CVE-2008-3726 in MailScan
Summary
by MITRE
Cross-site scripting (XSS) vulnerability in Web Based Administration in MicroWorld Technologies MailScan 5.6.a espatch 1 allows remote attackers to inject arbitrary web script or HTML via the URI.
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Analysis
by VulDB Data Team • 03/09/2017
The CVE-2008-3726 vulnerability represents a critical cross-site scripting flaw within the web-based administration interface of MicroWorld Technologies MailScan 5.6.a espatch 1 software. This vulnerability resides in the application's handling of user-supplied input within URI parameters, creating a pathway for malicious actors to execute arbitrary web scripts or HTML code within the context of authenticated user sessions. The flaw fundamentally undermines the security boundaries of the administration console, potentially allowing attackers to compromise the entire mail scanning system.
The technical implementation of this vulnerability stems from inadequate input validation and output encoding within the web administration component of MailScan. When the application processes URI parameters without proper sanitization, it fails to distinguish between legitimate user input and malicious script code. This weakness manifests as a classic reflected cross-site scripting vulnerability where attacker-controlled input is immediately reflected back to users without appropriate HTML escaping or encoding mechanisms. The vulnerability is classified under CWE-79 as "Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')", which directly maps to the ATT&CK technique T1190 for "Exploit Public-Facing Application".
The operational impact of this vulnerability extends beyond simple script injection, as it provides attackers with the capability to perform session hijacking, steal administrative credentials, and potentially escalate privileges within the mail scanning environment. An attacker could craft malicious URIs that, when visited by an administrator, would execute malicious scripts in the administrator's browser context. This could lead to unauthorized access to sensitive email configurations, modification of security policies, or even complete system compromise. The vulnerability is particularly dangerous because it targets the administration interface, which typically operates with elevated privileges and access to critical system functions.
Mitigation strategies for CVE-2008-3726 should focus on immediate input validation and output encoding improvements. Organizations must implement comprehensive parameter validation to reject or sanitize any input containing potentially dangerous characters or script tags. The solution involves deploying proper HTML escaping mechanisms before rendering any user-supplied data in web responses, ensuring that script code cannot be executed in the browser context. Additionally, implementing content security policies and using secure coding practices for URI parameter handling would prevent similar vulnerabilities from emerging in future versions. The vulnerability highlights the importance of following secure development lifecycle practices and adhering to web application security standards such as those outlined in the OWASP Top Ten project, particularly the emphasis on input validation and output encoding as fundamental security controls.