CVE-2009-0469 in Fulltext search CGI
Summary
by MITRE
Unspecified vulnerability in futomi s CGI Cafe Fulltext search CGI 1.1.2 allows remote attackers to gain administrative privileges via unknown vectors.
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Analysis
by VulDB Data Team • 11/29/2017
The vulnerability identified as CVE-2009-0469 affects futomi s CGI Cafe Fulltext search CGI version 1.1.2, representing a critical security flaw that enables remote attackers to escalate their privileges to administrative levels within the affected system. This unspecified vulnerability demonstrates a significant weakness in the authentication and authorization mechanisms of the CGI application, potentially allowing unauthorized users to bypass normal access controls and assume full administrative responsibilities.
The technical nature of this vulnerability lies in its unspecified attack vectors, which suggests that multiple pathways could be exploited to achieve administrative access. Such unspecified nature often indicates either a complex underlying flaw or a deliberate obfuscation of the specific technical mechanism by the vulnerability reporter. The flaw likely resides in improper input validation, insufficient session management, or flawed privilege checking routines within the CGI script's codebase. Given that this is a CGI application, the vulnerability may stem from inadequate sanitization of user-supplied parameters that are processed by the server-side script, potentially enabling injection attacks or manipulation of internal application logic.
The operational impact of this vulnerability is severe and far-reaching, as it fundamentally compromises the security model of the affected system. An attacker who successfully exploits this vulnerability could gain complete control over the CGI Cafe Fulltext search functionality, potentially leading to data theft, system modification, or complete service disruption. The administrative privileges obtained through this exploit would allow attackers to modify search indexes, alter configuration parameters, access restricted content, and potentially use the compromised system as a launching point for further attacks within the network infrastructure. This vulnerability essentially provides a backdoor into the administrative interface, undermining the principle of least privilege and potentially enabling lateral movement attacks against other systems.
The vulnerability aligns with CWE-284, which addresses improper access control issues in software applications, and may also relate to CWE-255, concerning credentials management flaws. From an ATT&CK framework perspective, this vulnerability maps to privilege escalation techniques and could be leveraged as part of a broader attack chain involving initial access through web application exploitation followed by lateral movement. The unspecified nature of the vectors suggests that the vulnerability may be exploitable through multiple methods including parameter manipulation, cookie tampering, or session hijacking techniques. Organizations running this version of the CGI application should consider immediate remediation, including updating to the latest supported version, implementing proper access controls, and conducting comprehensive security assessments of their web applications to identify similar vulnerabilities.
Mitigation strategies should include immediate patching of the affected CGI application to the latest version that addresses this vulnerability, along with comprehensive code review to identify and address potential similar flaws in other applications. Network segmentation and proper firewall rules should be implemented to restrict access to administrative interfaces, while robust logging and monitoring should be deployed to detect suspicious access patterns. Additionally, implementing multi-factor authentication and regular security audits would provide additional layers of protection against exploitation attempts targeting this type of privilege escalation vulnerability.