CVE-2023-43118 : Security Advisory and Response

A detailed overview of a Cross Site Request Forgery (CSRF) vulnerability in the Chalet application within Extreme Networks Switch Engine (EXOS) and its impacts.

Understanding CVE-2023-43118

This section will cover what CVE-2023-43118 entails and how it affects systems.

What is CVE-2023-43118?

CVE-2023-43118 is a Cross Site Request Forgery (CSRF) vulnerability found in the Chalet application in Extreme Networks Switch Engine (EXOS) versions before 32.5.1.5. This vulnerability has been addressed in versions 31.7.2 and 32.5.1.5. Attackers can exploit this vulnerability to run arbitrary code and cause other unspecified impacts through the /jsonrpc API.

The Impact of CVE-2023-43118

The impact of CVE-2023-43118 is severe as it allows attackers to execute arbitrary code and trigger various adverse effects through the /jsonrpc API. This can lead to unauthorized access, data theft, and system compromise.

Technical Details of CVE-2023-43118

Delve into the technical aspects of CVE-2023-43118 to understand its vulnerability, affected systems, and exploitation mechanism.

Vulnerability Description

The vulnerability in Chalet application in Extreme Networks Switch Engine (EXOS) versions before 32.5.1.5 allows for Cross Site Request Forgery (CSRF) attacks, enabling attackers to run arbitrary code through the /jsonrpc API.

Affected Systems and Versions

All versions of Extreme Networks Switch Engine (EXOS) before 32.5.1.5 are affected by this vulnerability. The issue has been fixed in versions 31.7.2 and 32.5.1.5.

Exploitation Mechanism

Attackers exploit this vulnerability by leveraging the insecure handling of requests in the /jsonrpc API, enabling them to perform CSRF attacks and execute arbitrary code on vulnerable systems.

Mitigation and Prevention

Learn how to mitigate the risks posed by CVE-2023-43118 and safeguard your systems against potential threats.

Immediate Steps to Take

Immediately update affected systems to versions 31.7.2 or 32.5.1.5 to address the CVE-2023-43118 vulnerability. Implement network security controls to prevent unauthorized access to the /jsonrpc API.

Long-Term Security Practices

Regularly update and patch systems to protect against known vulnerabilities. Conduct security audits and assessments to identify and address any security gaps.

Patching and Updates

Stay informed about security updates from Extreme Networks and apply patches promptly to ensure your systems are protected from emerging threats.