CVE-2022-33929 in Wyse Management Suite
Summary
by MITRE • 08/10/2022
Dell Wyse Management Suite 3.6.1 and below contains a Reflected Cross-Site Scripting Vulnerability in EndUserSummary page. An authenticated attacker could potentially exploit this vulnerability, leading to the execution of malicious HTML or JavaScript code in a victim user's web browser in the context of the vulnerable web application. Exploitation may lead to information disclosure, session theft, or client-side request forgery.
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Analysis
by VulDB Data Team • 08/11/2022
The CVE-2022-33929 vulnerability resides within Dell Wyse Management Suite version 3.6.1 and earlier, representing a critical reflected cross-site scripting flaw that compromises the security integrity of the web-based management interface. This vulnerability specifically affects the EndUserSummary page component, which serves as a key administrative interface for managing Wyse device deployments. The flaw stems from insufficient input validation and output encoding mechanisms within the web application's response handling, creating an avenue for malicious actors to inject malicious script payloads that execute within victim browsers. The vulnerability demonstrates characteristics consistent with CWE-79, which specifically addresses cross-site scripting flaws in web applications where user-provided data is improperly sanitized before being rendered back to users.
The technical exploitation of this vulnerability requires an authenticated attacker who can leverage the reflected XSS vector to inject malicious JavaScript code through manipulated input parameters. When a victim user navigates to the vulnerable EndUserSummary page with crafted malicious parameters, the web application reflects the attacker-controlled input back to the browser without proper sanitization. This creates a persistent execution environment where the injected scripts can operate with the privileges and session context of the authenticated victim user. The reflected nature of the vulnerability means that the malicious payload must be delivered through a crafted URL or request that the victim is tricked into executing, often via social engineering techniques or compromised links within the management suite's user interface.
The operational impact of this vulnerability extends beyond simple script execution, as it provides attackers with significant capabilities for compromising the management environment. Successful exploitation could enable attackers to steal session cookies and authentication tokens, effectively allowing them to impersonate legitimate users within the Wyse Management Suite. This session hijacking capability poses severe risks to device management integrity, potentially enabling unauthorized device configuration changes, data exfiltration, and privilege escalation within the management infrastructure. The vulnerability also opens doors for client-side request forgery attacks, where malicious scripts could perform unauthorized actions on behalf of the victim user, including accessing sensitive device configurations or executing administrative commands.
Organizations utilizing Dell Wyse Management Suite should prioritize immediate remediation through official firmware and software updates provided by Dell to address this vulnerability. The mitigation strategy should include implementing proper input validation controls and output encoding mechanisms throughout the web application's codebase, aligning with security best practices outlined in the OWASP Top Ten and NIST Cybersecurity Framework. Network segmentation and access controls should be reinforced to limit the attack surface, while security monitoring should be enhanced to detect anomalous user behavior patterns that might indicate exploitation attempts. Additionally, regular security assessments and penetration testing should be conducted to identify similar vulnerabilities within the broader management infrastructure, ensuring comprehensive protection against evolving threats in the cybersecurity landscape.