CVE-2008-0734 in Limbo CMS
Summary
by MITRE
SQL injection vulnerability in class_auth.php in Limbo CMS 1.0.4.2, and possibly earlier versions, allows remote attackers to execute arbitrary SQL commands via the cuid cookie parameter to admin.php.
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Analysis
by VulDB Data Team • 10/17/2024
The vulnerability identified as CVE-2008-0734 represents a critical sql injection flaw within the Limbo CMS 1.0.4.2 content management system, with potential implications for earlier versions as well. This vulnerability exists within the class_auth.php file and specifically targets the cuid cookie parameter when processed by the admin.php script. The flaw enables remote attackers to inject malicious sql commands directly into the application's database layer, potentially compromising the entire system. The vulnerability stems from insufficient input validation and sanitization of user-supplied data that flows into sql query construction without proper escaping or parameterization mechanisms.
The technical exploitation of this vulnerability occurs through manipulation of the cuid cookie parameter which is passed to the admin.php endpoint. When the application processes this parameter within authentication routines, it fails to properly sanitize or escape the input before incorporating it into sql queries. This creates an environment where attackers can craft malicious cookie values containing sql payload sequences that get executed by the database engine. The vulnerability aligns with CWE-89 which specifically addresses sql injection weaknesses, and represents a classic example of improper input validation in web applications. Attackers can leverage this flaw to perform unauthorized database operations including data retrieval, modification, or deletion, potentially leading to complete system compromise.
The operational impact of this vulnerability extends beyond simple data theft to encompass full system control and potential lateral movement within affected networks. Successful exploitation allows attackers to bypass authentication mechanisms, escalate privileges, and gain access to sensitive administrative functions. The remote nature of the attack means that exploitation can occur from any location without requiring physical access to the system. This vulnerability particularly affects organizations using outdated Limbo CMS versions where patching may not have been implemented, creating persistent security risks. The attack vector aligns with ATT&CK technique T1190 for exploitation of remote services and T1078 for valid accounts usage, making it a significant threat to organizational security posture.
Mitigation strategies for CVE-2008-0734 should prioritize immediate patching of the affected Limbo CMS versions to the latest available releases that address the sql injection vulnerability. Organizations should implement proper input validation and sanitization measures including parameterized queries and prepared statements to prevent similar issues in other applications. Network segmentation and access controls should be enforced to limit exposure of administrative endpoints, while regular security assessments should be conducted to identify and remediate similar vulnerabilities. Additionally, implementing web application firewalls and intrusion detection systems can help detect and prevent exploitation attempts targeting sql injection vulnerabilities. The vulnerability serves as a reminder of the importance of maintaining up-to-date software versions and implementing robust input validation practices as fundamental security controls.