CVE-2016-5901 in Business Process Manager
Summary
by MITRE
Cross-site scripting (XSS) vulnerability in a test page in IBM Business Process Manager Advanced 8.5.6.0 through 8.5.7.0 before cumulative fix 2016.09 allows remote authenticated users to inject arbitrary web script or HTML via unspecified vectors.
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Analysis
by VulDB Data Team • 05/03/2019
The vulnerability identified as CVE-2016-5901 represents a cross-site scripting flaw within IBM Business Process Manager Advanced version 8.5.6.0 through 8.5.7.0, specifically affecting systems that have not applied the cumulative fix released in September 2016. This security weakness resides in a test page component that is part of the application's administrative interface, making it accessible to authenticated users who possess valid credentials within the system. The flaw stems from inadequate input validation and output encoding mechanisms that fail to properly sanitize user-supplied data before rendering it within web pages. According to CWE-79, this vulnerability directly maps to cross-site scripting vulnerabilities where web applications fail to properly validate or encode user-controllable data that is subsequently rendered in web pages viewed by other users. The affected test page functionality provides a pathway for malicious actors to inject arbitrary web scripts or HTML content, creating a persistent threat vector within the application environment.
The technical implementation of this vulnerability allows remote authenticated users to exploit the XSS flaw through unspecified vectors that likely involve manipulation of form inputs, URL parameters, or other user-controllable data fields within the test page interface. Attackers can leverage this weakness to execute malicious scripts in the context of a victim's browser session, potentially leading to session hijacking, credential theft, or redirection to malicious websites. The vulnerability's classification as a persistent XSS issue means that malicious payloads injected through the test page can remain active and affect subsequent users who access the same compromised interface. This behavior aligns with ATT&CK technique T1566.001 which describes the use of web application vulnerabilities for initial access and privilege escalation through malicious script injection. The attack surface is particularly concerning given that the test page functionality is typically accessible to administrators and other authenticated users who may have elevated privileges within the system.
The operational impact of CVE-2016-5901 extends beyond simple script injection, potentially enabling attackers to escalate privileges, access sensitive business process information, or compromise the integrity of workflow processes managed by IBM Business Process Manager Advanced. The vulnerability's presence in a test page component suggests that the issue may have been overlooked during security testing phases, highlighting gaps in the application's security validation procedures. Organizations utilizing affected versions of IBM Business Process Manager Advanced face significant risks, as authenticated attackers can leverage this flaw to establish persistent access to business process workflows and potentially disrupt critical business operations. The cumulative nature of the vulnerability means that all versions within the affected range remain at risk until the September 2016 cumulative fix is applied, making it essential for system administrators to prioritize patch deployment. This vulnerability also demonstrates the importance of proper input sanitization and output encoding practices in web applications, as outlined in OWASP Top Ten categories related to injection flaws and cross-site scripting. The security implications are particularly severe in enterprise environments where business process managers handle sensitive data and critical workflow automation, making the exploitation of such vulnerabilities a significant concern for information security teams and business continuity planners.