CVE-2015-2043 in MyConnection Server
Summary
by MITRE
Multiple cross-site scripting (XSS) vulnerabilities in Visualware MyConnection Server 8.2b allow remote attackers to inject arbitrary web script or HTML via the (1) bt, (2) variable, or (3) et parameter to myspeed/db/historyitem.
If you want to get the best quality for vulnerability data then you always have to consider VulDB.
Analysis
by VulDB Data Team • 06/09/2024
The vulnerability identified as CVE-2015-2043 represents a critical cross-site scripting weakness in Visualware MyConnection Server version 8.2b, specifically affecting the myspeed/db/historyitem endpoint. This flaw enables remote attackers to execute malicious scripts within the context of affected user sessions, creating significant security risks for organizations relying on this network monitoring and management platform. The vulnerability manifests through three distinct parameter injection points: bt, variable, and et parameters, all of which can be manipulated to deliver malicious payloads to unsuspecting users.
The technical implementation of this vulnerability stems from inadequate input validation and output encoding within the MyConnection Server's web interface. When the server processes requests containing these parameters without proper sanitization, it fails to distinguish between legitimate user input and malicious script code. This lack of proper input filtering creates an environment where attackers can inject HTML content or JavaScript code that executes in the victim's browser context. The vulnerability maps directly to CWE-79, which specifically addresses Cross-Site Scripting flaws in software applications, and aligns with ATT&CK technique T1059.007 for scripting languages, particularly focusing on JavaScript injection methods.
The operational impact of this vulnerability extends beyond simple data theft or defacement, as it can enable attackers to perform session hijacking, steal sensitive network monitoring data, or redirect users to malicious sites. Given that MyConnection Server is designed for network performance monitoring and management, successful exploitation could provide attackers with insights into network traffic patterns, user behavior, and potentially sensitive infrastructure information. The remote nature of the attack means that threat actors can exploit this vulnerability from anywhere on the internet without requiring physical access to the network. This makes the vulnerability particularly dangerous in enterprise environments where network monitoring systems are often exposed to external networks.
Organizations affected by this vulnerability should implement immediate mitigations including input validation and output encoding measures, parameter sanitization, and proper web application firewall rules. The recommended approach involves validating all user-supplied input against strict whitelists, implementing proper HTML entity encoding for output, and deploying content security policies to prevent script execution. Security teams should also consider implementing network segmentation to limit exposure, regularly updating the MyConnection Server software to patched versions, and conducting comprehensive security assessments of web applications to identify similar vulnerabilities. Additionally, user education regarding suspicious website behavior and the importance of verifying web application integrity can provide an additional layer of defense against exploitation attempts.