CVE-2006-2425 in PhpRemoteView
Summary
by MITRE
Multiple cross-site scripting (XSS) vulnerabilities in PRV.php in PhpRemoteView, possibly 2003-10-23 and earlier, allow remote attackers to inject arbitrary web script or HTML via the (1) f, (2) d, and (3) ref parameters, and the (4) "MAKE DIR" and (5) "Full file name" fields.
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Analysis
by VulDB Data Team • 09/01/2017
The vulnerability described in CVE-2006-2425 represents a critical cross-site scripting weakness in PhpRemoteView's PRV.php component, which was present in versions released as early as October 23, 2003, or potentially even earlier. This flaw exists within a remote file management utility that allows users to browse and manipulate files on remote servers through a web interface. The vulnerability stems from insufficient input validation and output sanitization mechanisms within the application's parameter handling system, creating a pathway for malicious actors to inject arbitrary web scripts or HTML content directly into the application's response.
The technical implementation of this vulnerability involves multiple attack vectors through specific parameter manipulation. Attackers can exploit the vulnerability by injecting malicious payloads through the f parameter which typically handles file names, the d parameter that manages directory paths, and the ref parameter that often contains reference data. Additionally, the vulnerability extends to the "MAKE DIR" field and "Full file name" fields within the application's user interface, which are used for directory creation and file naming operations respectively. These parameters lack proper sanitization, allowing attackers to embed script code that executes in the context of other users' browsers when they access the affected pages.
The operational impact of this vulnerability is severe as it enables attackers to execute arbitrary code in the browsers of unsuspecting users who interact with the compromised application. This opens the door to various malicious activities including session hijacking, credential theft, defacement of web pages, and redirection to malicious sites. The vulnerability affects the confidentiality, integrity, and availability of the web application and its users, potentially leading to complete compromise of user sessions and unauthorized access to sensitive data. The persistent nature of XSS vulnerabilities means that once exploited, attackers can maintain access to compromised systems for extended periods, making this a particularly dangerous security flaw.
Mitigation strategies for this vulnerability should focus on implementing comprehensive input validation and output encoding mechanisms throughout the application. The most effective approach involves sanitizing all user-supplied input through proper encoding techniques such as HTML entity encoding, JavaScript encoding, and context-appropriate sanitization for each parameter type. Additionally, implementing a Content Security Policy (CSP) can provide an additional layer of protection by restricting the sources from which scripts can be loaded. The application should also enforce proper parameter validation, ensuring that all inputs conform to expected formats and reject any suspicious or malformed data. Security patches should be applied immediately to update the application to versions that address these vulnerabilities, as the flaw has been present for many years and represents a well-known weakness in legacy web applications. This vulnerability aligns with CWE-79 which specifically addresses cross-site scripting flaws, and represents a classic example of how inadequate input validation can lead to persistent security weaknesses in web applications. The attack surface described in this vulnerability maps to several ATT&CK techniques including T1059.007 for scripting and T1566 for social engineering, highlighting the broader implications of such flaws in modern cybersecurity frameworks.