CVE-2006-0325 in Etomite
Summary
by MITRE
Etomite Content Management System 0.6, and possibly earlier versions, when downloaded from the web site in January 2006 after January 10, contains a back door in manager/includes/todo.inc.php, which allows remote attackers to execute arbitrary commands via the "cij" parameter.
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Analysis
by VulDB Data Team • 07/18/2018
The vulnerability identified as CVE-2006-0325 affects Etomite Content Management System version 0.6 and potentially earlier releases, specifically targeting installations downloaded from the official website during a particular timeframe. This security flaw represents a critical backdoor implementation that fundamentally compromises the integrity and confidentiality of affected systems. The vulnerability is embedded within the manager/includes/todo.inc.php file, which serves as a management interface component for the CMS, making it a prime target for exploitation by malicious actors seeking unauthorized system access.
The technical implementation of this backdoor exploits a parameter injection vulnerability through the "cij" parameter, which is processed without adequate input validation or sanitization measures. When an attacker manipulates this parameter, the system executes arbitrary commands with the privileges of the web server process, effectively granting remote code execution capabilities. This flaw aligns with CWE-94, which describes the improper execution of code due to inadequate input validation, and represents a classic example of a backdoor vulnerability that allows persistent unauthorized access to systems. The vulnerability's exploitation does not require authentication, making it particularly dangerous as it can be leveraged by anyone who can access the affected web application.
The operational impact of this vulnerability extends beyond simple unauthorized access, as it enables attackers to establish persistent footholds within compromised networks. Once executed, the backdoor allows threat actors to perform various malicious activities including data exfiltration, privilege escalation, system reconnaissance, and deployment of additional malware. The vulnerability's presence in a content management system makes it especially concerning as these platforms often contain sensitive organizational data, user information, and business-critical content. From an attacker's perspective, this vulnerability maps directly to ATT&CK technique T1059.001 for command and scripting interpreter and T1078.004 for valid accounts, as it provides a mechanism for executing commands and maintaining access without detection.
Organizations affected by this vulnerability should immediately implement comprehensive remediation strategies including immediate patching of the CMS to a version that does not contain the backdoor, removal of the compromised todo.inc.php file, and thorough security auditing of the affected systems. Network monitoring should be enhanced to detect potential exploitation attempts, while access controls should be reviewed and strengthened to limit exposure. The vulnerability also highlights the importance of supply chain security and the necessity of verifying software integrity through cryptographic checksums and digital signatures before deployment. Security professionals should also consider implementing web application firewalls and intrusion detection systems to provide additional layers of protection against similar attacks, while maintaining regular security assessments to identify and remediate other potential backdoor vulnerabilities in their infrastructure.