CVE-2004-2459 in gnubiff
Summary
by MITRE
unknown vulnerability in gnubiff 1.2.0 and earlier allows local users to obtain passwords related to the password table.
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Analysis
by VulDB Data Team • 06/29/2018
The vulnerability identified as CVE-2004-2459 represents a critical security flaw within the gnubiff email notification application version 1.2.0 and earlier. This issue affects a widely used mail monitoring tool that provides desktop notifications for new email messages, particularly targeting systems where users store their email credentials within the application's configuration. The vulnerability specifically relates to improper handling of password storage and retrieval mechanisms within the application's password table functionality.
The technical flaw manifests in the application's failure to properly secure password data within its internal password management system. Local users with access to the system can exploit this weakness to extract password information from the password table, which typically stores credentials for various email accounts configured within gnubiff. This vulnerability operates at the application level rather than network level, making it particularly dangerous in environments where local privilege escalation or unauthorized access to user accounts is possible. The flaw essentially creates an information disclosure vulnerability that allows attackers to bypass normal authentication mechanisms and gain access to sensitive email credentials.
The operational impact of this vulnerability extends beyond simple credential theft, as it can enable attackers to gain unauthorized access to multiple email accounts simultaneously. When users configure gnubiff to monitor various email accounts including personal, work, and service accounts, the compromised credentials can be used for further attacks including phishing campaigns, identity theft, and unauthorized access to business systems. The vulnerability is particularly concerning in corporate environments where employees may store work-related email credentials in the application, potentially exposing sensitive business communications and data. This represents a classic case of insufficient data protection and inadequate access controls within desktop applications.
Mitigation strategies for CVE-2004-2459 should focus on immediate application updates to versions that address the password storage vulnerability, along with comprehensive credential rotation for all affected users. System administrators should implement strict access controls and audit logging to monitor for unauthorized access attempts to gnubiff configuration files. The vulnerability aligns with CWE-522, which addresses insufficiently protected credentials, and can be categorized under ATT&CK technique T1555.003 for credentials from password stores. Organizations should also consider implementing multi-factor authentication for email accounts and regular security assessments of desktop applications to identify similar vulnerabilities in other software components. Additionally, users should be educated about the risks of storing credentials in desktop applications and encouraged to use more secure credential management solutions.
This vulnerability demonstrates the critical importance of proper password handling in desktop applications and highlights the need for robust security practices in client-side software development. The flaw represents a fundamental failure in application security design where sensitive data protection mechanisms were inadequate to prevent local information disclosure. Modern security frameworks emphasize the principle of least privilege and secure data handling, making this type of vulnerability particularly egregious in today's threat landscape where attackers increasingly target desktop applications as attack vectors. The remediation process should include not only patching the specific vulnerability but also implementing comprehensive security controls to prevent similar issues in other applications within the organization's infrastructure.