CVE-2007-1828 in WebAPP
Summary
by MITRE
Multiple cross-site scripting (XSS) vulnerabilities in web-app.org WebAPP before 0.9.9.6 allow remote authenticated users to inject arbitrary web script or HTML via (1) the QUERY_STRING corresponding to drop downs or (2) various forms.
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Analysis
by VulDB Data Team • 08/28/2018
The vulnerability identified as CVE-2007-1828 represents a critical security flaw in the web-app.org WebAPP software prior to version 0.9.9.6, specifically manifesting as multiple cross-site scripting vulnerabilities that pose significant risks to web application security. This vulnerability falls under the Common Weakness Enumeration category CWE-79, which defines the weakness of "Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')" as the fundamental root cause of the issue. The flaw enables remote authenticated users to inject malicious web scripts or HTML code into the application's web interface, creating a persistent threat vector that can compromise user sessions and data integrity.
The technical exploitation of this vulnerability occurs through two primary attack vectors within the web application's input handling mechanisms. The first vector involves manipulation of the QUERY_STRING parameters that correspond to drop-down menu elements, while the second vector targets various forms throughout the application's interface. Both attack paths demonstrate how insufficient input validation and output encoding practices can create pathways for malicious code injection. When authenticated users interact with these vulnerable components, the application fails to properly sanitize or escape user-supplied data before rendering it back to the browser, thereby allowing attackers to execute arbitrary scripts in the context of the victim's browser session.
The operational impact of CVE-2007-1828 extends beyond simple data theft or display manipulation, as it provides attackers with the capability to hijack user sessions, steal sensitive information, and potentially escalate privileges within the application environment. This vulnerability directly aligns with the ATT&CK framework's technique T1059.007, which covers "Command and Scripting Interpreter: PowerShell," though in this case the scripting interpreter is the web browser's JavaScript engine rather than PowerShell. The authenticated nature of the attack means that attackers must first establish valid credentials, but once achieved, they can leverage this vulnerability to perform actions that would normally require administrative privileges within the application's context. This creates a particularly dangerous scenario where legitimate users can be exploited to carry out malicious activities without detection.
Organizations affected by this vulnerability should implement immediate mitigations including comprehensive input validation and output encoding mechanisms throughout the application's codebase. The remediation strategy should focus on implementing proper HTML entity encoding for all user-supplied data before rendering it in web pages, alongside thorough parameter validation for QUERY_STRING components and form inputs. Additionally, the application should be updated to version 0.9.9.6 or later, which contains the necessary patches to address these XSS vulnerabilities. Security teams should also consider implementing Content Security Policy (CSP) headers to provide additional protection against script injection attacks, and conduct regular security assessments to identify similar vulnerabilities in other application components. The vulnerability serves as a critical reminder of the importance of input sanitization and the potential consequences of inadequate web application security controls in authenticated environments.