CVE-2000-1236 in Internet Application Server
Summary
by MITRE
SQL injection vulnerability in mod_sql in Oracle Internet Application Server (IAS) 3.0.7 and earlier allows remote attackers to execute arbitrary SQL commands via the query string of the URL.
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Analysis
by VulDB Data Team • 06/09/2024
The vulnerability described in CVE-2000-1236 represents a critical security flaw in Oracle Internet Application Server version 3.0.7 and earlier releases, specifically within the mod_sql module. This issue manifests as a SQL injection vulnerability that enables remote attackers to execute arbitrary SQL commands through manipulated query strings in URLs. The vulnerability stems from inadequate input validation and sanitization within the server's SQL query processing mechanism, creating a pathway for malicious actors to bypass normal authentication procedures and directly interact with the underlying database system. The affected mod_sql module serves as a bridge between the web server and database components, making it a prime target for exploitation.
The technical exploitation of this vulnerability occurs when user-supplied input from URL query strings is directly incorporated into SQL commands without proper sanitization or parameterization. This flaw falls under the Common Weakness Enumeration category of CWE-89 SQL Injection, which is classified as a high-risk vulnerability due to its potential for data breach, unauthorized access, and system compromise. Attackers can craft malicious URLs containing SQL commands that get executed by the vulnerable server, potentially allowing them to extract sensitive data, modify database records, or even escalate privileges within the database environment. The vulnerability exists because the mod_sql module fails to properly escape or validate special characters that have significance in SQL syntax, such as single quotes, semicolons, and comment markers.
The operational impact of this vulnerability extends far beyond simple data theft, as it fundamentally compromises the integrity and confidentiality of database systems. Remote attackers can leverage this weakness to perform unauthorized database operations including but not limited to data extraction, data modification, and potentially complete database takeover. The vulnerability affects the entire Oracle Internet Application Server ecosystem, making it particularly dangerous for organizations relying on this platform for web applications and database connectivity. Organizations may experience significant business disruption, regulatory compliance violations, and reputational damage if such vulnerabilities are exploited successfully. The remote nature of the attack means that adversaries do not require physical access to the system, making the vulnerability particularly attractive for widespread exploitation.
Mitigation strategies for CVE-2000-1236 should focus on immediate patching of the Oracle Internet Application Server to versions that address the SQL injection flaw in mod_sql. Organizations should implement proper input validation and parameterized queries throughout their web applications to prevent similar vulnerabilities from occurring in other components. Network segmentation and firewall rules can help limit access to vulnerable systems while patches are deployed. The implementation of web application firewalls and intrusion detection systems can provide additional layers of protection by monitoring for suspicious SQL injection patterns in network traffic. Regular security assessments and code reviews should be conducted to identify and remediate similar vulnerabilities in custom applications. Organizations should also consider implementing database activity monitoring solutions that can detect anomalous SQL command execution patterns, providing early warning capabilities for potential exploitation attempts. The vulnerability underscores the importance of following secure coding practices and maintaining up-to-date security patches as outlined in various cybersecurity frameworks including those recommended by the ATT&CK framework for preventing and detecting such database-related attacks.