CVE-2006-5357 in Application Server
Summary
by MITRE
Unspecified vulnerability in Oracle HTTP Server component in Oracle Application Server 10.1.2.0.1, 10.1.2.0.2, and 10.1.2.1.0 has unknown impact and remote attack vectors related to the PHP Module, aka Vuln# OHS03.
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Analysis
by VulDB Data Team • 04/24/2026
The vulnerability identified as CVE-2006-5357 represents a critical security flaw within the Oracle HTTP Server component of Oracle Application Server versions 10.1.2.0.1, 10.1.2.0.2, and 10.1.2.1.0. This issue specifically affects the PHP Module functionality and is categorized under the broader vulnerability designation OHS03. The unspecified nature of both the impact and attack vectors indicates that this vulnerability presents significant risks to systems running these vulnerable versions, though the exact technical details of exploitation remain partially obscured in the initial description.
The technical flaw resides within the PHP Module implementation of the Oracle HTTP Server, which serves as a web server component that processes and serves PHP content. This module likely handles PHP script execution and parsing, creating potential entry points for malicious actors to exploit. The vulnerability's classification as a remote attack vector suggests that attackers can potentially exploit this flaw from external networks without requiring local system access or credentials. The presence of a PHP Module vulnerability within Oracle Application Server indicates that the implementation may not properly validate or sanitize input parameters, potentially allowing for code injection or arbitrary command execution.
From an operational perspective, systems running these vulnerable Oracle Application Server versions face substantial risk of compromise. The remote attack capability means that malicious actors could potentially execute arbitrary code on affected servers, leading to complete system compromise, data exfiltration, or service disruption. Organizations utilizing Oracle Application Server with the affected PHP Module versions would be particularly vulnerable to attacks targeting their web applications and underlying server infrastructure. The unspecified impact parameter suggests that the vulnerability could potentially lead to various security consequences including privilege escalation, denial of service, or complete system takeover depending on the specific exploitation method used.
The vulnerability aligns with common security weaknesses documented in the CWE (Common Weakness Enumeration) catalog, particularly those related to input validation and code execution flaws within web server components. This issue demonstrates the critical importance of maintaining up-to-date security patches for enterprise web server software, as vulnerabilities in core components like HTTP servers can provide attackers with broad access to organizational networks. Organizations should consider implementing network segmentation and monitoring to detect potential exploitation attempts, while also evaluating their overall security posture against the ATT&CK framework's web application exploitation techniques. The lack of specific details in the vulnerability description underscores the need for thorough security assessments and proactive patch management strategies to address unknown or partially disclosed vulnerabilities that may exist in legacy software components.
Mitigation strategies should prioritize immediate patching of affected Oracle Application Server installations, with careful testing to ensure compatibility with existing applications. Organizations should also implement network-based controls such as firewalls and intrusion detection systems to monitor for suspicious traffic patterns that may indicate exploitation attempts. Regular security assessments and vulnerability scanning should be conducted to identify other potential weaknesses in the web server infrastructure. Additionally, implementing application-level security measures including input validation, output encoding, and secure coding practices can help reduce the attack surface for similar vulnerabilities in other components of the application stack.