CVE-2022-23347 in BigAnt Server
Summary
by MITRE • 03/22/2022
BigAnt Software BigAnt Server v5.6.06 was discovered to be vulnerable to directory traversal attacks.
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Analysis
by VulDB Data Team • 03/23/2022
The vulnerability identified as CVE-2022-23347 affects BigAnt Software BigAnt Server version 5.6.06 and represents a critical directory traversal flaw that allows attackers to access files outside the intended directory structure. This vulnerability stems from inadequate input validation within the server's file handling mechanisms, enabling malicious actors to manipulate file paths and gain unauthorized access to sensitive system resources. The flaw exists in the server's handling of user-supplied file path data without proper sanitization or access control enforcement, creating a pathway for attackers to navigate beyond the designated file system boundaries.
Directory traversal vulnerabilities such as CVE-2022-23347 fall 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. This weakness allows attackers to access files and directories that are stored outside the intended directory structure, potentially leading to unauthorized data access, system compromise, or information disclosure. The vulnerability aligns with the ATT&CK technique T1083 (File and Directory Discovery) and T1566 (Phishing for Information) as attackers can leverage this flaw to enumerate system files and extract sensitive information from the compromised server.
The operational impact of this vulnerability is severe as it can enable attackers to access configuration files, user credentials, system logs, and other sensitive data stored on the BigAnt Server. Successful exploitation could lead to complete system compromise, data exfiltration, and potential lateral movement within the network. The vulnerability affects organizations that rely on BigAnt Server for file sharing and collaboration, particularly those in environments where sensitive corporate data is stored. Attackers can exploit this weakness to access not only the server's file system but potentially gain insights into the organization's internal network structure and operational procedures.
Mitigation strategies for CVE-2022-23347 should prioritize immediate software updates from BigAnt Software to address the directory traversal vulnerability. Organizations should implement network segmentation to limit access to the BigAnt Server and apply principle of least privilege access controls to reduce the potential impact of exploitation. Input validation should be strengthened at all entry points to ensure that file paths are properly sanitized and validated before processing. Regular security audits and penetration testing should be conducted to identify similar vulnerabilities within the organization's file handling systems. Additionally, implementing web application firewalls and intrusion detection systems can provide additional layers of protection against directory traversal attacks targeting the affected server. The vulnerability underscores the importance of proper input validation and access control mechanisms in preventing unauthorized file system access and maintaining overall system security posture.