CVE-2008-0218 in IceWarp Mail Server
Summary
by MITRE
Cross-site scripting (XSS) vulnerability in admin/index.html in Merak IceWarp Mail Server allows remote attackers to inject arbitrary web script or HTML via the message parameter. NOTE: the provenance of this information is unknown; the details are obtained solely from third party information.
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Analysis
by VulDB Data Team • 07/12/2025
The CVE-2008-0218 vulnerability represents a critical cross-site scripting flaw discovered in the Merak IceWarp Mail Server administrative interface. This vulnerability exists within the admin/index.html file and specifically targets the message parameter handling mechanism. The flaw allows remote attackers to execute malicious web scripts or HTML code within the context of a victim's browser session, potentially leading to unauthorized access to sensitive administrative functions and user data. The vulnerability's severity stems from its ability to operate without requiring authentication or privileged access, making it particularly dangerous for email server environments where administrative interfaces are frequently accessed by authorized personnel.
The technical implementation of this XSS vulnerability occurs when the application fails to properly sanitize or encode user-supplied input passed through the message parameter in the administrative interface. When an attacker crafts a malicious payload and submits it through this parameter, the server processes the input without adequate validation or output encoding, allowing the malicious script to execute in the browser of any user who views the affected page. This type of vulnerability falls under CWE-79 which specifically addresses Cross-Site Scripting flaws in web applications. The vulnerability's exploitation pathway demonstrates a classic reflected XSS attack pattern where malicious input is immediately reflected back to the user's browser without proper sanitization.
The operational impact of CVE-2008-0218 extends beyond simple script execution, as it can enable attackers to perform a wide range of malicious activities within the compromised environment. An attacker could potentially hijack administrator sessions, modify email configurations, access confidential user data, or even escalate privileges within the mail server. The vulnerability's presence in the administrative interface creates a significant risk to the overall security posture of organizations relying on IceWarp Mail Server, as it provides a potential entry point for attackers to gain unauthorized control over email services. This type of vulnerability directly relates to ATT&CK technique T1059.007 which covers Scripting through web shell execution, and T1566.001 which addresses spearphishing with malicious attachments or links.
Mitigation strategies for this vulnerability should include immediate input validation and output encoding practices within the application code. The server should implement proper sanitization of all user inputs, particularly those passed through URL parameters or form fields in administrative interfaces. Organizations should also consider implementing Content Security Policy headers to prevent execution of unauthorized scripts, and regularly audit their web applications for similar XSS vulnerabilities. The remediation process should involve thorough code review of the admin/index.html file and all related administrative components to ensure proper handling of user-supplied data. Additionally, network segmentation and access controls should be implemented to limit exposure of administrative interfaces to untrusted networks, while regular security updates and patches should be applied to address known vulnerabilities in mail server software.