CVE-2014-9143 in TD5130 Router
Summary
by MITRE
Open redirect vulnerability in Technicolor Router TD5130 with firmware 2.05.C29GV allows remote attackers to redirect users to arbitrary web sites and conduct phishing attacks via a URL in the failrefer parameter.
If you want to get the best quality for vulnerability data then you always have to consider VulDB.
Analysis
by VulDB Data Team • 09/04/2024
The CVE-2014-9143 vulnerability represents a critical open redirect flaw discovered in Technicolor TD5130 routers running firmware version 2.05.C29GV. This vulnerability resides in the router's web interface handling mechanism where user-supplied input is not properly validated or sanitized before being used to construct redirect URLs. The specific parameter affected is failrefer, which is designed to handle failed authentication or redirect scenarios within the router's administrative interface. When an attacker crafts a malicious URL containing a crafted failrefer parameter, the router's web server processes this input without adequate validation, creating an opportunity for malicious redirection.
This vulnerability falls under the CWE-601 category of URL Redirection to Untrusted Site, which is classified as a serious security weakness in web applications and network devices. The flaw enables attackers to manipulate the router's redirect functionality to send users to arbitrary web addresses, making it particularly dangerous for phishing and social engineering attacks. The vulnerability is remotely exploitable, meaning attackers do not require physical access or local network credentials to leverage this flaw, significantly expanding the attack surface. The router's web interface, which typically serves as the primary point of interaction for network administrators, becomes a vector for delivering malicious payloads to unsuspecting users who might be logged into the device's administrative interface.
The operational impact of this vulnerability extends beyond simple phishing attacks, as it can enable more sophisticated attack chains. An attacker can craft malicious URLs that appear legitimate to users, potentially tricking them into providing credentials or downloading malware when they navigate to the attacker-controlled sites. The vulnerability's exploitation does not require authentication, making it particularly dangerous in environments where the router's administrative interface is accessible from untrusted networks. Network administrators who are unaware of this vulnerability may inadvertently expose their networks to attacks that could lead to complete network compromise. The attack vector is particularly insidious because it can be combined with other vulnerabilities or used as a stepping stone to gain deeper access to the network infrastructure.
Mitigation strategies for CVE-2014-9143 should focus on immediate firmware updates from Technicolor, as this vulnerability was likely addressed in subsequent firmware releases. Network administrators should also implement proper network segmentation to limit access to router administrative interfaces, ensuring that only trusted users can access these critical management functions. Additional protective measures include implementing web application firewalls that can detect and block suspicious redirect parameters, disabling unnecessary administrative interfaces, and conducting regular security audits of network devices. The vulnerability demonstrates the importance of input validation and proper sanitization in network device firmware, aligning with ATT&CK technique T1566 which covers phishing and social engineering attacks that often leverage such open redirect vulnerabilities. Organizations should also consider implementing network monitoring solutions that can detect anomalous redirect traffic patterns that may indicate exploitation attempts.