify and remediate default configurations that may expose systems to unnecessary risks, particularly in enterprise environments where multiple services are deployed with potentially insecure default settings.