CVE-2007-1177 in WebAPP
Summary
by MITRE
WebAPP before 0.9.9.5 does not properly filter certain characters in contexts related to (1) the query string, (2) Profiles, (3) the Forum Post icon field, (4) the Edit Profile, and (5) the Gallery, which has unknown impact and remote attack vectors, possibly related to cross-site scripting (XSS).
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Analysis
by VulDB Data Team • 08/25/2018
The vulnerability identified as CVE-2007-1177 affects WebAPP versions prior to 0.9.9.5 and represents a significant security flaw in input validation mechanisms. This issue manifests across multiple application contexts including query string parameters, profile management systems, forum post icon fields, edit profile functionality, and gallery components. The core problem stems from inadequate sanitization of user-supplied input data, creating potential entry points for malicious actors to inject harmful code into the application's processing pipeline.
The technical nature of this vulnerability aligns with CWE-79 which specifically addresses cross-site scripting vulnerabilities in web applications. The flaw exists because the application fails to properly filter or escape special characters that could be interpreted as executable code by web browsers. When users submit data through any of the affected input fields, the application processes this information without sufficient validation, allowing potentially malicious payloads to persist within the application's data stores or be directly rendered in web responses.
The operational impact of this vulnerability extends beyond simple data corruption or display issues. Attackers could leverage this weakness to execute arbitrary JavaScript code within the context of other users' browsers, potentially leading to session hijacking, credential theft, or redirection to malicious sites. The remote attack vectors suggest that these vulnerabilities can be exploited without requiring physical access to the target system or local network presence, making them particularly dangerous in web-facing applications. The unknown impact designation indicates that the full scope of potential damage remains unclear, potentially encompassing more severe consequences than initially apparent.
The affected application contexts create multiple attack surfaces that attackers can exploit systematically. Query string parameters represent a common entry point for injection attacks, while profile management systems provide persistent storage for malicious content that could affect multiple users. Forum post icon fields and gallery components present additional opportunities for attackers to embed malicious scripts that execute when other users view these elements. The Edit Profile functionality creates a particularly concerning vector since it allows authenticated users to potentially modify their own profile information in ways that could affect the entire application ecosystem.
Mitigation strategies for this vulnerability should focus on implementing comprehensive input validation and output encoding mechanisms. The recommended approach involves deploying strict character filtering that removes or escapes potentially dangerous characters such as angle brackets, quotes, and script tags before processing user input. Additionally, implementing proper context-aware output encoding for all dynamic content ensures that even if malicious data slips through initial validation, it cannot be executed as code. The application should also enforce proper content security policies and utilize modern web application firewalls to detect and prevent exploitation attempts. Regular security audits and code reviews should specifically target input handling routines to prevent similar issues from emerging in future versions of the application.