CVE-2014-3930 in Cistron-LG
Summary
by MITRE
lg.pl in Cistron-LG 1.01 stores sensitive information under the web root with insufficient access controls, which allows remote attackers to obtain IP addresses and other unspecified router credentials.
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Analysis
by VulDB Data Team • 08/25/2020
The vulnerability identified as CVE-2014-3930 affects Cistron-LG version 1.01 and represents a critical security flaw in how the software handles sensitive data storage. This issue resides in the lg.pl component which is part of the broader Cistron-LG suite designed for network management and monitoring purposes. The vulnerability stems from improper access control mechanisms that allow unauthorized remote actors to retrieve sensitive information from locations where it should be protected. The flaw demonstrates poor security architecture principles where sensitive credentials and network information are stored in publicly accessible directories without adequate protection measures.
The technical implementation of this vulnerability involves the lg.pl script storing router credentials and IP address information in directories that are accessible through the web root. This configuration violates fundamental security practices by placing sensitive data in locations where it can be accessed without proper authentication or authorization. The insufficient access controls mean that any remote attacker who can reach the web server can potentially retrieve this information through simple web requests or directory traversal techniques. The vulnerability affects the confidentiality aspect of the CIA triad by exposing sensitive network credentials that could provide attackers with unauthorized access to network infrastructure.
From an operational impact perspective, this vulnerability creates significant risk for organizations using Cistron-LG 1.01 systems. Attackers who exploit this flaw can obtain IP addresses and router credentials that may enable them to gain unauthorized access to network devices, potentially leading to full network compromise. The exposure of router credentials can allow attackers to modify network configurations, redirect traffic, or establish persistent access points within the network. This vulnerability aligns with CWE-200, which addresses the improper exposure of sensitive information, and represents a classic example of insecure direct object reference where the application fails to properly validate access to sensitive resources. The attack surface is particularly concerning because it allows for remote exploitation without requiring local system access or specialized tools.
The security implications extend beyond immediate credential theft to encompass potential network reconnaissance and lateral movement capabilities. Once attackers obtain the router credentials, they can perform network mapping, identify additional vulnerable devices, and potentially escalate their access to other network segments. This vulnerability also demonstrates poor application security design practices and violates security best practices outlined in various frameworks including the OWASP Top Ten. Organizations may face regulatory compliance issues if sensitive network information is exposed through such vulnerabilities, particularly in environments subject to standards like ISO 27001 or NIST cybersecurity frameworks. The remediation requires immediate attention through proper access control implementation, secure configuration of web server directories, and comprehensive review of all sensitive data storage practices within the application.
Mitigation strategies should include immediate implementation of proper access controls for web-accessible directories containing sensitive information, regular security audits of application configurations, and deployment of web application firewalls to monitor and restrict access to sensitive endpoints. The vulnerability also highlights the importance of following secure coding practices and conducting thorough security testing during development phases. Organizations should implement network segmentation to limit the potential impact of credential exposure and establish monitoring procedures to detect unauthorized access attempts to sensitive system components. This vulnerability serves as a reminder of the critical importance of proper information classification and access control mechanisms in preventing unauthorized data disclosure and maintaining overall network security posture.