CVE-2024-57777 in Ianproxy
Summary
by MITRE • 02/12/2025
Directory Traversal vulnerability in Ianproxy v.0.1 and before allows a remote attacker to obtain sensitive information
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Analysis
by VulDB Data Team • 06/30/2025
The directory traversal vulnerability identified as CVE-2024-57777 affects Ianproxy version 0.1 and earlier, representing a critical security flaw that enables remote attackers to access sensitive system information through improper input validation. This vulnerability falls under the Common Weakness Enumeration category CWE-22, which specifically addresses improper limitation of a pathname to a restricted directory, commonly known as path traversal or directory traversal attacks. The flaw exists in the application's handling of user-supplied input that is used to construct file paths without adequate sanitization or validation mechanisms.
The technical implementation of this vulnerability allows an attacker to manipulate file path parameters through crafted input sequences that can traverse directory structures beyond the intended scope. This typically occurs when the application directly incorporates user-controllable data into file access operations without proper filtering or normalization of special characters such as .. or \. In the case of Ianproxy, the vulnerability likely manifests when processing requests that involve file operations or path resolution, where attacker-controlled input can be used to navigate to arbitrary directories on the system. The vulnerability is particularly concerning because it enables unauthorized access to sensitive files, configuration data, logs, or other system resources that should remain protected from external access.
The operational impact of this vulnerability extends beyond simple information disclosure, as it provides attackers with the capability to potentially escalate privileges, access authentication credentials, retrieve system configuration files, or even execute arbitrary code depending on the system architecture and file permissions. Remote attackers can exploit this vulnerability from any network location without requiring prior authentication, making it particularly dangerous in environments where the application is exposed to untrusted networks. The attack surface is further expanded when considering that directory traversal vulnerabilities often serve as initial access vectors for more sophisticated attacks, including privilege escalation, lateral movement, or data exfiltration operations. According to the MITRE ATT&CK framework, this vulnerability maps to technique T1566.001 for initial access through valid accounts and T1078 for valid accounts, as attackers can leverage the compromised system to gain deeper access.
Mitigation strategies for CVE-2024-57777 should focus on implementing robust input validation and sanitization mechanisms at all points where user-supplied data is processed for file operations. Organizations should immediately upgrade to Ianproxy version 0.2 or later, which contains the necessary patches to address this vulnerability. Additionally, implementing proper path normalization techniques, using secure file access APIs, and enforcing strict access controls can significantly reduce the risk of exploitation. The implementation of web application firewalls and intrusion detection systems can provide additional layers of protection by monitoring for suspicious path traversal patterns. Security teams should also conduct comprehensive code reviews to identify similar vulnerabilities in other applications and ensure that all file path operations follow secure coding practices. Regular vulnerability assessments and penetration testing should be performed to validate the effectiveness of implemented controls and to identify any potential bypass mechanisms that attackers might employ.