CVE-2025-37178: Out-of-Bounds Read DoS Vulnerability

CVE-2025-37178 Overview

CVE-2025-37178 is an out-of-bounds read vulnerability affecting a system component responsible for handling data buffers. Due to insufficient validation of maximum buffer size values, the affected process may attempt to read beyond the intended memory region. Under specific conditions, this can result in a crash of the affected process and a potential denial-of-service condition.

Critical Impact

Attackers can remotely trigger a denial-of-service condition by exploiting insufficient buffer size validation, causing the affected process to crash.

Affected Products

• HPE system components (refer to HPE Security Advisory for specific product details)

Discovery Timeline

• 2026-01-13 - CVE-2025-37178 published to NVD
• 2026-01-13 - Last updated in NVD database

Technical Details for CVE-2025-37178

Vulnerability Analysis

This vulnerability is classified as CWE-125 (Out-of-Bounds Read), a memory safety issue that occurs when a program reads data past the end or before the beginning of an intended buffer. In CVE-2025-37178, the root cause lies in insufficient validation of buffer size parameters within a system component responsible for data buffer handling.

When an attacker provides specially crafted input that triggers the vulnerable code path, the application fails to properly validate the maximum buffer size before performing read operations. This allows the read operation to extend beyond the allocated memory region, potentially accessing adjacent memory contents.

The primary impact of this vulnerability is denial of service. When the out-of-bounds read accesses invalid memory addresses, the operating system's memory protection mechanisms will terminate the process, resulting in service disruption. While out-of-bounds read vulnerabilities can sometimes lead to information disclosure, the primary documented impact in this case is availability loss.

Root Cause

The vulnerability stems from improper input validation (CWE-125) where the affected component fails to adequately verify that buffer size values fall within expected boundaries before performing memory read operations. This allows attackers to specify buffer size values that exceed the actual allocated memory, causing the process to read beyond its intended memory boundaries.

Attack Vector

The vulnerability is exploitable remotely over the network without requiring authentication or user interaction. An attacker can send specially crafted network requests containing malformed buffer size values to the affected service. When the vulnerable component processes these requests, it attempts to read beyond the allocated buffer boundaries, triggering a crash and denial of service.

The attack requires network access to the vulnerable service but does not require any privileges or user interaction, making it relatively straightforward to exploit for denial-of-service purposes.

Detection Methods for CVE-2025-37178

Indicators of Compromise

• Unexpected service crashes or restarts in affected HPE system components
• Application logs showing memory access violations or segmentation faults
• Unusual network traffic patterns with malformed or oversized buffer requests targeting the affected service

Detection Strategies

• Monitor system logs for memory access violations, segmentation faults, or unexpected process terminations in affected components
• Implement network intrusion detection rules to identify anomalous buffer size values in requests to vulnerable services
• Deploy endpoint detection capabilities to identify exploitation attempts based on process crash patterns

Monitoring Recommendations

• Enable detailed logging for affected HPE system components to capture potential exploitation attempts
• Configure alerts for repeated service crashes or restarts that may indicate active exploitation
• Monitor network traffic for unusual patterns targeting the affected service ports

How to Mitigate CVE-2025-37178

Immediate Actions Required

• Review the HPE Security Advisory for specific patch information and affected product versions
• Apply vendor-provided security patches as soon as they become available
• Restrict network access to affected services to trusted networks only until patches can be applied

Patch Information

HPE has released a security advisory addressing this vulnerability. Organizations should consult the HPE Security Advisory for detailed patch information, affected product versions, and remediation guidance specific to their environment.

Workarounds

• Implement network segmentation to limit exposure of affected services to untrusted networks
• Deploy web application firewalls or network-based filtering to detect and block malformed requests with invalid buffer size values
• Consider temporarily disabling non-critical affected services until patches can be applied