CVE-2008-6029 in BuzzyWall
Summary
by MITRE
SQL injection vulnerability in search.php in BuzzyWall 1.3.1 and earlier, when magic_quotes_gpc is disabled, allows remote attackers to execute arbitrary SQL commands via the search parameter.
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Analysis
by VulDB Data Team • 11/04/2024
The vulnerability identified as CVE-2008-6029 represents a critical sql injection flaw within the BuzzyWall web application version 1.3.1 and earlier. This vulnerability specifically affects the search.php script and occurs under conditions where the php configuration parameter magic_quotes_gpc is disabled. 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. When magic_quotes_gpc is disabled, php does not automatically escape special sql characters in GET and POST data, creating an environment where malicious inputs can directly influence sql command execution. The vulnerability is particularly dangerous because it allows remote attackers to manipulate the application's database interactions without requiring authentication or local system access, making it exploitable from any network location.
The technical implementation of this vulnerability stems from the application's failure to employ proper parameterized queries or input sanitization techniques when processing the search parameter. Attackers can craft malicious sql payloads through the search input field that, when processed by the vulnerable search.php script, get directly embedded into sql statements. This creates a direct path for sql injection attacks where attackers can execute unauthorized database commands including data retrieval, modification, deletion, or even privilege escalation. The vulnerability maps to CWE-89 which specifically addresses sql injection weaknesses in software applications, and aligns with ATT&CK technique T1190 which covers exploitation of remote services through sql injection attacks. The flaw essentially eliminates the application's ability to distinguish between legitimate user input and malicious sql code, allowing attackers to bypass normal access controls and potentially gain full database access.
The operational impact of this vulnerability extends beyond simple data theft, encompassing complete system compromise and potential data destruction. Remote attackers could exploit this vulnerability to extract sensitive information including user credentials, personal data, and application configuration details. The attack surface is particularly broad as the vulnerability affects the core search functionality that is likely used frequently by legitimate users, making exploitation more likely and easier to conceal. Organizations running vulnerable BuzzyWall installations face significant risks including unauthorized data access, data corruption, and potential system takeover. The vulnerability also creates opportunities for attackers to establish persistence within the affected environment through database backdoors or by modifying application logic. Additionally, the impact extends to regulatory compliance issues as unauthorized data access violates privacy regulations and data protection standards. The vulnerability's exploitation does not require specialized tools or deep technical knowledge, making it accessible to a broad range of threat actors from script kiddies to organized criminal groups.
Mitigation strategies for CVE-2008-6029 must address both immediate remediation and long-term security improvements. The primary solution involves upgrading to BuzzyWall version 1.3.2 or later where the vulnerability has been patched. Organizations should also implement proper input validation and sanitization measures including the use of parameterized queries or prepared statements to prevent sql injection. The php configuration should be reviewed to ensure magic_quotes_gpc is properly set or that alternative input sanitization measures are implemented. Network-level protections such as web application firewalls and intrusion detection systems can provide additional defense-in-depth layers. Regular security assessments and code reviews should be conducted to identify similar vulnerabilities in other application components. Security monitoring should be enhanced to detect unusual database access patterns that might indicate exploitation attempts. Organizations should also implement proper database access controls and privilege management to limit the potential damage from successful exploitation attempts. The vulnerability highlights the importance of maintaining up-to-date software versions and implementing robust security practices including regular vulnerability scanning and security awareness training for development teams.