CVE-2008-0773 in Comments
Summary
by MITRE
SQL injection vulnerability in Phil Taylor Comments (com_comments, aka Review Script) 0.5.8.5g and earlier component for Mambo allows remote attackers to execute arbitrary SQL commands via the id parameter.
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Analysis
by VulDB Data Team • 10/17/2024
The vulnerability identified as CVE-2008-0773 represents a critical SQL injection flaw within the Phil Taylor Comments component version 0.5.8.5g and earlier, which is part of the Mambo content management system ecosystem. This vulnerability specifically affects the com_comments component, commonly known as the Review Script, and exposes the system to remote code execution risks through improper input validation. The flaw resides in how the application processes the id parameter, which is used to retrieve comment data from the database, making it susceptible to malicious SQL command injection attacks.
The technical implementation of this vulnerability stems from the component's failure to properly sanitize or escape user-supplied input before incorporating it into SQL queries. When an attacker submits a crafted id parameter containing malicious SQL syntax, the application directly incorporates this input into database queries without adequate validation or parameterization. This design flaw allows attackers to manipulate the underlying database operations and potentially execute arbitrary SQL commands with the privileges of the database user. The vulnerability is classified as a classic SQL injection attack vector, specifically categorized under CWE-89 which denotes improper neutralization of special elements used in SQL commands. The attack surface is particularly concerning as it enables remote attackers to bypass authentication mechanisms, extract sensitive data, modify database contents, or even escalate privileges within the affected system.
The operational impact of this vulnerability extends beyond simple data compromise, as it provides attackers with extensive control over the database backend that hosts the comment data. Successful exploitation could result in complete database takeover, allowing unauthorized users to access all stored information including user credentials, personal data, and potentially sensitive business information. The vulnerability affects the entire Mambo platform ecosystem where the affected component is installed, making it a widespread concern for organizations relying on this CMS version. From an adversary perspective, this vulnerability aligns with ATT&CK technique T1190 for exploit public-facing application and T1071.004 for application layer protocol to establish persistence and maintain access. The remote nature of the attack means that exploitation can occur from anywhere on the internet without requiring physical access to the system, making it particularly dangerous for web applications that are exposed to public networks.
Mitigation strategies for this vulnerability should prioritize immediate patching of the affected component to version 0.5.8.6 or later, which contains the necessary security fixes. Organizations should implement proper input validation and parameterized queries throughout their applications to prevent similar issues from occurring in other components. Database access controls should be reviewed to ensure that the web application connects using accounts with minimal required privileges, limiting potential damage from successful exploitation. Additionally, network-level protections such as web application firewalls and intrusion detection systems should be configured to monitor for suspicious SQL injection patterns. Regular security assessments and vulnerability scanning should be conducted to identify similar weaknesses in other components of the Mambo platform or related systems. The remediation process should also include disabling unnecessary database functions and implementing proper logging mechanisms to detect and respond to exploitation attempts. Organizations should consider implementing a comprehensive security patch management process to prevent similar vulnerabilities from accumulating in their software ecosystem, as this vulnerability demonstrates the importance of keeping third-party components updated.