CVE-2013-6910 in Garoon
Summary
by MITRE
Cross-site scripting (XSS) vulnerability in Ajax components in Cybozu Garoon before 3.7.0 allows remote attackers to inject arbitrary web script or HTML via unspecified vectors.
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Analysis
by VulDB Data Team • 03/02/2019
The CVE-2013-6910 vulnerability represents a critical cross-site scripting flaw within the Ajax components of Cybozu Garoon software versions prior to 3.7.0. This vulnerability resides in the web application's handling of user input within Ajax-based interface elements, creating a significant security risk for organizations relying on this collaboration platform. The vulnerability affects the core functionality of the software's dynamic web components that enable real-time data updates and interactive user experiences, making it particularly dangerous in enterprise environments where such features are extensively utilized.
The technical flaw manifests in the improper sanitization and validation of user-supplied data within Ajax request handlers and response processors. Attackers can exploit this weakness by crafting malicious payloads that are executed within the context of other users' browsers when they interact with affected Ajax components. The unspecified vectors suggest that multiple input points within the Ajax framework could serve as entry points for exploitation, including but not limited to form fields, URL parameters, or dynamic content injection points. This vulnerability falls under the CWE-79 category of Cross-Site Scripting, specifically representing a stored or reflected XSS variant depending on how the malicious content is delivered and processed.
The operational impact of this vulnerability extends beyond simple data theft or defacement, as it can enable attackers to establish persistent access to user sessions, steal sensitive corporate information, or manipulate the collaborative environment. In the context of Cybozu Garoon, which serves as a comprehensive business collaboration platform, successful exploitation could allow adversaries to access calendar entries, document repositories, messaging systems, and other sensitive business data. The vulnerability's remote nature means that attackers need not have physical access to the network, and the Ajax components' widespread use within the platform amplifies the potential damage. This aligns with ATT&CK technique T1566.001 for initial access through malicious web content and T1059.007 for command and scripting interpreter usage.
Organizations should implement immediate mitigations including upgrading to Cybozu Garoon version 3.7.0 or later, which contains the necessary patches to address the XSS vulnerability. Additionally, implementing proper input validation and output encoding measures at multiple layers of the application can provide defense-in-depth protection. Web application firewalls should be configured to detect and block suspicious script injection patterns, while security headers such as Content Security Policy should be enforced to limit script execution capabilities. Regular security assessments and code reviews focusing on Ajax component handling are essential for maintaining the security posture of collaborative platforms. The vulnerability demonstrates the critical importance of timely patch management and proper input sanitization in web applications, particularly those handling sensitive business data through dynamic interfaces.