CVE-2004-1707 in Application Server Portal
Summary
by MITRE
The (1) dbsnmp and (2) nmo programs in Oracle 8i, Oracle 9i, and Oracle IAS 9.0.2.0.1, on Unix systems, use a default path to find and execute library files while operating at raised privileges, which allows certain Oracle user accounts to gain root privileges via a modified libclntsh.so.9.0.
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Analysis
by VulDB Data Team • 07/05/2025
The vulnerability described in CVE-2004-1707 represents a critical privilege escalation flaw affecting Oracle database software versions 8i, 9i, and Oracle IAS 9.0.2.0.1 running on unix systems. This vulnerability specifically targets the dbsnmp and nmo programs which are part of Oracle's database management system and are designed to operate with elevated privileges to perform administrative functions. The core issue lies in how these programs handle dynamic library loading during execution, creating a path traversal vulnerability that can be exploited by malicious actors.
The technical flaw manifests when the dbsnmp and nmo programs execute with root privileges but fail to properly validate or restrict the library search path. These programs are configured to automatically locate and load shared libraries such as libclntsh.so.9.0 from system paths without implementing proper security controls. This default behavior creates an opportunity for attackers to manipulate the library loading process by placing malicious versions of these libraries in directories that are searched before the legitimate system locations. The vulnerability is particularly dangerous because it allows unprivileged Oracle user accounts to escalate their privileges to root level access.
The operational impact of this vulnerability is severe and far-reaching for organizations using affected Oracle versions. Attackers who gain access to any Oracle user account can exploit this flaw to obtain complete system control, potentially leading to data theft, system compromise, and unauthorized access to sensitive corporate information. The vulnerability affects the fundamental security model of Oracle installations, as it bypasses normal privilege boundaries and allows lateral movement within the system. This type of privilege escalation vulnerability is particularly concerning in enterprise environments where Oracle databases often contain critical business data and where system administrators rely on proper privilege separation for security.
This vulnerability maps directly to CWE-426, which describes the weakness of Untrusted Search Path, and aligns with ATT&CK technique T1068, which covers Exploitation for Privilege Escalation. Organizations should immediately implement mitigations including updating to patched versions of Oracle software, implementing proper library path restrictions, and ensuring that Oracle programs do not execute with unnecessary elevated privileges. The vulnerability also highlights the importance of following security best practices such as implementing least privilege principles and regularly auditing system configurations to prevent similar issues in the future. System administrators should conduct thorough security assessments of their Oracle installations and consider implementing additional monitoring and access controls to detect potential exploitation attempts.