CVE-2001-1408 in Qube
Summary
by MITRE
Directory traversal vulnerability in readmsg.php in WebMail 2.0.1 in Cobalt Qube 3 allows remote attackers to read arbitrary files via a .. (dot dot) in the mailbox parameter.
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Analysis
by VulDB Data Team • 12/29/2024
The vulnerability identified as CVE-2001-1408 represents a critical directory traversal flaw within the WebMail 2.0.1 component of Cobalt Qube 3 systems. This security weakness resides in the readmsg.php script which processes mailbox parameters without proper input validation, creating an exploitable condition that allows unauthorized access to sensitive system files. The vulnerability specifically manifests when the mailbox parameter contains directory traversal sequences using the .. (dot dot) notation, enabling attackers to navigate beyond the intended directory structure and access files outside the designated mailbox boundaries. This type of vulnerability falls under the CWE-22 category, which specifically addresses improper limitation of a pathname to a restricted directory, commonly known as path traversal or directory traversal attacks.
The technical exploitation of this vulnerability occurs through the manipulation of the mailbox parameter in the readmsg.php script, where attackers can append directory traversal sequences to access files that should remain protected within the web application's restricted file system. When the web application processes these malformed parameters without adequate sanitization, it fails to validate that the requested file paths remain within the intended mailbox directory structure, allowing access to arbitrary files on the server. This flaw directly enables attackers to potentially read system configuration files, database credentials, user data, and other sensitive information that should not be accessible through normal web application interfaces.
The operational impact of this vulnerability extends beyond simple information disclosure, as it can lead to complete system compromise when combined with other exploitation techniques. Attackers leveraging this vulnerability can potentially access critical system files including password files, configuration databases, and application source code that may contain additional security flaws. The attack surface is particularly concerning for web applications running on the Cobalt Qube platform, as it provides unauthorized access to the underlying file system, potentially enabling further exploitation through privilege escalation or lateral movement within the network. This vulnerability directly aligns with ATT&CK technique T1083 (File and Directory Discovery) and T1566 (Phishing with Malicious Attachment) as attackers can use this weakness to gather intelligence about the target system and potentially establish persistence.
Mitigation strategies for CVE-2001-1408 should focus on implementing proper input validation and sanitization measures within the web application. The most effective approach involves implementing strict parameter validation that rejects any input containing directory traversal sequences or special path characters. Organizations should deploy web application firewalls and input filtering mechanisms that can detect and block malicious path traversal attempts before they reach the vulnerable application components. Additionally, implementing proper access controls and privilege separation ensures that even if exploitation occurs, the attacker's access remains limited to authorized file system boundaries. The vulnerability also underscores the importance of regular security assessments and patch management practices, as this flaw existed in a specific version of the Cobalt Qube software that was likely addressed through subsequent releases. System administrators should also consider implementing principle of least privilege access controls and regularly audit file system permissions to minimize the potential impact of such vulnerabilities.