CVE-2022-39327 : Vulnerability Insights and Analysis

Azure CLI is the command-line interface for Microsoft Azure, and prior to version 2.40.0, it contained a vulnerability for potential code injection. This article provides detailed insights into CVE-2022-39327.

Understanding CVE-2022-39327

Azure CLI vulnerability allows for code injection in specific scenarios, impacting Windows machines running PowerShell with vulnerable parameter values.

What is CVE-2022-39327?

The CVE-2022-39327 vulnerability exists in Azure CLI versions prior to 2.40.0, enabling code injection when specific conditions are met during command execution.

The Impact of CVE-2022-39327

The vulnerability can lead to code injection in critical scenarios where Azure CLI commands on Windows machines are run with external parameter values.

Technical Details of CVE-2022-39327

This section covers essential technical details of the CVE-2022-39327 vulnerability.

Vulnerability Description

CVE-2022-39327 involves improper control of code generation, allowing malicious actors to inject code through Azure CLI commands.

Affected Systems and Versions

Only versions of Azure CLI below 2.40.0 are affected by this vulnerability, specifically on Windows machines running PowerShell.

Exploitation Mechanism

To exploit CVE-2022-39327, attackers provide malicious parameter values containing certain symbols such as

&

or

|

in Azure CLI commands.

Mitigation and Prevention

To mitigate the risks associated with CVE-2022-39327, users need to take immediate actions and adopt long-term security practices.

Immediate Steps to Take

Upgrade Azure CLI to version 2.40.0 or above to receive mitigation for the code injection vulnerability.

Long-Term Security Practices

Avoid running Azure CLI commands with parameter values from untrusted sources to prevent code injection risks.

Patching and Updates

Regularly update Azure CLI to the latest versions to ensure protection against known vulnerabilities.