CVE-2012-6608 in Elastix
Summary
by MITRE
Cross-site scripting (XSS) vulnerability in xmlservices/E_book.php in Elastix 2.3.0 allows remote attackers to inject arbitrary web script or HTML via the Page parameter.
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Analysis
by VulDB Data Team • 01/05/2025
The vulnerability identified as CVE-2012-6608 represents a critical cross-site scripting flaw within the Elastix 2.3.0 telephony management platform. This issue resides in the xmlservices/E_book.php component which processes user input through the Page parameter without adequate sanitization or validation. The vulnerability falls under CWE-79 which specifically addresses cross-site scripting conditions where web applications fail to properly validate or escape user-supplied data before incorporating it into dynamic web content.
The technical exploitation of this vulnerability occurs when remote attackers submit malicious payloads through the Page parameter in the E_book.php script. When the application processes this input without proper input validation or output encoding, it allows attackers to inject arbitrary web scripts or HTML code that gets executed in the context of other users' browsers. This creates a persistent threat where legitimate users who view the affected page become unwitting participants in the attack, potentially leading to session hijacking, credential theft, or further compromise of the system.
The operational impact of this vulnerability extends beyond simple script injection as it compromises the integrity and confidentiality of the telephony management environment. Organizations using Elastix 2.3.0 face significant risks including unauthorized access to sensitive communication data, potential disruption of voice services, and exposure of internal network information. The vulnerability is particularly dangerous in enterprise environments where Elastix systems manage critical communication infrastructure and where attackers could leverage the XSS payload to escalate privileges or gain deeper access to the underlying system.
Mitigation strategies for this vulnerability should include immediate patching of the Elastix platform to the latest available version that addresses this specific XSS flaw. System administrators should implement proper input validation and output encoding mechanisms to sanitize all user-supplied data before processing. The principle of least privilege should be enforced where possible, limiting the execution capabilities of web applications. Additionally, implementing Content Security Policy headers and regular security scanning of web applications can help detect and prevent similar vulnerabilities. This vulnerability aligns with ATT&CK technique T1059.007 which covers scripting through web shells, and demonstrates the importance of proper input validation in preventing client-side exploitation. Organizations should also consider implementing web application firewalls and regular security audits to identify potential XSS vulnerabilities in their telephony and communication systems.