CVE-2011-1743 in Captiva eInput
Summary
by MITRE
Cross-site scripting (XSS) vulnerability in EMC Captiva eInput 2.1.1 before 2.1.1.37 allows remote attackers to inject arbitrary web script or HTML via unspecified vectors.
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Analysis
by VulDB Data Team • 01/29/2018
The CVE-2011-1743 vulnerability represents a critical cross-site scripting flaw discovered in EMC Captiva eInput 2.1.1 before version 2.1.1.37. This vulnerability falls under the CWE-79 category of Cross-Site Scripting, which is one of the most prevalent and dangerous web application security flaws. The EMC Captiva eInput platform serves as a document capture and processing solution that enables organizations to digitize and manage business documents through web-based interfaces. The vulnerability exists within the web application's input handling mechanisms, specifically in how it processes user-supplied data that is subsequently rendered in web pages without proper sanitization or encoding.
The technical nature of this vulnerability allows remote attackers to inject malicious scripts or HTML code through unspecified vectors within the application's interface. This typically occurs when user input is directly incorporated into web page content without appropriate validation or output encoding. Attackers can exploit this weakness by crafting malicious payloads that, when processed by the vulnerable application, execute in the context of other users' browsers. The unspecified vectors suggest that the vulnerability may manifest across multiple input points within the application, potentially including form fields, URL parameters, or other user-controllable data entry points. This broad attack surface increases the likelihood of successful exploitation and makes the vulnerability particularly dangerous in enterprise environments where multiple users interact with the system.
The operational impact of this vulnerability extends beyond simple script execution, as it can lead to complete session hijacking, credential theft, and unauthorized access to sensitive business information. When attackers successfully exploit this XSS vulnerability, they can steal session cookies, modify page content, redirect users to malicious sites, or perform actions on behalf of authenticated users. In the context of EMC Captiva eInput, which handles sensitive business documents and data processing workflows, such an exploitation could result in unauthorized access to confidential information, disruption of document processing workflows, and potential data breaches. The vulnerability affects organizations that rely on this document capture solution for critical business processes, making it particularly concerning for enterprises in regulated industries where document security and integrity are paramount.
Organizations should implement comprehensive mitigation strategies including immediate patching to version 2.1.1.37 or later, which addresses the XSS vulnerability through proper input validation and output encoding mechanisms. Additionally, implementing proper web application firewalls, content security policies, and input sanitization measures can provide additional defense layers. The vulnerability aligns with ATT&CK technique T1566.001 for Phishing and T1566.002 for Prephishing, as attackers could leverage this vulnerability to deliver malicious payloads through compromised user sessions. Regular security assessments and penetration testing should be conducted to identify similar vulnerabilities in web applications, while implementing secure coding practices that prevent XSS flaws through proper input validation and output encoding. Organizations should also establish incident response procedures to quickly address any exploitation attempts and maintain comprehensive logging to detect suspicious activities related to this vulnerability.