CVE-2023-46248 : Security Advisory and Response

This article provides detailed information about CVE-2023-46248, a vulnerability related to the overwrite of builtin Cody commands, leading to Remote Code Execution in the Cody AI VSCode extension.

Understanding CVE-2023-46248

This section delves into the nature of the vulnerability and its potential impact.

What is CVE-2023-46248?

Cody AI VSCode extension versions 0.10.0 through 0.14.0 are susceptible to Remote Code Execution due to an overwrite of builtin Cody commands. An attacker controlling a malicious repository could exploit this by modifying the Cody configuration file.

The Impact of CVE-2023-46248

The vulnerability allows for arbitrary code execution when a user with the extension opens a malicious repository and runs a Cody command. It is rated as critical severity, requiring low exploitability but could lead to high confidentiality, integrity, and availability impact.

Technical Details of CVE-2023-46248

This section provides in-depth technical insights into the vulnerability.

Vulnerability Description

The issue arises from the ability of an attacker to overwrite Cody commands in the configuration file of the VSCode extension, leading to potential Remote Code Execution.

Affected Systems and Versions

The vulnerability affects Cody AI VSCode extension versions 0.10.0 through 0.14.0.

Exploitation Mechanism

An attacker needs to manipulate the

.vscode/cody.json

file in a malicious repository, requiring a user to execute the altered command in VS Code for code execution.

Mitigation and Prevention

This section outlines steps to mitigate the risk and prevent exploitation of the vulnerability.

Immediate Steps to Take

Users are advised not to open any untrusted repositories with the Cody extension loaded. It is crucial to update the extension to version 0.14.1 to address the vulnerability.

Long-Term Security Practices

Regularly update the Cody VSCode extension and exercise caution when accessing repositories with the extension enabled to prevent such vulnerabilities.

Patching and Updates

The vulnerability has been fixed in version 0.14.1 of the Cody VSCode extension, and users are recommended to upgrade promptly to secure their systems.