CVE-2023-0944 : Exploit Details and Defense Strategies

This CVE-2023-0944 was published on April 5, 2023, by Fluid Attacks. It pertains to a vulnerability found in Bhima version 1.27.0 that allows an authenticated attacker with regular user permissions to manipulate arbitrary user session data due to an IDOR vulnerability.

Understanding CVE-2023-0944

This section will delve into the details of CVE-2023-0944, explaining the nature of the vulnerability and its potential impact.

What is CVE-2023-0944?

CVE-2023-0944 involves a security flaw in Bhima version 1.27.0 that allows an authenticated attacker with regular user permissions to modify user session data like username, email, and password. This vulnerability arises from inadequate validation of user permissions related to specific user actions within the application.

The Impact of CVE-2023-0944

The impact of CVE-2023-0944 is significant as it enables unauthorized users to tamper with critical user session information, potentially leading to unauthorized access, data theft, or account compromise.

Technical Details of CVE-2023-0944

In this section, we will explore the technical aspects of CVE-2023-0944, including the vulnerability description, affected systems, and the exploitation mechanism.

Vulnerability Description

The vulnerability in Bhima version 1.27.0 stems from its susceptibility to Insecure Direct Object References (IDOR), allowing attackers to manipulate user session data without proper validation of user permissions.

Affected Systems and Versions

The affected system in this CVE is Bhima version 1.27.0. Users utilizing this specific version are at risk of exploitation by authenticated attackers with regular user permissions.

Exploitation Mechanism

Exploiting CVE-2023-0944 involves an authenticated attacker with regular user permissions taking advantage of the IDOR vulnerability to manipulate user session data like username, email, and password.

Mitigation and Prevention

To address CVE-2023-0944 and prevent potential exploits, immediate steps need to be taken alongside implementing long-term security practices and applying necessary patches and updates.

Immediate Steps to Take

Immediately restrict user access rights, review system permissions, and monitor user session activities to detect any unauthorized changes to user data.

Long-Term Security Practices

Incorporate strict validation mechanisms, implement least privilege access controls, conduct routine security audits, and provide ongoing security training to mitigate future vulnerabilities.

Patching and Updates

It is crucial to apply patches and updates released by Bhima to address the vulnerability in version 1.27.0. Regularly updating the software can help safeguard against known vulnerabilities and enhance overall system security.