CVE-2023-37261 Explained : Impact and Mitigation

OpenComputers's SSRF to cloud service metadata services and local IPv6 addresses not blocked by default.

Understanding CVE-2023-37261

OpenComputers is a Minecraft mod that introduces programmable computers and robots to the game. This CVE addresses a Server-Side Request Forgery (SSRF) vulnerability.

What is CVE-2023-37261?

The vulnerability in OpenComputers allows unauthenticated users to access sensitive information via metadata services and local IPv6 addresses, posing a significant security risk.

The Impact of CVE-2023-37261

This critical vulnerability can lead to unauthorized privilege escalation, exposing sensitive data and potentially compromising the hosting provider's infrastructure.

Technical Details of CVE-2023-37261

This section provides insights into the vulnerability, affected systems, and exploitation mechanism.

Vulnerability Description

OpenComputers versions from 1.2.0 to 1.8.3 are affected, allowing players with the Internet Card feature to access unprotected metadata services and local IPv6 addresses.

Affected Systems and Versions

Vendor: MightyPirates
Product: OpenComputers
Affected Versions: >= 1.2.0, < 1.8.3

Exploitation Mechanism

By leveraging the SSRF vulnerability, attackers can extract sensitive information from metadata services and navigate the IPv6 network, potentially compromising server security.

Mitigation and Prevention

Protecting against CVE-2023-37261 involves immediate actions and long-term security practices.

Immediate Steps to Take

Update to OpenComputers version 1.8.3 for Minecraft 1.7.10 and 1.12.2, which includes a patch for this vulnerability.
Disable the Internet Card feature or utilize whitelist/blacklist configurations to restrict access.

Long-Term Security Practices

Regularly monitor and apply software updates to ensure system security.
Implement network segmentation to limit access and protect critical data.
Educate users on safe computing practices to prevent potential exploits.

Patching and Updates

Stay informed about security advisories and apply patches promptly to defend against emerging threats.