CVE-2006-2291 in IA-Calendar
Summary
by MITRE
Cross-site scripting (XSS) vulnerability in calendar_new.asp in IA-Calendar allows remote attackers to inject arbitrary web script or HTML via the TypeName1 parameter. NOTE: the provenance of this information is unknown; the details are obtained from third party information.
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Analysis
by VulDB Data Team • 09/06/2017
This cross-site scripting vulnerability exists in the IA-Calendar application's calendar_new.asp component where the TypeName1 parameter fails to properly sanitize user input before incorporating it into dynamically generated web content. The flaw represents a classic reflected XSS attack vector that enables remote attackers to execute malicious scripts in the context of victim browsers. The vulnerability stems from inadequate input validation and output encoding practices within the web application's parameter handling mechanisms.
The technical exploitation of this vulnerability occurs when an attacker crafts a malicious URL containing script code within the TypeName1 parameter value. When a victim clicks such a link and the application processes the parameter without proper sanitization, the injected script executes in the victim's browser session. This allows attackers to potentially steal session cookies, redirect users to malicious sites, deface web pages, or perform actions on behalf of authenticated users. The vulnerability specifically affects the calendar_new.asp page which likely serves as a form for creating new calendar entries or events.
From an operational perspective, this XSS vulnerability poses significant risks to user data confidentiality and application integrity. Attackers can leverage this flaw to establish persistent access to user sessions, potentially leading to privilege escalation or data theft. The impact extends beyond simple script execution as it can be combined with other attack vectors to create more sophisticated exploitation chains. Organizations using IA-Calendar may experience reputational damage, regulatory compliance issues, and potential legal consequences from successful XSS attacks. The vulnerability also represents a critical weakness in the application's security posture that could be exploited to gain deeper access to underlying systems.
Mitigation strategies should focus on implementing robust input validation and output encoding mechanisms throughout the application. The primary defense involves sanitizing all user-supplied input parameters including TypeName1 before processing or displaying them in web pages. Implementing proper HTML encoding and content security policies can prevent script execution in response to malicious input. Organizations should also consider deploying web application firewalls and security monitoring systems to detect and prevent exploitation attempts. Regular security testing including dynamic application security testing and manual penetration testing should be conducted to identify similar vulnerabilities in other application components. This vulnerability aligns with CWE-79 which specifically addresses cross-site scripting flaws in web applications and may be categorized under ATT&CK technique T1203 for exploitation of web application vulnerabilities.