CVE-2014-0811 in Vista
Summary
by MITRE
Cross-site scripting (XSS) vulnerability in Blackboard Vista/CE 8.0 SP6 and earlier allows remote attackers to inject arbitrary web script or HTML via unspecified vectors.
Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.
Analysis
by VulDB Data Team • 02/01/2022
The vulnerability identified as CVE-2014-0811 represents a critical cross-site scripting flaw within Blackboard Vista and Blackboard Course Engine versions 8.0 Service Pack 6 and earlier. This vulnerability falls under the CWE-79 category of Cross-Site Scripting and specifically manifests as a remote code execution vector that enables attackers to inject malicious web scripts or HTML content into the target application. The flaw exists in the web application's input validation mechanisms, where user-supplied data is not properly sanitized before being rendered back to other users, creating an environment where malicious payloads can be executed in the context of affected users' browsers.
The technical nature of this vulnerability stems from insufficient sanitization of user input across unspecified vectors within the Blackboard platform's web interface. Attackers can leverage this weakness by crafting malicious payloads that, when processed by the application, get executed in the browsers of other users who view the affected content. This type of vulnerability is particularly dangerous in educational environments where Blackboard platforms host sensitive academic data, user credentials, and institutional information. The remote exploitation capability means that attackers do not require physical access to the system or local network presence to carry out successful attacks, making it an attractive target for cybercriminals seeking to compromise educational institutions.
The operational impact of CVE-2014-0811 extends beyond simple data theft or defacement, as it can enable attackers to establish persistent access to user sessions, steal authentication tokens, and potentially escalate privileges within the platform. This vulnerability aligns with ATT&CK technique T1059.007 for Command and Scripting Interpreter, specifically web shell deployment, and can facilitate lateral movement within the educational network through session hijacking. The attack surface is particularly wide given that Blackboard platforms are widely used in academic institutions, making successful exploitation potentially devastating for institutional security and data integrity.
Organizations affected by this vulnerability should implement immediate mitigation strategies including applying the vendor-provided patches and updates, implementing web application firewalls to filter malicious payloads, and conducting thorough security assessments of the platform's input handling mechanisms. The remediation process should also include comprehensive user education regarding the dangers of clicking suspicious links and the importance of maintaining updated software versions. Additionally, implementing proper input validation and output encoding measures, such as those recommended by OWASP, can help prevent similar vulnerabilities from emerging in the future. Security teams should also consider implementing monitoring solutions to detect anomalous user behavior patterns that might indicate exploitation attempts.