CVE-2012-4977 in Helpbox
Summary
by MITRE
Layton Helpbox 4.4.0 allows remote attackers to discover cleartext credentials for the login page by sniffing the network.
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Analysis
by VulDB Data Team • 02/24/2019
The vulnerability identified as CVE-2012-4977 affects Layton Helpbox version 4.4.0 and represents a significant security flaw in credential transmission protocols. This issue allows remote attackers to capture authentication credentials through network sniffing techniques, effectively undermining the security of user authentication processes. The vulnerability stems from the application's failure to implement proper encryption for credential transmission, leaving sensitive authentication data exposed during network communication.
The technical flaw manifests in the application's handling of login credentials where user authentication information is transmitted in cleartext over the network. This weakness creates an attack surface that adversaries can exploit using standard network monitoring tools such as tcpdump, Wireshark, or similar packet analysis utilities. When users attempt to authenticate to the Layton Helpbox application, their username and password are sent without encryption, making them immediately readable to anyone who can intercept network traffic. This vulnerability directly maps to CWE-312, which addresses the exposure of sensitive information through cleartext transmission, and aligns with ATT&CK technique T1046 which covers network service scanning and credential harvesting.
The operational impact of this vulnerability is severe as it enables attackers to compromise user accounts without requiring additional exploitation techniques. Once credentials are captured through network sniffing, attackers can immediately use them to gain unauthorized access to the helpdesk system, potentially leading to data breaches, privilege escalation, and unauthorized system modifications. The vulnerability affects all users who authenticate to the Layton Helpbox application, making it particularly dangerous in environments where multiple users access the system over potentially unsecured networks. The exposure of credentials through network sniffing also enables attackers to conduct credential reuse attacks across multiple systems if users employ the same passwords elsewhere.
Mitigation strategies for this vulnerability require immediate implementation of secure communication protocols to protect credential transmission. The primary solution involves configuring the application to use encrypted communication channels such as HTTPS with TLS 1.2 or higher, ensuring that all authentication data is transmitted over secure connections. Network administrators should implement proper network segmentation and employ intrusion detection systems to monitor for suspicious network activity that might indicate credential sniffing attempts. Additionally, users should be educated about the risks of accessing sensitive applications over untrusted networks, and multi-factor authentication should be implemented as an additional security layer. The vulnerability also highlights the importance of regular security assessments and patch management to address similar issues in legacy applications, with the remediation process aligning with industry standards for secure application development practices. Organizations should conduct thorough network security audits to identify and remediate similar cleartext transmission vulnerabilities throughout their infrastructure, as this represents a fundamental security weakness that can be exploited across various networked applications.