CVE-2019-12737 : Vulnerability Insights and Analysis

In versions prior to 1.2.0-rc, JetBrains Ktor framework utilizes a hashing technique that incorporates a predictable salt to securely store user authentication information.

Understanding CVE-2019-12737

UserHashedTableAuth in JetBrains Ktor framework before 1.2.0-rc uses a One-Way Hash with a Predictable Salt for storing user credentials.

What is CVE-2019-12737?

CVE-2019-12737 is a vulnerability in JetBrains Ktor framework versions before 1.2.0-rc that exposes user authentication information due to the use of a predictable salt in the hashing technique.

The Impact of CVE-2019-12737

This vulnerability could lead to unauthorized access to user credentials, compromising the security and privacy of user accounts.

Technical Details of CVE-2019-12737

Vulnerability Description

JetBrains Ktor framework before version 1.2.0-rc uses a hashing technique with a predictable salt, making it susceptible to credential exposure.

Affected Systems and Versions

Product: JetBrains Ktor framework
Versions affected: Prior to 1.2.0-rc

Exploitation Mechanism

The vulnerability can be exploited by attackers to retrieve and misuse user authentication information due to the predictable nature of the salt used in the hashing process.

Mitigation and Prevention

Immediate Steps to Take

Upgrade to version 1.2.0-rc or later to mitigate the vulnerability.
Implement additional security measures such as multi-factor authentication.

Long-Term Security Practices

Regularly review and update security protocols to address potential vulnerabilities.
Educate users on best practices for creating strong and unique passwords.

Patching and Updates

Ensure timely installation of security patches and updates provided by JetBrains to address known vulnerabilities.