CVE-2022-27279 : Exploit Details and Defense Strategies

InHand Networks InRouter 900 Industrial 4G Router before v1.0.0.r11700 contains a vulnerability that allows arbitrary file read via the function sub_177E0.

Understanding CVE-2022-27279

This CVE refers to a security flaw found in the InHand Networks InRouter 900 Industrial 4G Router, which permits unauthorized access to read arbitrary files through a specific function.

What is CVE-2022-27279?

The CVE-2022-27279 vulnerability is present in versions of the InHand Networks InRouter 900 Industrial 4G Router before v1.0.0.r11700. It enables attackers to read files they should not have access to using the function sub_177E0.

The Impact of CVE-2022-27279

Exploiting this vulnerability could lead to unauthorized disclosure of sensitive information, compromising the confidentiality and integrity of data stored on the affected device.

Technical Details of CVE-2022-27279

This section delves into the specifics of the vulnerability, including its description, affected systems, and the exploitation mechanism.

Vulnerability Description

The vulnerability in the InHand Networks InRouter 900 Industrial 4G Router allows threat actors to bypass restrictions and read arbitrary files using the function sub_177E0, potentially exposing critical data.

Affected Systems and Versions

InRouter 900 Industrial 4G Router versions prior to v1.0.0.r11700 are vulnerable to this security issue, putting devices with these versions at risk.

Exploitation Mechanism

By leveraging the flaw in the sub_177E0 function, attackers can craft malicious requests to access and read files on the InRouter 900 Industrial 4G Router, circumventing intended access controls.

Mitigation and Prevention

Protecting systems from CVE-2022-27279 involves taking immediate actions to secure the vulnerable device and implementing long-term security practices.

Immediate Steps to Take

Owners of the InHand Networks InRouter 900 Industrial 4G Router should apply security patches provided by the vendor, restrict network access to the device, and monitor for any unauthorized file access attempts.

Long-Term Security Practices

Incorporating robust access control mechanisms, performing regular security audits, and staying informed about potential vulnerabilities in the network infrastructure are essential for safeguarding against similar threats.

Patching and Updates

Staying updated with the latest firmware releases and security advisories from InHand Networks is crucial to address known vulnerabilities and enhance the overall security posture of the device.