CVE-2008-7153 in docebo
Summary
by MITRE
SQL injection vulnerability in the autoDetectRegion function in doceboCore/lib/lib.regset.php in Docebo 3.5.0.3 and earlier allows remote attackers to execute arbitrary SQL commands via the Accept-Language HTTP header. NOTE: this can be leveraged to execute arbitrary PHP code using the INTO DUMPFILE command.
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Analysis
by VulDB Data Team • 10/14/2024
The vulnerability identified as CVE-2008-7153 represents a critical sql injection flaw within the docebo learning management system version 3.5.0.3 and earlier. This vulnerability specifically targets the autoDetectRegion function located in the doceboCore/lib/lib.regset.php file, which serves as a core component for regional detection and configuration management. The flaw manifests when the application processes the Accept-Language HTTP header without proper input sanitization, creating an avenue for malicious actors to inject arbitrary sql commands directly into the database layer. This vulnerability classification aligns with CWE-89 which defines sql injection as the insertion of malicious sql fragments into application commands, and maps to ATT&CK technique T1190 which describes the exploitation of sql injection vulnerabilities for data manipulation and command execution.
The technical exploitation of this vulnerability occurs through the manipulation of the Accept-Language header, which is typically used by web browsers to communicate preferred language settings to web servers. When the autoDetectRegion function processes this header, it fails to properly escape or validate the input before incorporating it into sql queries. This allows attackers to construct malicious sql payloads that can bypass normal authentication mechanisms and execute unauthorized database operations. The vulnerability is particularly dangerous because it can be leveraged to execute arbitrary php code through the INTO DUMPFILE command, which enables attackers to write malicious code directly to the filesystem. This command execution capability transforms a simple sql injection into a full remote code execution vulnerability, allowing attackers to potentially gain complete control over the affected system.
The operational impact of this vulnerability extends beyond simple data theft or modification, as it provides attackers with the ability to establish persistent access to the system. The combination of sql injection and the ability to write files to the filesystem through INTO DUMPFILE creates a powerful attack vector that can be used to deploy web shells, modify system configurations, or exfiltrate sensitive data. Organizations running affected versions of docebo face significant risk of compromise, as this vulnerability can be exploited remotely without requiring authentication or prior access to the system. The vulnerability affects the core functionality of the platform, potentially impacting user management, course delivery, and administrative operations, while also creating opportunities for attackers to hide their activities within legitimate system processes.
Mitigation strategies for CVE-2008-7153 should prioritize immediate patching of the affected docebo installations to version 3.5.0.4 or later, which contains the necessary security fixes. Organizations should implement input validation and sanitization measures at the application level, particularly for headers that are processed by core functions. The principle of least privilege should be enforced by limiting database user permissions and implementing proper access controls. Network-based mitigations including web application firewalls and intrusion detection systems can help detect and block malicious requests targeting this vulnerability. Regular security assessments and code reviews should be conducted to identify similar vulnerabilities in other parts of the application. Additionally, monitoring for suspicious file creation activities and database access patterns can help detect exploitation attempts. The vulnerability demonstrates the importance of proper input validation and the need for security-conscious development practices, particularly in applications handling user-supplied data through http headers. Organizations should also consider implementing database activity monitoring and regular vulnerability scanning to prevent similar issues from being introduced in future versions of the software.