CVE-2000-1017 in WebData
Summary
by MITRE
Webteachers Webdata allows remote attackers with valid Webdata accounts to read arbitrary files by posting a request to import the file into the WebData database.
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Analysis
by VulDB Data Team • 05/28/2018
The vulnerability identified as CVE-2000-1017 resides within the Webteachers Webdata application, a web-based database management system designed for educational institutions. This flaw represents a classic path traversal vulnerability that exploits improper input validation mechanisms within the application's file handling processes. The vulnerability specifically affects the import functionality of the Webdata database system, which is commonly used for managing educational content and student records within academic environments.
The technical exploitation of this vulnerability occurs through a carefully crafted HTTP POST request that targets the application's import mechanism. When a legitimate user with valid Webdata credentials submits a request to import data, the application fails to properly validate or sanitize the file path specified in the import command. This validation failure allows attackers to specify arbitrary file paths that point to sensitive system files outside the intended import directory. The vulnerability stems from inadequate input sanitization and path validation, enabling attackers to bypass normal file access controls and retrieve confidential information from the underlying operating system.
From an operational perspective, this vulnerability presents significant security risks to educational institutions utilizing Webteachers Webdata systems. Attackers with valid user accounts can leverage this flaw to access sensitive data including student records, administrative files, and potentially system configuration information. The impact extends beyond simple data theft as the vulnerability could enable further exploitation attempts such as privilege escalation or system compromise. Organizations using this software face potential regulatory violations under data protection laws, as unauthorized access to educational records could result in compliance failures and legal consequences.
The vulnerability aligns with CWE-22, which describes improper limitation of a pathname to a restricted directory, commonly known as path traversal or directory traversal attacks. This classification indicates the fundamental flaw in input validation and access control mechanisms within the application. From an adversarial perspective, this vulnerability maps to multiple ATT&CK techniques including T1078 Valid Accounts for initial access and T1566 Phishing for credential acquisition, as attackers typically need valid user accounts before exploiting this weakness. The attack chain typically involves gaining legitimate access through social engineering or credential theft, followed by exploitation of this specific file reading vulnerability to extract sensitive information.
Mitigation strategies for CVE-2000-1017 should focus on implementing proper input validation and access control measures within the Webdata application. Organizations should immediately apply security patches or updates provided by Webteachers, as this vulnerability was likely addressed in subsequent releases of the software. Network segmentation and access control policies should be implemented to limit the scope of damage if the vulnerability is exploited. Additionally, organizations should conduct comprehensive security assessments of their educational database systems to identify similar vulnerabilities and implement proper file access controls. Regular security monitoring and logging of import activities can help detect suspicious access patterns and potential exploitation attempts. The vulnerability serves as a reminder of the critical importance of input validation and proper access control mechanisms in web applications, particularly those handling sensitive educational data.