External risk intelligence

LG N1A1 NAS: Unauthenticated Remote Code Execution

CVE advisoryKnown Exploit

CVE-2018-14839

LG N1A1 NAS devices can allow remote command execution. An attacker can exploit this by sending crafted HTTP POST requests, potentially leading to unauthorized system control. Business risk includes unauthorized access and data manipulation.

4Halo Surface Signal

OS Command Injection

Lg N1a1 Firmware

3718.510

External exposure likelihood

Halo Surface Signal score for CVE-2018-14839

The affected product is a Network Attached Storage (NAS) device, which is commonly deployed as an internet-facing gateway or remote access service. The vulnerability is triggered via HTTP POST requests, which are the primary interface for managing and interacting with such devices over a network, making the attack surface frequently reachable in standard deployment scenarios.

Horizon Alert

Summary of the vulnerability and why it matters

LG N1A1 NAS devices with firmware version 3718.510 contain a vulnerability that can allow for remote command execution. This flaw could permit an attacker to run arbitrary code on the affected system. The potential impact on an organization could involve unauthorized access and control of the device.

  • Vulnerable LG N1A1 NAS devices
  • Flaw allows remote code execution
  • Business risk includes unauthorized system control

Attack Path

How an attacker could exploit the issue

This vulnerability allows an attacker to execute arbitrary code on an affected device through network communication. The attack leverages a weakness in how the device handles specific HTTP POST requests. By sending a specially crafted request, an attacker can bypass security measures and gain control over the system. This could lead to unauthorized access and manipulation of data stored on the device.

  • Network exposure required
  • Attacker sends POST request
  • Arbitrary code execution occurs

Live Threat

Current exploitation, exposure, and threat context

This vulnerability allows for remote command execution on LG N1A1 NAS devices. An attacker could exploit this by sending specially crafted HTTP POST requests. Successful exploitation could enable attackers to execute arbitrary code, potentially leading to unauthorized access and control of the affected systems. Organizations should consider this a high-priority issue due to the potential for severe business impact.

  • Likely attacker skill level: Low
  • Required access or conditions: Network access, no authentication
  • Business risk or urgency: High, potential for system compromise

Priority actions

Operational Fix

Recommended remediation, mitigation, and detection steps

This vulnerability allows for remote command execution via HTTP POST requests. An attacker can exploit this to execute arbitrary code on affected systems. Organizations should prioritize actions to identify and remediate systems that may be vulnerable to this critical risk.

  • Find LG N1A1 NAS devices.
  • Isolate exposed NAS devices.
  • Apply vendor fixes and monitor.

Frequently asked questions

What is the LG N1A1 NAS and its primary use?

The LG N1A1 NAS is a Network Attached Storage device. Its primary use is for storing and sharing files across a network, allowing multiple devices and users to access centralized data.

What type of vulnerability does CVE-2018-14839 represent?

CVE-2018-14839 describes a Remote Command Execution vulnerability. This weakness allows an attacker to execute commands on the affected device remotely.

How can an attacker exploit the LG N1A1 NAS vulnerability?

An attacker can exploit this by sending a specially crafted HTTP POST request to the LG N1A1 NAS device. This allows for the execution of arbitrary code on the system.

What is the significance of CVE-2018-14839 for Network Attached Storage devices?

CVE-2018-14839 is critical for NAS devices like the LG N1A1 because it permits unauthenticated remote command execution over HTTP POST requests. This means an attacker could potentially gain full control of the device and any data it stores without needing any prior access or credentials.

What steps should an organization take to address the LG N1A1 NAS vulnerability?

Organizations should first identify any LG N1A1 NAS devices within their environment. It is advisable to isolate any devices that are exposed to the network. Applying vendor-provided fixes and continuous monitoring are crucial remediation steps.

References