CVE-2005-4758 in WebLogic Server
Summary
by MITRE
Unspecified vulnerability in the Administration server in BEA WebLogic Server and WebLogic Express 8.1 SP3 and earlier allows remote authenticated Admin users to read arbitrary files via unknown attack vectors related to an "internal servlet" accessed through HTTP.
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Analysis
by VulDB Data Team • 06/20/2019
The vulnerability described in CVE-2005-4758 represents a critical security flaw within the BEA WebLogic Server and WebLogic Express platforms, specifically affecting versions 8.1 SP3 and earlier. This issue resides within the administration server component and manifests as an unspecified vulnerability that enables remote authenticated administrative users to access arbitrary files through HTTP connections. The vulnerability's impact is particularly concerning because it leverages the existing administrative privileges of authenticated users to escalate their access capabilities beyond normal operational boundaries. The flaw operates through an internal servlet mechanism that is accessible via standard HTTP protocols, creating an unexpected attack surface that bypasses normal security controls. This type of vulnerability demonstrates the inherent risks associated with complex enterprise application servers where administrative components may expose unexpected interfaces to external networks.
The technical nature of this vulnerability involves an internal servlet component that is accessible through HTTP requests, allowing authenticated administrative users to perform file reading operations that should normally be restricted. The unspecified attack vectors indicate that the vulnerability could potentially be exploited through multiple pathways, making it particularly dangerous as attackers may discover new methods of exploitation over time. This flaw represents a privilege escalation issue where legitimate administrative users can leverage their existing credentials to access files they should not normally be able to read, potentially including sensitive configuration files, database connection details, or other administrative resources. The vulnerability's classification as an internal servlet access issue aligns with common patterns found in web application security where administrative components expose interfaces that can be manipulated to access system resources beyond their intended scope. The use of HTTP protocols for accessing internal servlets creates a direct pathway for exploitation that bypasses traditional network segmentation and access controls.
The operational impact of this vulnerability extends beyond simple information disclosure, as the ability to read arbitrary files can lead to complete system compromise when combined with other attack vectors. Administrative users with legitimate access to the system can exploit this vulnerability to obtain sensitive data such as database credentials, application configuration files, or other administrative resources that could be used for further attacks. The remote nature of the attack means that exploitation does not require physical access to the system, making it particularly dangerous in enterprise environments where administrative access may be granted across wide geographic areas. This vulnerability also represents a significant risk to compliance requirements, as unauthorized file access could violate data protection regulations and expose sensitive organizational information. The potential for data exfiltration through this vulnerability makes it a prime target for attackers seeking to gain intelligence about the target environment or extract valuable information for additional attacks.
Mitigation strategies for CVE-2005-4758 should focus on immediate patching of affected systems, as this vulnerability affects versions 8.1 SP3 and earlier of BEA WebLogic Server and WebLogic Express. Organizations should implement strict access controls for administrative interfaces, ensuring that administrative users are granted the minimum necessary privileges and that administrative access is restricted to trusted networks. Network segmentation should be implemented to isolate administrative components from general user access, preventing unauthorized users from accessing administrative interfaces. The implementation of web application firewalls and intrusion detection systems can help monitor for suspicious activity related to administrative servlet access. Regular security audits should be conducted to identify and remediate similar vulnerabilities in other components of the web application stack. Additionally, organizations should consider implementing multi-factor authentication for administrative access and maintain detailed logging of administrative activities to detect potential exploitation attempts. This vulnerability serves as a reminder of the importance of secure configuration management and the need for comprehensive security testing of administrative interfaces in enterprise application servers. The flaw's presence in widely deployed enterprise software underscores the critical importance of maintaining up-to-date security patches and implementing robust security monitoring practices to detect and respond to potential exploitation attempts.