CVE-2002-0215 in Agora
Summary
by MITRE
Agora.cgi 3.2r through 4.0 while in debug mode allows remote attackers to determine the full pathname of the agora.cgi file by requesting a non-existent .html file, which leaks the pathname in an error message.
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Analysis
by VulDB Data Team • 09/21/2025
The vulnerability identified as CVE-2002-0215 affects Agora.cgi versions 3.2r through 4.0 when operating in debug mode, representing a classic information disclosure flaw that exposes sensitive system path information to remote attackers. This vulnerability resides within the web application's error handling mechanism and demonstrates how improper error message generation can inadvertently reveal critical system details. The flaw specifically manifests when the application processes requests for non-existent .html files while in debug mode, causing the system to return error messages containing the full pathname of the agora.cgi file. This type of information leakage directly aligns with CWE-209, which categorizes improper error handling as a significant security concern that can provide attackers with valuable reconnaissance data. The vulnerability operates through a fundamental design flaw in the application's debugging infrastructure where error responses are not properly sanitized before being returned to clients, creating a pathway for attackers to gather system architecture information that could be leveraged in subsequent attacks.
The operational impact of this vulnerability extends beyond simple information disclosure, as it provides attackers with precise file system locations that can serve as foundational intelligence for more sophisticated exploitation attempts. When an attacker requests a non-existent .html file, the debug mode response mechanism inadvertently reveals the complete file path to the agora.cgi script, which can include directory structures, server names, and potentially sensitive organizational information about the hosting environment. This information disclosure pattern represents a significant risk within the context of the ATT&CK framework's reconnaissance phase, specifically mapping to techniques that involve information gathering and system discovery. The vulnerability's exploitation requires minimal technical skill and can be accomplished through simple HTTP requests, making it particularly dangerous as it can be discovered and exploited by automated scanning tools. The debug mode functionality, intended for development and troubleshooting purposes, becomes a security liability when deployed in production environments without proper access controls or configuration management.
Mitigation strategies for CVE-2002-0215 must address both the immediate exposure and broader security configuration issues within the Agora.cgi application. The primary recommendation involves disabling debug mode in production environments, as this functionality should never be enabled when the application is handling real user traffic. Additionally, implementing proper error handling mechanisms that sanitize all error messages before transmission can prevent path information leakage, aligning with security best practices outlined in various compliance frameworks including ISO 27001 and NIST cybersecurity guidelines. Organizations should also consider implementing web application firewalls that can detect and block suspicious file access patterns, particularly those involving requests for non-existent files that may trigger information disclosure responses. The vulnerability highlights the critical importance of proper configuration management and the principle of least privilege, ensuring that applications only expose necessary functionality in production environments. Regular security assessments and penetration testing should include verification that debug modes are properly disabled and that error handling does not expose sensitive system information, as this vulnerability demonstrates how seemingly minor configuration issues can create significant security risks in web applications.