CVE-2001-0074 in Technote
Summary
by MITRE
Directory traversal vulnerability in print.cgi in Technote allows remote attackers to read arbitrary files via a .. (dot dot) attack in the board parameter.
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Analysis
by VulDB Data Team • 08/08/2024
The vulnerability identified as CVE-2001-0074 represents a classic directory traversal flaw within the print.cgi script of the Technote web application. This type of vulnerability falls under the broader category of insecure direct object reference issues and is formally classified as CWE-22 according to the Common Weakness Enumeration catalog. The vulnerability specifically affects the board parameter handling within the print.cgi script, which processes requests for printing board content within the Technote platform.
The technical exploitation mechanism relies on the absence of proper input validation and sanitization for user-supplied parameters. When a remote attacker submits a malicious board parameter containing directory traversal sequences such as ..%2F or ../, the application fails to adequately sanitize this input before using it in file operations. This allows the attacker to manipulate the file system path and access files outside the intended directory structure, potentially leading to unauthorized information disclosure. The vulnerability is particularly dangerous because it enables attackers to traverse up the directory tree and access sensitive system files that should remain protected from unauthorized access.
The operational impact of this vulnerability extends beyond simple information disclosure, as it provides attackers with potential access to critical system resources including configuration files, database credentials, application source code, and other sensitive data. This represents a significant security risk for organizations using Technote, as the vulnerability can be exploited without authentication and requires minimal technical knowledge to execute successfully. The attack can be performed through simple web requests, making it particularly dangerous for web applications that are publicly accessible. According to the MITRE ATT&CK framework, this vulnerability maps to the T1083 technique for discovering files and directories, and can be leveraged as part of a broader reconnaissance phase.
Mitigation strategies for CVE-2001-0074 should focus on implementing proper input validation and sanitization mechanisms within the application code. The most effective approach involves implementing strict parameter validation that rejects or removes directory traversal sequences from user input before processing. Organizations should also implement proper access controls and privilege separation to ensure that even if traversal attacks succeed, the attacker cannot access critical system resources. Additionally, the application should be configured to run with minimal required privileges, and file access should be restricted to only necessary directories. Regular security audits and code reviews should be conducted to identify and remediate similar vulnerabilities in other components of the application. The vulnerability also highlights the importance of keeping web applications updated with the latest security patches and following secure coding practices as outlined in the OWASP Top Ten project to prevent such issues from occurring in the first place.