CVE-2014-4335 in BarracudaDrive
Summary
by MITRE
Multiple cross-site scripting (XSS) vulnerabilities in BarracudaDrive 6.7.2 allow remote attackers to inject arbitrary web script or HTML via the (1) host or (2) password parameter to rtl/protected/admin/ddns/.
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Analysis
by VulDB Data Team • 03/24/2022
The vulnerability identified as CVE-2014-4335 represents a critical cross-site scripting flaw within BarracudaDrive version 6.7.2, specifically affecting the dynamic domain name system administration interface. This security weakness resides in the rtl/protected/admin/ddns/ endpoint where the application fails to properly sanitize user input parameters. The vulnerability manifests when remote attackers exploit the host or password parameters, allowing them to inject malicious web scripts or HTML content that executes within the context of other users' browsers. This particular implementation flaw demonstrates poor input validation and output encoding practices that are fundamental to preventing XSS attacks.
The technical nature of this vulnerability aligns with CWE-79, which specifically addresses cross-site scripting weaknesses in web applications. The flaw occurs because the BarracudaDrive application does not adequately filter or escape special characters in the host and password parameters before processing them within the dynamic DNS administration interface. When these parameters are subsequently rendered in the web interface without proper sanitization, malicious code becomes executable within the victim's browser context. The attack vector is particularly concerning as it allows remote exploitation without requiring authentication, making it accessible to any attacker who can reach the affected system.
From an operational impact perspective, this vulnerability creates significant risk for organizations using BarracudaDrive 6.7.2 as it enables attackers to execute arbitrary code within users' browsers, potentially leading to session hijacking, credential theft, or redirection to malicious sites. The attack can be executed through simple HTTP requests that inject malicious payloads into the host or password parameters, making exploitation straightforward and potentially widespread. The vulnerability affects the administrative interface, which could provide attackers with elevated privileges if successful, though the exact scope depends on the specific implementation details of the application's access controls. This weakness directly violates the principle of least privilege and demonstrates inadequate defense-in-depth measures.
Mitigation strategies for CVE-2014-4335 should prioritize immediate patching of the BarracudaDrive application to version 6.7.3 or later, which contains the necessary security fixes. Organizations should implement input validation controls that strictly filter and sanitize all user-supplied data, particularly for parameters used in dynamic content generation. The implementation of proper output encoding mechanisms is essential to prevent malicious scripts from executing when rendered in web browsers. Network segmentation and access controls should limit exposure of the affected administrative interfaces to trusted networks only. Additionally, regular security assessments and web application firewalls can provide additional layers of protection. The vulnerability also highlights the importance of following secure coding practices such as those outlined in the OWASP Top Ten and NIST Cybersecurity Framework, which emphasize the need for comprehensive input validation and output encoding to prevent injection attacks. Organizations should conduct thorough security testing of their web applications and maintain updated threat intelligence to identify similar vulnerabilities across their technology stack.