CVE-2006-0341 in MailSite
Summary
by MITRE
Cross-site scripting (XSS) vulnerability in WCONSOLE.DLL in Rockliffe MailSite 5.x and 6.1.22 and earlier allows remote attackers to inject arbitrary web script or HTML via the query string.
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Analysis
by VulDB Data Team • 12/29/2024
The vulnerability identified as CVE-2006-0341 represents a critical cross-site scripting flaw within the Rockliffe MailSite email server software, specifically affecting versions 5.x and 6.1.22 and earlier. This vulnerability resides in the WCONSOLE.DLL component which serves as the web console interface for managing the email server. The flaw manifests when the application fails to properly sanitize user input received through HTTP query strings, creating an avenue for malicious actors to execute arbitrary web scripts or HTML code within the context of other users' browsers. The vulnerability falls under the CWE-79 category of Cross-Site Scripting, which is classified as a fundamental web application security weakness that has been consistently identified as one of the top ten web application security risks by OWASP.
The technical exploitation of this vulnerability occurs when remote attackers craft malicious URLs containing script payloads in the query string parameters that are then processed by the vulnerable MailSite web console. When legitimate users navigate to these crafted URLs, the malicious scripts execute within their browser sessions, potentially leading to session hijacking, credential theft, or redirection to malicious sites. The attack vector specifically targets the web interface component where user input is not adequately validated or escaped before being rendered back to the browser, creating a persistent XSS condition. This vulnerability aligns with ATT&CK technique T1566.001 which describes the use of malicious content delivered through web applications, and represents a classic server-side input validation failure that allows malicious code execution in client browsers.
The operational impact of this vulnerability extends beyond simple script injection, as it can enable attackers to establish persistent access to user sessions and potentially escalate privileges within the email server environment. An attacker could craft malicious payloads that steal cookies, redirect users to phishing sites, or even inject commands that compromise the underlying system. The vulnerability affects the integrity of the web console interface and can undermine the security posture of organizations relying on Rockliffe MailSite for email management. Given that email servers often contain sensitive organizational data and user credentials, the potential for data exfiltration or unauthorized access is significant. Organizations using affected versions of MailSite face risks including unauthorized email access, message interception, and potential lateral movement within their network infrastructure through compromised user sessions.
Mitigation strategies for this vulnerability should prioritize immediate patching of affected systems to the latest available versions of Rockliffe MailSite that address the XSS flaw. Organizations should also implement input validation measures at the web application level, including proper HTML escaping and sanitization of all user-supplied data before rendering in browser contexts. Network-based protections such as web application firewalls can provide additional defense-in-depth layers, though they are not substitutes for proper code-level fixes. Security teams should conduct thorough vulnerability assessments of all web-facing applications and implement regular security testing including dynamic application security testing to identify similar input validation flaws. The remediation process should also include user education about recognizing and avoiding suspicious links, as well as implementing proper access controls and monitoring for anomalous user behavior that might indicate successful exploitation attempts. This vulnerability serves as a reminder of the critical importance of input validation and output encoding in web applications, principles that are fundamental to preventing XSS attacks across all software platforms.