CVE-2019-19587 in Enterprise Integrator
Summary
by MITRE
In WSO2 Enterprise Integrator 6.5.0, reflected XSS occurs when updating the message processor configuration from the source view in the Management Console.
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Analysis
by VulDB Data Team • 03/07/2024
The vulnerability CVE-2019-19587 represents a reflected cross-site scripting flaw within WSO2 Enterprise Integrator version 6.5.0, specifically affecting the Management Console's message processor configuration update functionality. This issue arises when users attempt to modify message processor settings through the source view interface, creating an attack vector that allows malicious actors to inject arbitrary script code into the application's response. The vulnerability is classified under CWE-79 as a failure to sanitize user input, making it a classic reflected XSS vulnerability that can be exploited through crafted HTTP requests targeting the management console.
The technical exploitation of this vulnerability occurs when the WSO2 Enterprise Integrator Management Console fails to properly validate or escape user-supplied input during the message processor configuration update process. When administrators or users interact with the source view component of the console, the application does not adequately sanitize the input data before rendering it back to the user's browser. This allows an attacker to craft malicious payloads that, when processed by the application, get executed in the context of the victim's browser session. The reflected nature of the vulnerability means that the malicious script code is reflected back to the user through the application's response, typically via URL parameters or form fields, without being permanently stored on the server.
The operational impact of CVE-2019-19587 is significant for organizations utilizing WSO2 Enterprise Integrator 6.5.0, as it provides attackers with a potential pathway to escalate privileges and compromise the management console environment. Successful exploitation could enable attackers to steal session cookies, perform unauthorized administrative actions, or redirect users to malicious websites. The vulnerability affects the integrity and confidentiality of the management console, potentially allowing attackers to gain unauthorized access to sensitive integration configurations and data flows. Given that the management console typically requires elevated privileges, this vulnerability could serve as a stepping stone for more extensive attacks against the underlying integration infrastructure, particularly when combined with other exploitation techniques that leverage the ATT&CK framework's initial access and privilege escalation phases.
Organizations affected by this vulnerability should implement immediate mitigations including upgrading to WSO2 Enterprise Integrator versions that have addressed this issue, applying the vendor-provided security patches, and implementing input validation controls at the application level. Additional defensive measures should include web application firewall rules to detect and block malicious payloads targeting the affected management console endpoints, as well as regular security assessments of the integration platform. Network segmentation and access controls should be enforced to limit exposure of the management console to untrusted networks, while monitoring solutions should be configured to detect anomalous behavior patterns that may indicate exploitation attempts. The remediation process should also include user education regarding safe practices when interacting with management interfaces and regular vulnerability scanning of the integration environment to identify similar issues that may exist in other components of the WSO2 platform.