CVE-2008-6956 in mxCamArchive
Summary
by MITRE
Static code injection vulnerability in admin/admin.php in mxCamArchive 2.2 allows remote authenticated administrators to inject arbitrary PHP code into an unspecified program via the description parameter, which is executed by invocation of index.php. NOTE: some of these details are obtained from third party information.
If you want to get best quality of vulnerability data, you may have to visit VulDB.
Analysis
by VulDB Data Team • 11/11/2024
This vulnerability represents a critical static code injection flaw in mxCamArchive 2.2's administrative interface, specifically within the admin/admin.php file. The vulnerability occurs when authenticated administrators with administrative privileges manipulate the description parameter, which then gets processed and executed by index.php. This creates a pathway for remote code execution that bypasses normal input validation mechanisms. The flaw stems from improper sanitization of user-supplied data within the administrative context, allowing malicious payloads to be stored and subsequently executed without proper authorization.
The technical implementation of this vulnerability aligns with CWE-94, which describes insufficient input validation leading to code injection vulnerabilities. Attackers can exploit this by crafting malicious PHP code within the description parameter, which gets executed when the affected index.php file processes the stored data. This particular vulnerability operates under the principle of privilege escalation through authenticated access, as it requires an existing administrative account to exploit. The attack vector leverages the trust relationship between the authenticated administrator and the application's processing logic, where the application fails to properly validate or sanitize input before incorporating it into executable code paths.
From an operational impact perspective, this vulnerability compromises the entire administrative functionality of mxCamArchive 2.2 systems. An attacker with administrative credentials can execute arbitrary PHP code on the target server, potentially leading to full system compromise, data exfiltration, or persistent backdoor installation. The vulnerability's remote execution capability means attackers don't need physical access to the system, making it particularly dangerous in networked environments. The fact that the vulnerability is triggered through index.php execution indicates a broader impact on the application's core functionality, potentially affecting all users of the system who encounter the maliciously injected content.
The exploitation of this vulnerability demonstrates characteristics consistent with ATT&CK technique T1059.007, which involves the use of PHP for code execution within web applications. Organizations should implement multiple layers of defense including input validation, output encoding, and privileged access controls. Mitigation strategies should focus on implementing proper parameter sanitization, employing secure coding practices, and establishing robust access controls for administrative interfaces. Regular security audits and code reviews are essential to identify similar vulnerabilities in legacy systems, while network monitoring can help detect anomalous execution patterns that may indicate exploitation attempts. The vulnerability underscores the importance of maintaining up-to-date security practices even for older software versions, as many legacy applications continue to operate without proper security patches.