CVE-2007-2736 in Achievo
Summary
by MITRE
PHP remote file inclusion vulnerability in index.php in Achievo 1.1.0 allows remote attackers to execute arbitrary PHP code via a URL in the config_atkroot parameter.
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Analysis
by VulDB Data Team • 09/15/2024
The vulnerability identified as CVE-2007-2736 represents a critical remote file inclusion flaw in the Achievo 1.1.0 web application framework. This issue resides within the index.php script where the config_atkroot parameter is improperly validated, creating an avenue for malicious actors to inject and execute arbitrary PHP code on the target system. The vulnerability stems from inadequate input sanitization mechanisms that fail to properly validate user-supplied URL parameters before incorporating them into the application's execution flow.
This remote code execution vulnerability operates through a classic file inclusion attack vector where an attacker can manipulate the config_atkroot parameter to reference external malicious files hosted on remote servers. The flaw directly maps to CWE-88, which describes improper neutralization of argument delimiters in a command or query, and more specifically aligns with CWE-94, representing improper execution of code through dynamic code invocation. The vulnerability enables attackers to leverage the application's file inclusion mechanism to load and execute arbitrary PHP scripts, potentially leading to complete system compromise.
The operational impact of this vulnerability extends beyond simple code execution, as it provides attackers with the capability to establish persistent access, escalate privileges, and conduct further reconnaissance within the compromised environment. Attackers can exploit this weakness to deploy backdoors, exfiltrate sensitive data, or use the compromised server as a staging point for attacks against other systems within the network. The vulnerability affects the availability, integrity, and confidentiality of the application and underlying infrastructure, making it a severe threat that requires immediate remediation.
Mitigation strategies for CVE-2007-2736 should focus on implementing strict input validation and parameter sanitization measures within the application's codebase. Organizations should disable remote file inclusion capabilities entirely by configuring PHP settings to restrict access to remote URLs through the allow_url_fopen directive. Additionally, implementing proper parameter validation, input sanitization, and using a whitelist approach for acceptable URL formats can effectively prevent exploitation attempts. The remediation process should include updating to patched versions of Achievo, applying security patches, and implementing proper web application firewalls to monitor and block malicious requests. This vulnerability also aligns with ATT&CK technique T1059.007, which covers the use of remote services for execution, emphasizing the importance of network segmentation and access controls to limit potential exploitation pathways.