CVE-2024-53676: HPE Insight Remote Support RCE Vulnerability

CVE-2024-53676 Overview

A directory traversal vulnerability has been identified in Hewlett Packard Enterprise (HPE) Insight Remote Support that may allow remote code execution. This vulnerability enables unauthenticated attackers to access files outside of the intended directory structure by manipulating file path inputs, potentially leading to full system compromise through arbitrary code execution.

Critical Impact

This vulnerability allows unauthenticated remote attackers to exploit path traversal weaknesses to achieve remote code execution on affected HPE Insight Remote Support installations, potentially compromising enterprise infrastructure monitoring systems.

Affected Products

• HPE Insight Remote Support

Discovery Timeline

• 2024-11-27 - CVE-2024-53676 published to NVD
• 2025-03-05 - Last updated in NVD database

Technical Details for CVE-2024-53676

Vulnerability Analysis

This directory traversal vulnerability (CWE-22) combined with files or directories accessible to external parties (CWE-552) affects HPE Insight Remote Support. The vulnerability allows attackers to escape the intended directory restrictions and access arbitrary files on the system. When exploited successfully, this can lead to remote code execution, giving attackers the ability to execute arbitrary commands with the privileges of the affected service.

The attack can be executed remotely over the network without requiring any authentication or user interaction, making it particularly dangerous for internet-facing deployments. Successful exploitation could result in complete compromise of confidentiality, integrity, and availability of the affected system.

Root Cause

The root cause stems from improper input validation and sanitization of file path inputs within HPE Insight Remote Support. The application fails to adequately validate user-supplied input before using it in file system operations, allowing malicious path traversal sequences (such as ../) to escape the intended directory boundaries. This is compounded by the application making files or directories accessible to external parties that should remain restricted (CWE-552).

Attack Vector

The vulnerability is exploitable via the network attack vector, requiring no privileges or user interaction. An attacker can craft malicious requests containing path traversal sequences to navigate outside of the restricted directory structure. By manipulating these file paths, the attacker can access sensitive files or write malicious content to locations that enable code execution.

The attack flow typically involves:

1. Identifying vulnerable endpoints that accept file path parameters
2. Crafting requests with directory traversal sequences (e.g., ../../) to escape intended boundaries
3. Accessing sensitive files or uploading malicious payloads
4. Achieving remote code execution through file manipulation or direct execution

For technical details and proof-of-concept information, refer to the GitHub PoC Repository.

Detection Methods for CVE-2024-53676

Indicators of Compromise

• HTTP requests containing path traversal sequences such as ../, ..%2f, %2e%2e/, or similar encoded variations targeting HPE Insight Remote Support
• Unexpected file access or modifications outside of normal application directories
• Log entries showing attempts to access system files or sensitive configuration files
• Unusual process execution spawned from HPE Insight Remote Support service accounts

Detection Strategies

• Implement web application firewall (WAF) rules to detect and block path traversal patterns in request parameters
• Monitor application and web server logs for suspicious path traversal sequences in URLs and parameters
• Deploy intrusion detection/prevention systems (IDS/IPS) with signatures for directory traversal attacks
• Enable file integrity monitoring on critical system directories and configuration files

Monitoring Recommendations

• Review access logs for HPE Insight Remote Support for anomalous request patterns
• Monitor network traffic for connections to/from HPE Insight Remote Support systems that deviate from baseline behavior
• Set up alerts for any unauthorized file system access attempts on affected systems
• Implement SIEM correlation rules to detect path traversal attack patterns across multiple log sources

How to Mitigate CVE-2024-53676

Immediate Actions Required

• Apply the security patch from HPE immediately to all affected HPE Insight Remote Support installations
• If patching is not immediately possible, consider temporarily isolating affected systems from untrusted networks
• Review system logs for any evidence of prior exploitation attempts
• Implement network-level access controls to limit exposure of HPE Insight Remote Support to trusted networks only

Patch Information

HPE has released a security bulletin addressing this vulnerability. Administrators should obtain the latest security update from the official HPE Security Bulletin and apply it according to their organization's change management procedures.

Workarounds

• Restrict network access to HPE Insight Remote Support to trusted IP addresses only using firewall rules
• Implement a reverse proxy or web application firewall (WAF) in front of the application with rules to block path traversal attempts
• Disable or limit external access to the affected service until patching can be completed
• Monitor for and block any requests containing directory traversal sequences at the network perimeter

# Example: Firewall rule to restrict access to HPE Insight Remote Support
# Allow only trusted management network
iptables -A INPUT -p tcp --dport 443 -s 10.0.0.0/8 -j ACCEPT
iptables -A INPUT -p tcp --dport 443 -j DROP