CVE-2024-31839 in CHAOS
Summary
by MITRE • 04/12/2024
Cross Site Scripting vulnerability in tiagorlampert CHAOS v.5.0.1 allows a remote attacker to escalate privileges via the sendCommandHandler function in the handler.go component.
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Analysis
by VulDB Data Team • 04/06/2025
The CVE-2024-31839 vulnerability represents a critical cross site scripting flaw within the tiagorlampert CHAOS v5.0.1 web application framework. This vulnerability specifically affects the sendCommandHandler function located within the handler.go component, creating a significant security risk for organizations utilizing this software. The flaw enables remote attackers to execute malicious scripts in the context of affected users' browsers, potentially leading to unauthorized access and privilege escalation within the application environment. The vulnerability stems from inadequate input validation and output encoding mechanisms that fail to properly sanitize user-supplied data before processing or rendering within the web interface.
The technical implementation of this vulnerability demonstrates a classic XSS attack vector through the handler.go component where the sendCommandHandler function processes incoming commands without sufficient sanitization measures. When users submit commands through the affected interface, the application fails to properly encode or escape special characters in the output rendering process, allowing malicious payloads to be executed in the victim's browser context. This vulnerability operates under CWE-79 which categorizes cross site scripting flaws as weaknesses in input validation and output encoding, making it particularly dangerous as it can be exploited to hijack user sessions, steal sensitive information, or perform unauthorized actions on behalf of authenticated users.
The operational impact of this vulnerability extends beyond simple script execution, as the privilege escalation capability significantly amplifies the potential damage. Attackers can leverage this vulnerability to gain elevated privileges within the CHAOS framework, potentially allowing them to access administrative functions, modify system configurations, or compromise the integrity of the entire application. The remote nature of the exploit means that attackers do not require physical access to the system or local network presence, making the vulnerability particularly concerning for organizations with web-facing applications. This flaw directly impacts the application's security posture by undermining the principle of least privilege and creating potential entry points for more sophisticated attacks.
Organizations should immediately implement multiple layers of defense to mitigate this vulnerability, starting with the immediate patching of the affected CHAOS v5.0.1 framework to the latest available version. The mitigation strategy should include implementing comprehensive input validation mechanisms that sanitize all user-supplied data before processing, combined with proper output encoding techniques that prevent malicious scripts from executing in browser contexts. Additionally, organizations should deploy web application firewalls with XSS detection capabilities and implement content security policies to further reduce the attack surface. The vulnerability aligns with several ATT&CK techniques including T1566 for phishing attacks and T1071 for application layer protocol usage, making it a critical target for security teams to address through both immediate remediation and long-term security architecture improvements.