CVE-2004-2236 in Moodle
Summary
by MITRE
Unknown vulnerability in Moodle before 1.3.3 has unknown impact and attack vectors, related to language setting.
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Analysis
by VulDB Data Team • 06/25/2018
The vulnerability identified as CVE-2004-2236 affects Moodle learning management systems prior to version 1.3.3 and specifically relates to issues within the language setting configuration. This represents a security flaw that could potentially allow unauthorized users to manipulate system behavior through language parameter handling. The vulnerability classification as "unknown impact and attack vectors" suggests that the specific nature of the exploitation mechanism was not fully documented at the time of reporting, making it particularly concerning for system administrators who needed to assess risk without complete information about how attackers might leverage this weakness.
The technical flaw manifests in how Moodle processes language settings, particularly when users or attackers manipulate language parameters within the system. This type of vulnerability typically falls under CWE-1004 which addresses security weaknesses related to improper handling of input parameters. The language setting functionality in Moodle is critical for user interface localization and system configuration, making it an attractive target for attackers seeking to escalate privileges or gain unauthorized access to system resources. When language parameters are not properly validated or sanitized, they can potentially be exploited to execute malicious code or manipulate system behavior through injection attacks.
The operational impact of this vulnerability extends beyond simple configuration issues as it could enable attackers to manipulate user sessions, potentially leading to privilege escalation or unauthorized access to sensitive educational data. In educational environments where Moodle serves as a central platform for learning management, such vulnerabilities pose significant risks to data integrity and user privacy. The lack of specific information about attack vectors makes this vulnerability particularly dangerous as administrators cannot properly configure defenses or monitor for specific exploitation patterns. This vulnerability could be leveraged in conjunction with other weaknesses to create more sophisticated attack scenarios.
Mitigation strategies for CVE-2004-2236 should focus on immediate system updates to Moodle version 1.3.3 or later where the vulnerability has been addressed. System administrators should also implement strict input validation procedures for language parameters and consider monitoring for unusual language setting changes in system logs. The vulnerability demonstrates the importance of maintaining current software versions and implementing robust configuration management practices. Organizations using Moodle should establish regular update schedules and security assessment procedures to identify and remediate similar vulnerabilities before they can be exploited. Additionally, network segmentation and access controls can help limit the potential impact if such vulnerabilities are exploited in environments where updates cannot be immediately applied.
This vulnerability type aligns with ATT&CK technique T1068 which covers "Exploitation for Privilege Escalation" and represents a classic example of how seemingly minor configuration flaws can create significant security risks. The language setting manipulation attack vector could potentially be combined with other techniques such as T1213 "Data from Information Repositories" to access sensitive educational data or T1190 "Exploit Public-Facing Application" if the vulnerability exists in web-facing components of Moodle. The historical context of this vulnerability highlights the evolution of security practices in learning management systems and underscores the importance of comprehensive vulnerability management programs that address both known and unknown weaknesses in educational technology platforms.