CVE-2006-0626 in spip
Summary
by MITRE
SQL injection vulnerability in spip_acces_doc.php3 in SPIP 1.8.2g and earlier allows remote attackers to execute arbitrary SQL commands via the file parameter.
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Analysis
by VulDB Data Team • 07/18/2018
The vulnerability identified as CVE-2006-0626 represents a critical SQL injection flaw within the SPIP content management system version 1.8.2g and earlier. This vulnerability specifically affects the spip_acces_doc.php3 script which handles document access functionality within the system. The flaw arises from inadequate input validation and sanitization mechanisms that fail to properly escape or filter user-supplied data before incorporating it into SQL query constructions. This allows malicious actors to inject arbitrary SQL commands through the file parameter, potentially compromising the entire database infrastructure.
The technical implementation of this vulnerability stems from the improper handling of user input within the document access component of SPIP. When the file parameter is processed, the application directly incorporates its value into SQL queries without adequate sanitization measures. This design flaw aligns with CWE-89, which specifically addresses SQL injection vulnerabilities where untrusted data is concatenated or inserted into SQL commands without proper escaping or parameterization. The vulnerability exists at the application layer where user-controllable input flows directly into database query execution contexts, creating a pathway for attackers to manipulate the underlying database structure and execute unauthorized operations.
Operationally, this vulnerability presents a severe threat to systems running affected SPIP versions as it enables remote code execution capabilities through database manipulation. Attackers can exploit this flaw to extract sensitive information from the database, modify or delete content, escalate privileges, or even gain full administrative control over the CMS. The remote nature of the attack means that exploitation can occur from anywhere on the internet without requiring local system access or authentication. This vulnerability directly impacts the confidentiality, integrity, and availability of the affected systems, potentially leading to complete system compromise and data breaches. The attack surface is particularly concerning given that SPIP was widely used for content management, making numerous websites vulnerable to this type of database-level compromise.
Mitigation strategies for CVE-2006-0626 primarily focus on immediate remediation through software updates and proper input validation implementation. Organizations should immediately upgrade to SPIP versions 1.8.3 or later where this vulnerability has been addressed through proper input sanitization and parameterized query implementations. The fix typically involves implementing proper escaping mechanisms for all user-supplied input before database insertion, utilizing prepared statements or parameterized queries to separate SQL command structure from data content, and implementing comprehensive input validation routines. Additionally, network-level protections such as web application firewalls and intrusion detection systems can provide additional layers of defense. From a cybersecurity perspective, this vulnerability demonstrates the critical importance of secure coding practices and input validation, aligning with ATT&CK technique T1071.004 for application layer protocol manipulation. Regular security assessments and penetration testing should be conducted to identify similar vulnerabilities in legacy systems, while implementing proper access controls and database security measures can help limit the potential impact of successful exploitation attempts.