CVE-2017-1698 in WebSphere Portal
Summary
by MITRE
IBM WebSphere Portal 7.0, 8.0, 8.5, and 9.0 could reveal sensitive information from an error message that could lead to further attacks against the system. IBM X-Force ID: 124390.
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Analysis
by VulDB Data Team • 01/28/2021
IBM WebSphere Portal versions 7.0, 8.0, 8.5, and 9.0 contained a vulnerability that exposed sensitive information through error messages, creating potential attack vectors for malicious actors. This vulnerability falls under the category of information disclosure, specifically manifesting when the system encountered errors during processing, leading to the exposure of internal system details that should remain hidden from unauthorized users. The flaw represents a classic case of insufficient error handling where system-generated error messages contained stack traces, internal paths, or other diagnostic information that could be leveraged by attackers to gain deeper insights into the system architecture and potentially identify additional vulnerabilities. The vulnerability is classified as CWE-209, which addresses the improper handling of exceptions and error messages that reveal sensitive information. This weakness directly enables techniques described in the MITRE ATT&CK framework under the T1083 discovery technique, where adversaries gather information about the system environment to plan further attacks. The impact of this vulnerability extends beyond simple information disclosure, as it provides attackers with valuable reconnaissance data that could facilitate more sophisticated attacks such as privilege escalation or lateral movement within the network infrastructure. When an error occurred in the WebSphere Portal environment, the system would return detailed error messages containing information about the internal workings of the application server, including file paths, component names, and potentially database connection details. This information exposure creates a significant risk for organizations as it removes the element of surprise from attackers who can now better understand the system's structure and identify potential attack surfaces. The vulnerability was particularly concerning because WebSphere Portal serves as a central hub for enterprise content management and collaboration, making it a prime target for cyber adversaries seeking to compromise critical business systems. Organizations running these affected versions of WebSphere Portal were exposed to the risk of attackers using the leaked information to craft more targeted attacks, potentially leading to unauthorized access to sensitive data or complete system compromise. The security implications were compounded by the fact that these portal versions were widely deployed across enterprise environments, meaning that a single vulnerability could impact numerous organizations simultaneously. IBM addressed this issue through patches and updates that implemented proper error handling mechanisms, ensuring that error messages no longer contained sensitive information that could be exploited by malicious actors. The remediation approach focused on sanitizing error messages to remove diagnostic information while still providing useful feedback to legitimate administrators for troubleshooting purposes. This vulnerability underscores the critical importance of secure error handling practices in enterprise applications and demonstrates how seemingly minor implementation flaws can create significant security risks when exploited by determined attackers. The incident serves as a reminder that error handling should never expose system internals, as this information can be invaluable to threat actors seeking to understand and compromise target environments. Organizations should implement comprehensive security testing that includes error message validation to ensure that system responses do not inadvertently reveal sensitive information. The remediation process required careful attention to maintain operational functionality while eliminating the information disclosure risk, highlighting the delicate balance between system usability and security hardening. This vulnerability exemplifies how application-level security flaws can have far-reaching consequences in enterprise environments where complex systems interact with sensitive business data and critical infrastructure components.