CVE-2024-57727 in Remote Support Software
Summary
by MITRE • 01/16/2025
SimpleHelp remote support software v5.5.7 and before is vulnerable to multiple path traversal vulnerabilities that enable unauthenticated remote attackers to download arbitrary files from the SimpleHelp host via crafted HTTP requests. These files include server configuration files containing various secrets and hashed user passwords.
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Analysis
by VulDB Data Team • 06/13/2025
The vulnerability identified as CVE-2024-57727 affects SimpleHelp remote support software versions 5.5.7 and earlier, representing a critical path traversal flaw that exposes sensitive system information to unauthenticated attackers. This vulnerability stems from insufficient input validation within the software's HTTP request processing mechanism, allowing malicious actors to manipulate file path parameters and access files outside the intended directory structure. The flaw exists in the application's handling of user-supplied data during file retrieval operations, creating an exploitable condition where attackers can craft specific HTTP requests to traverse directory boundaries and access protected resources.
The technical implementation of this vulnerability aligns with CWE-22 Path Traversal and CWE-23 Improper Restriction of Operations Within a Single-Working Directory, both of which fall under the broader category of directory traversal attacks. Attackers can exploit this weakness by manipulating URL parameters or file path components to navigate through the file system hierarchy and retrieve files that should remain inaccessible. The vulnerability is particularly concerning because it affects the core functionality of the remote support software, where legitimate file operations are performed without proper sanitization of user inputs. This flaw enables attackers to bypass authentication mechanisms entirely and directly access server-side files through HTTP requests.
The operational impact of CVE-2024-57727 extends beyond simple unauthorized file access, as the affected system can expose server configuration files that contain sensitive credentials, API keys, database connection strings, and other confidential information. These configuration files often include hashed user passwords and other authentication-related data that can be exploited in subsequent attack phases. The vulnerability creates a significant risk for organizations using SimpleHelp, as attackers can gain access to system-level information that may enable further exploitation, including privilege escalation, lateral movement, and potential system compromise. The unauthenticated nature of this attack means that no prior access or credentials are required to exploit the vulnerability, making it particularly dangerous for publicly accessible systems.
Security professionals should consider this vulnerability in the context of ATT&CK technique T1083 File and Directory Discovery, which describes methods attackers use to gather information about file systems. The vulnerability also maps to ATT&CK technique T1566 Phishing with Malicious Attachments, as attackers may use the retrieved configuration files to craft more sophisticated social engineering attacks. Organizations should implement immediate mitigations including input validation and sanitization of all user-supplied data, implementing proper access controls and directory restrictions, and deploying web application firewalls to detect and block malicious path traversal attempts. The vulnerability demonstrates the critical importance of proper input validation and the principle of least privilege in software development, particularly for applications handling sensitive data and providing remote access capabilities.