CVE-2011-1714 in QooxDoo
Summary
by MITRE
Cross-site scripting (XSS) vulnerability in framework/source/resource/qx/test/jsonp_primitive.php in QooxDoo 1.3 and possibly other versions, as used in eyeOS 2.2 and 2.3, and possibly other products allows remote attackers to inject arbitrary web script or HTML via the callback parameter.
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Analysis
by VulDB Data Team • 12/14/2024
The CVE-2011-1714 vulnerability represents a classic cross-site scripting flaw that emerged within the QooxDoo JavaScript framework, specifically affecting versions 1.3 and potentially earlier releases. This vulnerability manifests in the jsonp_primitive.php file located within the framework's source resource directory, creating a dangerous attack vector that impacts not only QooxDoo directly but also its downstream implementations such as eyeOS 2.2 and 2.3. The flaw stems from inadequate input validation and sanitization mechanisms that fail to properly escape or filter user-supplied data before incorporating it into web responses, thereby allowing malicious actors to inject arbitrary JavaScript code or HTML content.
The technical exploitation of this vulnerability occurs through manipulation of the callback parameter within the JSONP (JSON with Padding) implementation. JSONP is a technique used to overcome cross-origin restrictions in web browsers by dynamically loading scripts from external domains, but when improperly implemented, it creates significant security risks. In this case, the framework accepts the callback parameter directly from user input without proper sanitization, enabling attackers to inject malicious payloads that execute within the context of legitimate user sessions. The vulnerability specifically targets the framework's handling of JSONP requests where the callback parameter serves as a function name that gets executed, making it susceptible to script injection attacks that can compromise user browsers and potentially lead to session hijacking or data theft.
The operational impact of CVE-2011-1714 extends beyond simple script injection, as it can enable sophisticated attack chains that leverage the compromised environment for further exploitation. Attackers can craft malicious URLs with specially crafted callback parameters that, when executed by victim browsers, can perform actions such as stealing session cookies, redirecting users to malicious sites, or even executing commands on behalf of the victim. The vulnerability's persistence across multiple versions of the framework and its adoption in various products like eyeOS demonstrates the widespread nature of the flaw and its potential to affect numerous applications. This makes the vulnerability particularly dangerous as it can be exploited across different platforms and implementations that rely on the vulnerable framework components.
Security professionals should approach this vulnerability through the lens of CWE-79, which specifically addresses cross-site scripting flaws in software applications, and consider the implications within the MITRE ATT&CK framework under the 'Command and Control' and 'Initial Access' phases. The vulnerability's exploitation typically follows the pattern of delivering malicious payloads through web-based attack vectors, making it relevant to ATT&CK techniques such as 'Web Application Attack' and 'Phishing'. Mitigation strategies should include immediate patching of affected systems, implementation of proper input validation and output encoding mechanisms, and deployment of web application firewalls to detect and block suspicious callback parameter values. Additionally, organizations should conduct comprehensive security assessments to identify other potential injection points within their applications and ensure that all user-supplied data is properly sanitized before being processed or rendered in web contexts. The vulnerability serves as a reminder of the critical importance of input validation in web applications and the necessity of following secure coding practices that prevent the execution of untrusted code within the application's security context.