CVE-2022-4959 in redbbs
Summary
by MITRE • 01/11/2024
A vulnerability classified as problematic was found in qkmc-rk redbbs 1.0. Affected by this vulnerability is an unknown functionality of the component Nickname Handler. The manipulation leads to cross site scripting. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. The identifier VDB-250237 was assigned to this vulnerability.
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Analysis
by VulDB Data Team • 01/28/2024
The vulnerability identified as CVE-2022-4959 represents a cross site scripting flaw within the qkmc-rk redbbs 1.0 software platform, specifically affecting the Nickname Handler component. This classification places the issue within the realm of web application security vulnerabilities that can compromise user sessions and data integrity. The vulnerability's designation as "problematic" by the reporting authority indicates a significant security risk that requires immediate attention from system administrators and security teams responsible for maintaining the affected software infrastructure.
The technical implementation of this vulnerability stems from inadequate input validation and output encoding within the nickname handling functionality of the redbbs platform. When users interact with the nickname handler component, malicious input containing script tags or other executable code can be processed without proper sanitization, allowing attackers to inject malicious payloads into the web application's response. This flaw enables attackers to execute arbitrary JavaScript code within the context of other users' browsers, potentially leading to session hijacking, data theft, or further exploitation of the compromised user environment.
The operational impact of this vulnerability extends beyond simple data exposure, as it provides attackers with a remote execution vector that can be leveraged for various malicious activities. Since the exploit is publicly disclosed and actively used in the wild, the risk to systems running affected versions of qkmc-rk redbbs 1.0 is elevated. The remote attack surface means that unauthorized parties can exploit this weakness without requiring physical access to the target system, making it particularly dangerous for web applications that handle user-generated content or maintain user sessions. This vulnerability directly aligns with CWE-79, which describes cross site scripting flaws in web applications, and can be mapped to ATT&CK technique T1566 for social engineering attacks that leverage web-based exploitation.
Organizations utilizing qkmc-rk redbbs 1.0 must implement immediate mitigations to protect their systems from exploitation. The primary remediation approach involves updating to the latest available version of the software that contains patches for this vulnerability. Additionally, implementing proper input validation and output encoding mechanisms within the nickname handler component can provide defense in depth. Security teams should also consider deploying web application firewalls that can detect and block malicious script injection attempts. Regular security assessments and penetration testing of the affected platform should be conducted to ensure that the implemented fixes are effective and that no other similar vulnerabilities exist within the application's codebase. The vulnerability's public disclosure status necessitates immediate action to prevent potential exploitation by threat actors who may be actively scanning for this specific weakness in their attack campaigns.