CVE-2022-29062 in FortiSOAR
Summary
by MITRE • 09/06/2022
Multiple relative path traversal vulnerabilities [CWE-23] in Fortinet FortiSOAR before 7.2.1 allows an authenticated attacker to write to the underlying filesystem with nginx permissions via crafted HTTP requests.
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Analysis
by VulDB Data Team • 10/13/2022
The vulnerability identified as CVE-2022-29062 represents a critical relative path traversal flaw affecting Fortinet FortiSOAR versions prior to 7.2.1. This vulnerability falls under CWE-23 which specifically addresses relative path traversal issues where attackers can manipulate file paths to access or modify files outside of intended directories. The flaw exists within the application's handling of HTTP requests and demonstrates how improper input validation can lead to severe security implications. The vulnerability is particularly concerning because it allows authenticated attackers to leverage the nginx service permissions to write to the underlying filesystem, effectively providing a pathway for arbitrary file manipulation and potential system compromise.
The technical exploitation of this vulnerability occurs through crafted HTTP requests that manipulate path traversal sequences such as ../ or ..\ to navigate outside of the intended application directories. Attackers with valid authentication credentials can construct malicious requests that bypass normal file access controls and write files to arbitrary locations within the nginx user's permissions scope. This capability enables attackers to potentially upload malicious files, overwrite critical system components, or establish persistent access mechanisms within the FortiSOAR environment. The vulnerability demonstrates a fundamental flaw in the application's file path resolution logic where input validation fails to properly sanitize or normalize file paths before processing.
The operational impact of this vulnerability extends beyond simple file manipulation to encompass potential system compromise and data integrity breaches. An authenticated attacker could leverage this vulnerability to deploy malicious code, modify configuration files, or gain unauthorized access to sensitive information stored within the FortiSOAR environment. The nginx permissions context is particularly significant because it typically operates with restricted privileges but still maintains access to critical system resources. This vulnerability could enable attackers to escalate their privileges or establish persistent backdoors within the security operations platform. The implications are severe for organizations relying on FortiSOAR for security orchestration and incident response operations.
Organizations should immediately implement mitigations including upgrading to FortiSOAR version 7.2.1 or later, which contains the necessary patches to address the path traversal vulnerability. Network segmentation and access controls should be reinforced to limit the scope of potential exploitation, while monitoring systems should be enhanced to detect anomalous file access patterns or unusual HTTP request sequences. The vulnerability aligns with ATT&CK technique T1059 which covers command and scripting interpreter usage, and T1078 which addresses valid accounts for unauthorized access. Security teams should also implement web application firewalls and input validation controls to prevent similar vulnerabilities from being exploited in other applications within their environment. Regular security assessments and penetration testing should be conducted to identify and remediate similar path traversal vulnerabilities across the organization's technology stack.