CVE-2008-6970 in UBB.threads
Summary
by MITRE
SQL injection vulnerability in dosearch.inc.php in UBB.threads 7.3.1 and earlier allows remote attackers to execute arbitrary SQL commands via the Forum[] array parameter.
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Analysis
by VulDB Data Team • 11/09/2025
The vulnerability identified as CVE-2008-6970 represents a critical sql injection flaw within the ubb.threads 7.3.1 forum software and earlier versions. This vulnerability exists in the dosearch.inc.php file where user input is not properly sanitized before being incorporated into sql query constructions. The specific vector of attack occurs through the Forum[] array parameter which is directly processed without adequate input validation or parameterization, creating an exploitable condition that enables malicious actors to inject arbitrary sql commands into the backend database system.
This vulnerability falls under the common weakness enumeration category CWE-89 which specifically addresses sql injection flaws in software applications. The flaw demonstrates a classic improper input validation issue where the application fails to properly escape or parameterize user-supplied data before incorporating it into database queries. The operational impact of this vulnerability is severe as it allows remote attackers to execute unauthorized database operations including but not limited to data retrieval, modification, deletion, and potentially administrative command execution. Attackers can leverage this weakness to bypass authentication mechanisms, extract sensitive user information, modify forum content, or even gain complete control over the underlying database system.
The attack surface for this vulnerability extends to any user interacting with the search functionality of affected ubb.threads installations. Since the vulnerability resides in the dosearch.inc.php component, any forum user who submits search queries containing maliciously crafted Forum[] array parameters can potentially exploit this weakness. The remote nature of the attack means that exploitation does not require physical access to the system or local network privileges, making it particularly dangerous for publicly accessible web applications. This vulnerability aligns with several tactics described in the attack technique framework including technique T1190 for exploit public-facing applications and T1071.004 for application layer protocol manipulation.
Mitigation strategies for this vulnerability should prioritize immediate patching of affected ubb.threads installations to version 7.3.2 or later where the sql injection flaw has been addressed through proper input sanitization and parameterized query implementations. System administrators should also implement input validation mechanisms at multiple layers including web application firewalls, database query parameterization, and proper escape sequence handling for all user-supplied data. Additionally, network segmentation and access control measures should be enforced to limit the potential impact of successful exploitation attempts. Regular security auditing and code review processes should be implemented to identify similar vulnerabilities in other application components, with particular attention to sql query construction patterns and input handling procedures. The vulnerability demonstrates the critical importance of following secure coding practices and maintaining up-to-date software versions to prevent exploitation of known security flaws.