CVE-2021-35970 : What You Need to Know

Talk 4 in Coral before 4.12.1 allows remote attackers to discover e-mail addresses and other sensitive information via GraphQL due to incorrect data type permission checks.

Understanding CVE-2021-35970

This CVE identifies a vulnerability in Talk 4 in Coral before version 4.12.1 that exposes sensitive information to remote attackers via GraphQL.

What is CVE-2021-35970?

The CVE-2021-35970 vulnerability in Coral's Talk 4 version prior to 4.12.1 allows attackers to exploit GraphQL to access confidential data such as e-mail addresses.

The Impact of CVE-2021-35970

This vulnerability enables unauthorized users to obtain sensitive user information, posing privacy risks and potential data breaches for affected systems.

Technical Details of CVE-2021-35970

This section outlines the specific technical details of CVE-2021-35970.

Vulnerability Description

The vulnerability arises from the incorrect data type used in permission checks, allowing attackers to bypass security measures and access confidential data.

Affected Systems and Versions

The affected version is Talk 4 in Coral before version 4.12.1, making systems with prior versions vulnerable to this exploit.

Exploitation Mechanism

Attackers can leverage GraphQL to query the system and extract sensitive information due to the flaw in permission checks.

Mitigation and Prevention

Protect your systems from CVE-2021-35970 by implementing the following security measures.

Immediate Steps to Take

Immediately update to version 4.12.1 of Coral's Talk to mitigate the vulnerability and prevent unauthorized access to sensitive information.

Long-Term Security Practices

Regularly monitor and audit GraphQL queries and ensure that proper data type validation is in place to prevent similar vulnerabilities in the future.

Patching and Updates

Stay informed about security patches and updates released by Coral Project to address vulnerabilities and enhance system security.