CVE-2014-4164 in FireFlow
Summary
by MITRE
Cross-site scripting (XSS) vulnerability in AlgoSec FireFlow 6.3-b230 allows remote attackers to inject arbitrary web script or HTML via a user signature to SelfService/Prefs.html.
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Analysis
by VulDB Data Team • 03/10/2019
The CVE-2014-4164 vulnerability represents a critical cross-site scripting flaw in AlgoSec FireFlow version 6.3-b230 that exposes the application to remote code execution through malicious web script injection. This vulnerability specifically targets the SelfService/Prefs.html endpoint, which serves as a user preference management interface within the FireFlow security orchestration platform. The flaw arises from insufficient input validation and output encoding mechanisms that fail to properly sanitize user-provided data before rendering it within the web interface. Attackers can exploit this weakness by crafting malicious user signatures that contain embedded JavaScript or HTML code, which then executes in the context of other users' browsers who view the affected interface. The vulnerability stems from improper handling of untrusted input data within the application's preference management subsystem, creating a persistent vector for malicious code delivery that can compromise user sessions and potentially escalate privileges within the security orchestration environment.
The technical implementation of this XSS vulnerability aligns with CWE-79, which categorizes cross-site scripting as a code injection flaw where untrusted data is improperly integrated into web pages viewed by other users. This particular variant demonstrates characteristics of reflected XSS in a persistent context since the malicious input is stored within the application's preference handling system and subsequently served to other users without proper sanitization. The attack surface extends beyond simple script execution to include session hijacking, credential theft, and potential data exfiltration from users interacting with the FireFlow interface. The vulnerability's exploitation requires minimal privileges as attackers only need to submit malicious input through the SelfService/Prefs.html endpoint, making it particularly dangerous in environments where multiple users access the same security platform. The flaw represents a failure in the application's defense-in-depth strategy, specifically in its input validation and output encoding controls that should prevent malicious content from being rendered in user contexts.
The operational impact of CVE-2014-4164 extends significantly within enterprise security environments that rely on AlgoSec FireFlow for network security orchestration and policy management. Attackers who successfully exploit this vulnerability can manipulate user sessions, potentially gaining unauthorized access to sensitive security configurations and network policies managed through the FireFlow platform. The compromised environment may allow attackers to view, modify, or delete security policies, undermining the integrity of the entire security infrastructure. Additionally, the vulnerability could enable attackers to establish persistent access points within the network security ecosystem, as compromised user sessions might provide continued access to security monitoring and enforcement capabilities. The attack could result in unauthorized changes to firewall rules, security policies, or network access controls, potentially creating backdoors or weakening security postures across the organization's network infrastructure.
Organizations should implement multiple layers of mitigation strategies to address this vulnerability effectively. Immediate remediation involves applying the vendor-provided security patches or upgrading to FireFlow versions that contain proper input validation and output encoding fixes. The implementation of Content Security Policy headers should be enforced to prevent execution of unauthorized scripts within the application context, providing an additional defensive layer against XSS attacks. Input sanitization mechanisms must be strengthened to properly validate and escape all user-provided data before processing, particularly within preference management interfaces. Network segmentation and access controls should be reviewed to limit exposure of the affected endpoint to only authorized users who require access to the preference management functionality. Regular security assessments and penetration testing should be conducted to identify similar vulnerabilities in other application components, while user education programs should emphasize the importance of recognizing and reporting suspicious web content. The remediation process should also include monitoring for potential exploitation attempts through network logs and web application firewalls, as the vulnerability's exploitation would likely generate detectable traffic patterns that could alert security teams to ongoing attacks against the FireFlow environment.