CVE-2016-4392 in Business Service Management
Summary
by MITRE
A remote cross site scripting vulnerability has been identified in HP Business Service Management software v9.1x, v9.20 - v9.25IP1.
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Analysis
by VulDB Data Team • 05/01/2023
The vulnerability CVE-2016-4392 represents a critical remote cross site scripting flaw discovered in HP Business Service Management software across multiple versions including 9.1x and 9.20 through 9.25IP1. This vulnerability resides within the web-based administrative interface of the software, creating a significant security risk for organizations relying on HP Business Service Management for their service management operations. The flaw allows an attacker to inject malicious scripts into web pages viewed by other users, potentially compromising the integrity of the application and the data it processes. The vulnerability specifically affects the input validation mechanisms within the software's web interface, where user-supplied data is not properly sanitized before being rendered back to users.
The technical implementation of this cross site scripting vulnerability stems from inadequate input sanitization and output encoding within the HP Business Service Management web application. When the software processes user input through various web forms and parameters, it fails to adequately validate or escape special characters that could be interpreted as HTML or JavaScript code. This allows an attacker to craft malicious payloads that execute within the context of other users' browsers when they access affected pages. The vulnerability is classified under CWE-79 as a failure to sanitize user input, which is a well-documented weakness in web application security that has been consistently identified as a primary vector for XSS attacks. The flaw is particularly concerning as it affects the administrative interface of the software, which typically contains sensitive operational data and configuration settings.
The operational impact of this vulnerability 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 steal session cookies, redirect users to malicious websites, deface the application interface, or even execute arbitrary commands on the affected system. The vulnerability is especially dangerous in enterprise environments where HP Business Service Management is used for critical service management operations, as it could compromise the integrity of service requests, incident management processes, and configuration data. The remote nature of the vulnerability means that attackers do not require physical access to the system or local network privileges to exploit it, making it particularly attractive for widespread exploitation. This vulnerability aligns with ATT&CK technique T1566.001 for initial access through spearphishing attachments, though the specific exploitation in this case occurs through web interface manipulation.
Organizations affected by CVE-2016-4392 should implement immediate mitigations including applying the vendor-provided security patches and updates released by HP to address the vulnerability. Network segmentation and web application firewalls should be deployed to monitor and filter potentially malicious traffic targeting the affected software. Input validation should be strengthened at multiple layers including application-level filtering, output encoding, and proper content security policies. Regular security assessments and penetration testing should be conducted to identify similar vulnerabilities in other applications and systems. Additionally, user education regarding the risks of clicking suspicious links or visiting untrusted websites remains crucial in preventing exploitation of such vulnerabilities. The remediation process should also include monitoring for any signs of exploitation attempts and maintaining detailed audit logs of administrative activities to detect potential unauthorized access. Organizations should consider implementing the principle of least privilege for administrative accounts and ensure that all users have appropriate security training to recognize potential social engineering attempts that might accompany exploitation of such vulnerabilities.