CVE-2023-47643 : Security Advisory and Response

SuiteCRM has Unauthenticated Graphql Introspection Enabled

Understanding CVE-2023-47643

SuiteCRM is a Customer Relationship Management (CRM) software application. Prior to version 8.4.2, Graphql Introspection is enabled without authentication, exposing the scheme defining all object types, arguments, and functions. An attacker can obtain the GraphQL schema and understand the entire attack surface of the API, including sensitive fields such as UserHash. This issue is patched in version 8.4.2. There are no known workarounds.

What is CVE-2023-47643?

CVE-2023-47643 is a vulnerability in SuiteCRM-Core that allows unauthenticated access to Graphql Introspection, leading to exposure of sensitive information to unauthorized actors.

The Impact of CVE-2023-47643

The impact of CVE-2023-47643 is considered low severity with a CVSSv3 base score of 3.1 due to exposure of sensitive information without authentication. Attack complexity is high, but availability impact is none.

Technical Details of CVE-2023-47643

Vulnerability Description

The vulnerability in SuiteCRM-Core exposes sensitive information without authentication by allowing unauthenticated access to Graphql Introspection prior to version 8.4.2.

Affected Systems and Versions

Vendor: salesagility
Product: SuiteCRM-Core
Vulnerable Versions: < 8.4.2

Exploitation Mechanism

By exploiting the unauthenticated access to Graphql Introspection, attackers can obtain the GraphQL schema and sensitive information such as UserHash, understanding the API attack surface.

Mitigation and Prevention

Immediate Steps to Take

To mitigate the vulnerability, users are advised to update SuiteCRM-Core to version 8.4.2 or newer where Graphql Introspection is properly authenticated. Additionally, disabling Graphql Introspection in production environments is recommended.

Long-Term Security Practices

Regularly updating software and implementing proper authentication mechanisms for sensitive functionalities can enhance the overall security posture.

Patching and Updates

For users of SuiteCRM-Core, it is crucial to stay updated with vendor patches and security advisories to address vulnerabilities promptly.