CVE-2002-1202 in Tru64
Summary
by MITRE
Unknown vulnerability in routed for HP Tru64 UNIX V4.0F through V5.1A allows local and remote attackers to read arbitrary files.
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Analysis
by VulDB Data Team • 06/30/2024
The vulnerability identified as CVE-2002-1202 represents a critical security flaw within the routed daemon implementation on HP Tru64 UNIX operating systems spanning versions 4.0F through 5.1A. This issue affects the routing daemon component that manages network routing tables and communication between different network segments. The vulnerability stems from improper access controls and file handling mechanisms within the routed service, creating an exploitable condition that allows unauthorized access to system resources. The flaw specifically enables both local users and remote attackers to read arbitrary files on the affected system, potentially exposing sensitive configuration data, authentication credentials, and other confidential information.
The technical nature of this vulnerability can be classified as a privilege escalation and information disclosure flaw that operates at the network service level. The routed daemon typically runs with elevated privileges to manage network routing protocols and maintain system connectivity. However, the implementation contains a critical flaw in how it processes file access requests, allowing attackers to manipulate the service into reading files outside of its intended scope. This type of vulnerability aligns with CWE-22, which describes improper limitation of a pathname to a restricted directory, commonly known as path traversal attacks. The vulnerability exploits the lack of proper input validation and access control enforcement within the routing daemon's file handling routines, enabling attackers to bypass normal file system security boundaries.
The operational impact of CVE-2002-1202 extends beyond simple information disclosure, as it provides attackers with the ability to access sensitive system files that may contain authentication tokens, network configuration parameters, and system settings. This capability enables attackers to perform reconnaissance activities, identify system vulnerabilities, and potentially escalate privileges within the affected environment. The vulnerability affects systems where the routed service is actively running and accessible, making it particularly dangerous in networked environments where routing services are commonly deployed. Remote exploitation capabilities mean that attackers can leverage this vulnerability from outside the local network, expanding the potential attack surface significantly. The impact is further amplified by the fact that many organizations rely on routing daemons for network connectivity management, making this vulnerability a prime target for exploitation.
Mitigation strategies for CVE-2002-1202 should focus on immediate patching and configuration hardening measures. System administrators should apply the relevant security patches provided by HP for affected Tru64 UNIX versions, which typically address the file access control mechanisms within the routed daemon. In cases where patching is not immediately possible, administrators should disable the routed service entirely if it is not required for network operations. Network segmentation and firewall rules should be implemented to restrict access to routing services, limiting both local and remote access to the affected daemon. Additionally, monitoring should be enhanced to detect unusual file access patterns or network traffic related to routing protocols. The vulnerability demonstrates the importance of proper privilege separation and input validation in network services, aligning with ATT&CK technique T1068 which covers local privilege escalation through service exploitation. Organizations should also consider implementing comprehensive network monitoring solutions to detect potential exploitation attempts and maintain audit logs of file access activities for forensic analysis.