CVE-2006-0552 in Database Server
Summary
by MITRE
Unspecified vulnerability in the Net Listener component of Oracle Database server 8.1.7.4, 9.0.1.5, 9.0.1.5 FIPS, and 9.2.0.7 has unspecified impact and attack vectors, as identified by Oracle Vuln# DB11.
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Analysis
by VulDB Data Team • 06/22/2025
The vulnerability identified as CVE-2006-0552 affects the Net Listener component of Oracle Database server versions 8.1.7.4, 9.0.1.5, 9.0.1.5 FIPS, and 9.2.0.7. This represents a critical security flaw within Oracle's database infrastructure that could potentially allow unauthorized access to database systems. The Net Listener serves as a crucial communication interface between database clients and the Oracle database server, making it a prime target for attackers seeking to compromise database environments. The vulnerability's classification as unspecified indicates that the exact nature of the flaw and its potential attack vectors were not fully disclosed in the initial vulnerability report, which is common with early vulnerability disclosures where full technical details may not have been immediately available to the public.
The technical implications of this vulnerability within the Oracle database ecosystem are significant as the Net Listener component handles network connections and protocol negotiations between database clients and servers. When a vulnerability exists in this critical communication layer, it can potentially allow attackers to exploit weaknesses in how the listener processes incoming network requests, potentially leading to unauthorized access, data manipulation, or even complete system compromise. The unspecified nature of the vulnerability's impact suggests that it could potentially enable various attack scenarios including but not limited to remote code execution, privilege escalation, or denial of service conditions that could severely impact database availability and integrity. This type of vulnerability directly impacts the confidentiality, integrity, and availability aspects of the database security model, making it a serious concern for enterprise database administrators.
From an operational perspective, this vulnerability presents substantial risks to organizations relying on Oracle Database versions affected by CVE-2006-0552. The potential for unspecified attack vectors means that security teams must assume the worst-case scenarios when evaluating their exposure, as attackers could potentially leverage this weakness in multiple ways. The vulnerability's presence in multiple versions of Oracle Database 8.1.7, 9.0.1, and 9.2.0 indicates that it was a widespread issue affecting a significant portion of the database deployment landscape during that period. Organizations with these vulnerable versions in production environments face potential exposure to attackers who may develop exploits targeting this specific weakness in the Net Listener component. The impact on database operations could range from simple service disruption to complete data compromise, making this vulnerability particularly dangerous in enterprise environments where database systems contain sensitive organizational information.
The mitigation strategies for this vulnerability typically involve immediate patching of affected Oracle Database installations to the latest available security patches provided by Oracle. Organizations should prioritize updating their database systems to versions that contain fixes for the Net Listener vulnerability, as Oracle would have released specific patches addressing the identified weakness. Additionally, network segmentation and firewall configurations should be reviewed to limit access to database listener ports, implementing the principle of least privilege access to database systems. Security monitoring should be enhanced to detect unusual network activity or connection patterns that might indicate exploitation attempts against vulnerable database listeners. Organizations should also consider implementing network intrusion detection systems that can identify potential exploitation attempts targeting the specific vulnerability. The vulnerability aligns with several ATT&CK framework techniques including initial access through network service scanning and exploitation of remote services, as well as privilege escalation and defense evasion if exploitation is successful. This vulnerability also maps to CWE categories related to network protocol handling and insufficient input validation, highlighting the importance of proper input sanitization and protocol implementation in database network components.