CVE-2018-10649 in XenMobile Server
Summary
by MITRE
There is a Cross-Site Scripting Vulnerability in Citrix XenMobile Server 10.7 before RP3.
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Analysis
by VulDB Data Team • 02/08/2020
The vulnerability identified as CVE-2018-10649 represents a critical cross-site scripting flaw within Citrix XenMobile Server version 10.7 prior to release patch 3. This vulnerability resides in the web interface component of the XenMobile server platform, which serves as a central management console for mobile device management and enterprise mobility solutions. The affected system allows unauthorized attackers to inject malicious scripts into web pages viewed by other users, potentially compromising the security of enterprise mobile device management environments. The vulnerability specifically impacts the server's handling of user input within web-based administrative interfaces and user-facing portals, creating a pathway for attackers to execute arbitrary code in the context of a victim's browser session.
The technical flaw manifests through insufficient validation and sanitization of user-supplied input within the web application layer of XenMobile Server. When administrators or users interact with the web interface, the server fails to properly encode or escape special characters in input fields, parameters, or request data before rendering them in web responses. This allows an attacker to craft malicious payloads that, when processed by the vulnerable server, get executed in the browser context of legitimate users. The vulnerability can be exploited through various vectors including crafted URLs, form submissions, or HTTP headers that contain malicious script code. The flaw falls under the CWE-79 category of Cross-Site Scripting, which is classified as a critical weakness in web application security. According to the ATT&CK framework, this vulnerability maps to T1059.007 for Scripting and T1566.001 for Phishing, as attackers can leverage this weakness to deliver malicious payloads and establish persistent access to enterprise environments.
The operational impact of this vulnerability extends beyond simple script execution, as it can lead to complete compromise of the mobile device management infrastructure. An attacker who successfully exploits this vulnerability can potentially escalate privileges, access sensitive administrative functions, steal session cookies, or redirect users to malicious websites. The implications are particularly severe for enterprise environments where XenMobile Server serves as a critical component for managing corporate mobile devices, as successful exploitation could allow attackers to gain unauthorized access to mobile device management policies, user credentials, and corporate data. The vulnerability affects the integrity and confidentiality of mobile device management operations, potentially enabling attackers to deploy malicious applications, modify device configurations, or establish persistent backdoors within the enterprise mobility management ecosystem.
Organizations should implement immediate mitigation strategies including applying the vendor-provided security patches released in Citrix XenMobile Server 10.7 RP3 and subsequent versions. Network segmentation and web application firewalls can provide additional layers of protection by monitoring and filtering malicious traffic patterns associated with XSS attacks. Input validation and output encoding should be strengthened across all web application components, with particular attention to user-supplied data handling in administrative interfaces. Regular security assessments and penetration testing of mobile device management platforms should be conducted to identify similar vulnerabilities. The ATT&CK framework suggests implementing defensive measures such as browser security policies, content security policies, and user education programs to reduce the risk of successful exploitation. Organizations should also establish robust monitoring procedures to detect anomalous behavior in mobile device management systems that could indicate exploitation attempts.