CVE-2006-0160 in Venom Board
Summary
by MITRE
SQL injection vulnerability in add_post.php3 in Venom Board 1.22 allows remote attackers to execute arbitrary SQL commands via the (1) parent, (2) root, and (3) topic_id parameters to post.php3.
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Analysis
by VulDB Data Team • 08/31/2017
The vulnerability identified as CVE-2006-0160 represents a critical sql injection flaw within the Venom Board 1.22 bulletin board system that exposes multiple attack vectors through the add_post.php3 script. This vulnerability specifically targets the post.php3 endpoint where three distinct parameters namely parent root and topic_id are susceptible to malicious input manipulation. The flaw arises from insufficient input validation and sanitization mechanisms within the application's database interaction layer, allowing attackers to inject malicious sql commands directly into the database query execution flow. This particular vulnerability falls under the CWE-89 category of sql injection as defined by the common weakness enumeration framework, which categorizes it as a direct injection attack where attacker controlled data is improperly incorporated into sql commands without adequate sanitization.
The operational impact of this vulnerability extends beyond simple data theft or corruption to encompass complete system compromise and unauthorized access to sensitive information. Attackers exploiting this flaw can execute arbitrary sql commands on the underlying database server which may result in unauthorized data retrieval modification or deletion of critical system information. The vulnerability affects the core functionality of the bulletin board system where users can create new posts and replies to existing discussions, making it particularly dangerous as it can be leveraged to manipulate forum content or gain elevated privileges within the system. The attack surface is amplified by the fact that multiple parameters are vulnerable, providing attackers with several potential entry points to exploit the same underlying flaw.
From a threat modeling perspective this vulnerability aligns with the attack technique described in the mitre att&ck framework under the T1071.004 category which covers application layer protocol manipulation. The vulnerability demonstrates how insufficient input validation creates opportunities for attackers to manipulate application behavior through crafted input data. Security professionals should note that this vulnerability represents a classic example of improper input handling that violates fundamental security principles of data sanitization and parameterized queries. The impact of such vulnerabilities extends beyond immediate data exposure to potentially enable further attacks through privilege escalation or lateral movement within the compromised environment. Organizations utilizing vulnerable versions of Venom Board should implement immediate mitigations including input validation and parameterized query usage to prevent exploitation of this vulnerability.
The remediation approach for this vulnerability requires comprehensive code review and implementation of proper input sanitization techniques throughout the application. Developers must ensure that all user-supplied parameters are properly validated and sanitized before being incorporated into sql queries. The implementation of parameterized queries or prepared statements represents the most effective mitigation strategy to prevent sql injection attacks of this nature. Additionally, regular security assessments and vulnerability scanning should be conducted to identify similar flaws in other application components. The vulnerability serves as a reminder of the critical importance of input validation in web application security and demonstrates how seemingly simple flaws can lead to complete system compromise. Organizations should also consider implementing web application firewalls and database activity monitoring to detect and prevent exploitation attempts of similar vulnerabilities.