CVE-2014-5317 in 365 Links
Summary
by MITRE
Cross-site scripting (XSS) vulnerability in php365.com 365 Links 3.11 and earlier, 365 Links2 3.11 and earlier, 365 Links+ 2.10 and earlier, and 365 Links2+ 2.10 and earlier allows remote attackers to inject arbitrary web script or HTML via unspecified vectors.
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Analysis
by VulDB Data Team • 03/15/2018
The vulnerability identified as CVE-2014-5317 represents a critical cross-site scripting flaw affecting multiple versions of the 365 Links software suite developed by php365.com. This security weakness impacts versions 3.11 and earlier of 365 Links 3.11, 365 Links2 3.11, 365 Links+ 2.10, and 365 Links2+ 2.10, creating a significant attack surface that could be exploited by remote threat actors. The vulnerability falls under the category of CWE-79, which specifically addresses cross-site scripting vulnerabilities in web applications. This classification indicates that the flaw allows attackers to inject malicious scripts into web pages viewed by other users, potentially compromising the security of the entire user base.
The technical nature of this vulnerability stems from inadequate input validation and output encoding mechanisms within the affected software implementations. Attackers can leverage unspecified vectors to inject arbitrary web scripts or HTML code into the application's response handling mechanisms. This injection occurs without proper sanitization of user-supplied data, allowing malicious payloads to be executed in the context of other users' browsers. The unspecified vectors suggest that the vulnerability may manifest through multiple entry points including form submissions, URL parameters, or other user-controllable input fields within the application's interface.
The operational impact of this vulnerability extends beyond simple script injection, as it enables attackers to perform various malicious activities including session hijacking, credential theft, and data exfiltration. When exploited, the XSS flaw could allow unauthorized individuals to impersonate legitimate users, access sensitive information, or modify application functionality. The remote exploitation capability means that attackers do not require physical access to the target system, making this vulnerability particularly dangerous as it can be exploited from anywhere on the internet. Users who interact with the vulnerable applications become potential victims of these attacks, as their browsers execute the injected malicious code without their knowledge or consent.
Mitigation strategies for CVE-2014-5317 should prioritize immediate software updates and patches provided by the vendor, as these would address the underlying input validation and output encoding deficiencies. Organizations should implement comprehensive input sanitization measures, including proper encoding of user-supplied data before rendering it in web responses. The implementation of Content Security Policy headers can provide an additional layer of protection against XSS attacks by restricting the sources from which scripts can be loaded. Security teams should also conduct thorough code reviews and penetration testing to identify similar vulnerabilities within their web applications. According to ATT&CK framework classification, this vulnerability maps to T1059.008 for script injection techniques, highlighting the need for robust application security controls and regular vulnerability assessments to prevent exploitation. Organizations using these vulnerable versions should consider implementing web application firewalls and monitoring for suspicious script injection attempts to detect potential exploitation attempts.