CVE-2011-2468 in AnyMacro Mail System
Summary
by MITRE
Directory traversal vulnerability in the web interface in AnyMacro Mail System G4X allows remote attackers to read arbitrary files via directory traversal sequences in a request.
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Analysis
by VulDB Data Team • 08/06/2024
The CVE-2011-2468 vulnerability represents a critical directory traversal flaw within the web interface of AnyMacro Mail System G4X, a mail server solution that was widely deployed in enterprise environments during the early 2010s. This vulnerability resides in the application's handling of user-supplied input within web requests, specifically affecting the system's file access mechanisms. The flaw enables remote attackers to manipulate file path parameters and access files outside the intended directory structure, potentially compromising sensitive system information and data. The vulnerability is classified under CWE-22, which specifically addresses Improper Limitation of a Pathname to a Restricted Directory, making it a canonical example of path traversal attacks that have plagued web applications for decades. The AnyMacro Mail System G4X platform, designed for enterprise email management, was particularly susceptible to this issue due to inadequate input validation and sanitization in its web interface components.
The technical exploitation of this vulnerability occurs when an attacker crafts malicious HTTP requests containing directory traversal sequences such as "../" or "..\..\" in file path parameters. These sequences allow the attacker to navigate upward through the directory structure and access files that should normally be restricted to authorized users only. The vulnerability manifests because the application fails to properly validate or sanitize user input before processing file access requests, enabling attackers to bypass normal access controls and read arbitrary files from the server filesystem. The attack vector is particularly dangerous as it requires no authentication or privileged access, making it a remote code execution risk that can be exploited from anywhere on the internet. According to ATT&CK framework, this vulnerability maps to T1083 (File and Directory Discovery) and T1566 (Phishing with Social Engineering), as attackers can use this flaw to discover system files and potentially extract sensitive configuration data or credentials stored in accessible files.
The operational impact of CVE-2011-2468 extends beyond simple unauthorized file access, potentially exposing critical system information that could aid in further exploitation attempts. Attackers could access configuration files containing database credentials, system passwords, or application-specific secrets that would enable them to escalate privileges or gain deeper system access. The vulnerability also poses significant risk to data confidentiality as it allows access to user mail data, system logs, and potentially sensitive business information stored on the mail server. Organizations running AnyMacro Mail System G4X were particularly vulnerable since the flaw affected the core web interface functionality that users accessed for email management, making the attack surface large and the potential impact severe. The vulnerability's persistence in the system meant that even after initial exploitation, attackers could maintain access to sensitive files and potentially use the discovered information to launch additional attacks against the network infrastructure.
Mitigation strategies for CVE-2011-2468 require immediate implementation of input validation and sanitization measures across all web application components. Organizations should implement proper path validation that prevents directory traversal sequences from being processed, including filtering or rejecting any input containing "../" or similar patterns. The recommended approach aligns with industry best practices outlined in OWASP Top 10 and NIST guidelines for secure coding, emphasizing the importance of input sanitization and proper access controls. System administrators should also implement web application firewalls and intrusion detection systems to monitor for suspicious directory traversal attempts. The vulnerability's remediation involves updating to patched versions of AnyMacro Mail System G4X, as the vendor would have released security updates to address the flaw. Organizations should conduct thorough security assessments to identify all instances of the vulnerable software and ensure complete patch deployment across their infrastructure. Additionally, implementing principle of least privilege access controls and regular security audits would help prevent similar vulnerabilities from being exploited in the future, as this flaw represents a fundamental security misconfiguration that could be prevented through proper security architecture practices.