CVE-2005-3062 in E-Friends
Summary
by MITRE
PHP remote file inclusion vulnerability in index.php in AlstraSoft E-Friends 4.0 allows remote attackers to execute arbitrary PHP code via the mode parameter.
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Analysis
by VulDB Data Team • 07/12/2018
The vulnerability identified as CVE-2005-3062 represents a critical remote file inclusion flaw in AlstraSoft E-Friends version 4.0, specifically within the index.php script. This vulnerability falls under the category of insecure direct object references and improper input validation, creating a pathway for remote attackers to execute malicious PHP code on the affected system. The flaw manifests through the mode parameter which is not properly sanitized before being used in file inclusion operations, allowing attackers to manipulate the application's behavior and potentially gain unauthorized access to the server.
The technical exploitation of this vulnerability occurs when an attacker crafts a malicious URL containing the mode parameter with a crafted value that points to a remote malicious file. When the vulnerable application processes this parameter, it includes the specified file without proper validation, thereby executing any PHP code contained within the remote file. This type of vulnerability is classified as CWE-88, which deals with improper neutralization of special elements used in an expression, and specifically relates to CWE-94, which addresses the execution of arbitrary code or commands. The vulnerability directly enables code injection attacks that can lead to complete system compromise.
The operational impact of this vulnerability is severe and multifaceted, as it provides attackers with the ability to execute arbitrary commands on the target server with the privileges of the web application user. This can result in complete system compromise, data theft, unauthorized access to sensitive information, and potential lateral movement within the network. Attackers can leverage this vulnerability to establish persistent backdoors, install malware, or use the compromised server as a launching point for attacks against other systems. The vulnerability is particularly dangerous because it does not require authentication, making it accessible to any remote attacker who can send HTTP requests to the affected application.
Mitigation strategies for this vulnerability should focus on immediate patching of the affected application to version 4.1 or later, which contains the necessary security fixes. Additionally, implementing proper input validation and sanitization techniques is crucial, including the use of allowlists for parameter values and the implementation of proper file inclusion controls. Organizations should also consider implementing web application firewalls to detect and block malicious requests attempting to exploit this vulnerability. The remediation process should include disabling remote file inclusion features in PHP configuration, using absolute paths for file includes, and implementing proper access controls to limit the exposure of vulnerable parameters. This vulnerability aligns with tactics described in the MITRE ATT&CK framework under T1190 for exploitation of remote services and T1059 for command and scripting interpreter, highlighting the need for comprehensive security measures to protect against such attacks.