CVE-2024-30845 in Rainbow External Link Network Disk
Summary
by MITRE • 04/12/2024
Cross Site Scripting vulnerability in Rainbow external link network disk v.5.5 allows a remote attacker to execute arbitrary code via the validation component of the input parameters.
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Analysis
by VulDB Data Team • 04/06/2025
This cross site scripting vulnerability exists within the Rainbow external link network disk version 5.5 and represents a critical security flaw that enables remote attackers to inject malicious scripts into web applications. The vulnerability specifically affects the validation component of input parameters, which fails to properly sanitize user-supplied data before processing. When users interact with the application through external links or network disk functionality, malicious actors can craft specially formatted input that bypasses standard validation mechanisms and executes arbitrary code within the victim's browser context. This type of vulnerability falls under the CWE-79 category of Cross Site Scripting, which is classified as a fundamental web application security weakness that allows attackers to inject client-side scripts into web pages viewed by other users. The ATT&CK framework categorizes this as a code injection technique under the T1566.001 sub-technique, specifically targeting web application vulnerabilities that enable execution of malicious payloads through input manipulation. The exploitation of this vulnerability can lead to session hijacking, data theft, credential compromise, and potential lateral movement within affected networks. Attackers can leverage this flaw to establish persistent access to user sessions, steal sensitive information, or redirect users to malicious websites that further exploit their systems. The impact extends beyond individual user compromise as the vulnerability affects the core network disk functionality, potentially allowing attackers to access shared files, modify network configurations, or use the compromised system as a pivot point for attacking other network resources. The validation component failure suggests that the application does not adequately implement input sanitization or output encoding mechanisms, which are fundamental security controls recommended by OWASP and NIST guidelines for preventing XSS attacks. The vulnerability's remote nature means that attackers do not require physical access to systems or insider knowledge to exploit it, making it particularly dangerous in enterprise environments where network disks are commonly used for file sharing and collaboration. Organizations using Rainbow external link network disk version 5.5 should immediately implement mitigations including input validation, output encoding, and proper sanitization of all user-supplied data. Additionally, deploying web application firewalls and implementing content security policies can help reduce the attack surface and prevent exploitation of this vulnerability. Regular security assessments and penetration testing should be conducted to identify similar flaws in other components of the application stack, as this vulnerability demonstrates a broader pattern of inadequate input validation that could affect other areas of the software. The remediation process should include updating to the latest version of the Rainbow external link network disk software where the vulnerability has been patched, and implementing comprehensive security monitoring to detect potential exploitation attempts.