CVE-2009-1261 in Web Help Desk
Summary
by MITRE
Multiple cross-site scripting (XSS) vulnerabilities in Web Help Desk 9.1.22 (evaluation version) allow remote attackers to inject arbitrary web script or HTML via the (1) Report Name, (2) Asset No., and (3) Full Name fields in a Models action. NOTE: the provenance of this information is unknown; the details are obtained solely from third party information.
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Analysis
by VulDB Data Team • 12/10/2017
The vulnerability identified as CVE-2009-1261 represents a critical cross-site scripting flaw discovered in Web Help Desk version 9.1.22 evaluation release. This vulnerability resides within the web application's input validation mechanisms and specifically targets three distinct fields within the Models action functionality. The affected parameters include Report Name, Asset No., and Full Name fields, which collectively represent common data entry points within help desk management systems. These fields typically accept user input for reporting purposes and asset tracking, making them prime targets for malicious injection attacks. The vulnerability's classification as a remote code execution vector means that attackers can exploit this flaw without requiring local system access or authentication credentials, significantly expanding the attack surface and potential impact.
The technical nature of this vulnerability stems from insufficient sanitization and validation of user-supplied input data within the web application's processing pipeline. When users enter data into the identified fields, the application fails to properly filter or encode special characters that could be interpreted as executable script code by web browsers. This allows attackers to inject malicious javascript payloads or html code that executes in the context of other users' browsers who view the affected content. The vulnerability manifests as a classic reflected cross-site scripting issue where malicious input is immediately reflected back to users without proper encoding or validation. According to CWE standards, this corresponds to CWE-79 which specifically addresses Improper Neutralization of Input During Web Page Generation, commonly known as cross-site scripting. The weakness occurs at the application layer where user input is processed and rendered without adequate security controls to prevent malicious code execution.
The operational impact of this vulnerability extends beyond simple data theft or defacement, as it can enable attackers to perform session hijacking, redirect users to malicious sites, or extract sensitive information from authenticated sessions. The evaluation version of Web Help Desk suggests that this vulnerability affects not only production systems but also testing environments where administrators might be conducting security assessments. Attackers could leverage this vulnerability to gain unauthorized access to help desk systems, potentially compromising sensitive information including user credentials, service requests, and asset tracking data. The remote exploitation capability means that attackers can target users from any location without requiring physical access to the network or system infrastructure. This vulnerability aligns with ATT&CK technique T1566 which covers Phishing with Malicious Attachments or Links, and T1059 which addresses Command and Scripting Interpreter, as the injected scripts could be used to execute further malicious commands or establish persistent access.
Mitigation strategies for this vulnerability should include immediate implementation of proper input validation and output encoding mechanisms throughout the application. The most effective approach involves sanitizing all user inputs using established encoding libraries and implementing Content Security Policy headers to prevent unauthorized script execution. Organizations should also consider deploying web application firewalls to detect and block malicious input patterns. Regular security patching and updating of web applications should be implemented as a preventive measure, along with comprehensive input validation routines that specifically address XSS attack vectors. System administrators should conduct regular vulnerability assessments and penetration testing to identify similar weaknesses in other applications. The remediation process should include thorough code review of all input handling functions, implementation of proper escape sequences for html content, and deployment of automated security scanning tools to detect potential XSS vulnerabilities in future development cycles. Additionally, user education regarding safe browsing practices and awareness of phishing attempts can provide an additional layer of defense against exploitation of such vulnerabilities.