CVE-2007-6412 in Bitweaver
Summary
by MITRE
Direct static code injection vulnerability in wiki/index.php in Bitweaver 2.0.0 and earlier, when comments are enabled, allows remote attackers to inject arbitrary PHP code via an editcomments action.
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Analysis
by VulDB Data Team • 08/14/2017
The vulnerability identified as CVE-2007-6412 represents a critical direct static code injection flaw within the Bitweaver content management system version 2.0.0 and earlier. This vulnerability specifically affects the wiki/index.php component when comment functionality is enabled, creating a pathway for remote attackers to execute arbitrary PHP code on the affected system. The flaw stems from insufficient input validation and sanitization mechanisms that fail to properly filter user-supplied data before processing it within the application's execution context.
The technical implementation of this vulnerability occurs through the editcomments action parameter within the wiki/index.php file, where user-provided input is directly incorporated into PHP code execution without adequate sanitization. This type of vulnerability falls under the CWE-94 category of "Improper Neutralization of Special Elements used in javax.servlet.http.HttpServlet" and aligns with ATT&CK technique T1190 "Exploit Public-Facing Application" as it enables remote code execution through a web application interface. The injection occurs during comment processing when the system fails to properly escape or validate special characters that could be interpreted as PHP code by the server's PHP interpreter.
The operational impact of this vulnerability is severe and multifaceted, potentially allowing attackers to execute arbitrary commands on the affected server with the privileges of the web application user. Successful exploitation could lead to complete system compromise, data exfiltration, lateral movement within the network, and persistent backdoor installation. Attackers could leverage this vulnerability to establish a foothold for further reconnaissance and attack progression, making it particularly dangerous in enterprise environments where Bitweaver systems may be exposed to external networks. The vulnerability affects all versions up to and including 2.0.0, indicating a long-standing issue that was not adequately addressed in the software's development lifecycle.
Mitigation strategies for this vulnerability require immediate action including upgrading to a patched version of Bitweaver beyond version 2.0.0, implementing proper input validation and sanitization measures, and applying web application firewalls to filter suspicious payloads. Organizations should also consider disabling comment functionality if it is not essential to their operations, as this removes the attack surface entirely. Additionally, implementing proper access controls and monitoring for unusual PHP execution patterns can help detect exploitation attempts. The remediation process should follow industry standards such as those outlined in the OWASP Top Ten and NIST cybersecurity frameworks, ensuring that input validation is implemented at multiple layers of the application architecture to prevent similar injection vulnerabilities from occurring in the future.