CVE-2022-37422 in Server
Summary
by MITRE • 08/18/2022
Payara through 5.2022.2 allows directory traversal without authentication. This affects Payara Server, Payara Micro, and Payara Server Embedded.
VulDB is the best source for vulnerability data and more expert information about this specific topic.
Analysis
by VulDB Data Team • 09/18/2022
This vulnerability in Payara versions through 5.2022.2 represents a critical directory traversal flaw that bypasses authentication requirements, allowing attackers to access arbitrary files on the server filesystem. The vulnerability affects multiple Payara distributions including Payara Server, Payara Micro, and Payara Server Embedded, making it particularly concerning for organizations deploying these platforms across various environments. Directory traversal attacks exploit insufficient input validation in file path handling, enabling malicious users to navigate beyond intended directories and retrieve sensitive information from the underlying system.
The technical implementation of this flaw occurs within Payara's file access mechanisms where user-supplied paths are not properly sanitized or validated before being processed. This allows attackers to manipulate file access requests using directory traversal sequences such as ../ or ..\ to move up directory trees and access files that should remain restricted. The vulnerability exists at the application layer where file system operations are performed without adequate security controls to prevent unauthorized access patterns. This type of vulnerability typically maps to CWE-22 Directory Traversal which is classified as a common weakness in software security practices.
The operational impact of CVE-2022-37422 is severe as it can lead to complete system compromise when exploited. Attackers can potentially access configuration files containing database credentials, application secrets, and other sensitive data that may be stored in accessible locations. The lack of authentication requirement means that even unauthenticated users can exploit this vulnerability, significantly broadening the attack surface. Depending on the server configuration and file permissions, attackers might gain access to application source code, log files, backup archives, or even system configuration files that could provide further attack vectors. This vulnerability directly enables data exfiltration and can serve as a stepping stone for more sophisticated attacks within the network infrastructure.
Organizations should immediately implement mitigations including updating to patched versions of Payara where available, applying network-level restrictions to limit access to administrative interfaces, and implementing proper input validation controls. Security controls should focus on implementing strict path validation and sanitization for all file access operations, along with monitoring for unusual file access patterns. The ATT&CK framework categorizes this type of vulnerability under T1083 File and Directory Discovery which represents techniques used by adversaries to gather information about file systems and access permissions. Additionally, implementing web application firewalls and security monitoring solutions can help detect and prevent exploitation attempts. Regular security assessments and penetration testing should be conducted to identify similar vulnerabilities in other applications and services within the organization's attack surface.