CVE-2019-25053 in FRP 1000
Summary
by MITRE • 01/27/2023
A path traversal vulnerability exists in Sage FRP 1000 before November 2019. This allows remote unauthenticated attackers to access files outside of the web tree via a crafted URL.
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Analysis
by VulDB Data Team • 03/28/2025
The vulnerability identified as CVE-2019-25053 represents a critical path traversal flaw in Sage FRP 1000 software versions prior to November 2019. This weakness resides in the application's handling of user-supplied input within URL parameters, creating an avenue for unauthorized information disclosure. The vulnerability stems from inadequate input validation and sanitization mechanisms that fail to properly restrict file system access when processing external requests. Attackers can exploit this issue by constructing malicious URLs that manipulate file path resolution, effectively bypassing intended access controls and gaining unauthorized access to sensitive system files outside the designated web root directory.
The technical implementation of this vulnerability aligns with CWE-22, which describes improper limitation of a pathname to a restricted directory, commonly known as path traversal or directory traversal attacks. This flaw operates by manipulating URL parameters to traverse directory structures using sequences such as ../ or ..\, allowing attackers to navigate beyond the intended web application boundaries. The vulnerability specifically affects the file retrieval mechanisms within Sage FRP 1000, where user input directly influences file system operations without proper sanitization or validation. The attack vector requires no authentication credentials, making it particularly dangerous as it can be exploited remotely by any attacker with knowledge of the target system's URL structure.
The operational impact of CVE-2019-25053 extends beyond simple information disclosure, potentially exposing sensitive configuration files, database credentials, application source code, and other confidential data stored on the server. This vulnerability can lead to complete system compromise when combined with other attack vectors, as attackers may gain access to administrative interfaces, user databases, or system configuration files that contain critical security parameters. The remote unauthenticated nature of the exploit means that organizations cannot rely on network-level access controls or authentication mechanisms to prevent exploitation, making this vulnerability particularly severe for systems with exposed web interfaces. Organizations using affected versions of Sage FRP 1000 face significant risk of data breaches, regulatory compliance violations, and potential system compromise that could affect business continuity and customer data protection.
Mitigation strategies for this vulnerability should include immediate deployment of vendor-provided security patches released after November 2019, which address the path traversal flaw through proper input validation and sanitization. Organizations should implement comprehensive web application firewalls that can detect and block suspicious path traversal patterns in URL requests, particularly targeting sequences that attempt to traverse directory structures. Network segmentation and access control measures should be strengthened to limit exposure of vulnerable systems to untrusted networks. Regular security assessments and penetration testing should be conducted to identify similar vulnerabilities in other applications and systems. The implementation of the principle of least privilege should be enforced, ensuring that web applications operate with minimal required file system permissions to limit potential damage from successful exploitation attempts. Additionally, organizations should maintain updated inventory records of all installed software versions to quickly identify and remediate similar vulnerabilities across their infrastructure.