CVE-2023-23835 : What You Need to Know

This CVE concerns a vulnerability identified in Mendix Applications using various versions that allow attackers to bypass XPath constraints and retrieve information using XPath queries, triggering errors.

Understanding CVE-2023-23835

This section delves into the details of CVE-2023-23835, its impact, technical specifics, and mitigation strategies.

What is CVE-2023-23835?

CVE-2023-23835 is a vulnerability found in Mendix Applications utilizing specific versions that permit attackers to bypass XPath constraints. In doing so, attackers can extract information through XPath queries that result in errors.

The Impact of CVE-2023-23835

The vulnerability in Mendix Applications can have medium severity consequences with a CVSSv3.1 base score of 5.9. It falls under CWE-284: Improper Access Control, potentially leading to unauthorized access and retrieval of sensitive information.

Technical Details of CVE-2023-23835

This section provides further technical insights into the vulnerability, including its description, affected systems and versions, and exploitation mechanism.

Vulnerability Description

The vulnerability allows attackers to circumvent XPath constraints within Mendix Applications, enabling them to extract information using specific queries that trigger errors, potentially compromising data confidentiality.

Affected Systems and Versions

The affected systems include Mendix Applications using Mendix 7 (All versions < V7.23.34), Mendix Applications using Mendix 8 (All versions < V8.18.23), and Mendix Applications using Mendix 9 (All versions < V9.22.0), among others. Each version range specified is vulnerable to this exploit.

Exploitation Mechanism

Attackers can exploit this vulnerability by leveraging certain runtime API functionalities within the affected versions of Mendix Applications. By bypassing XPath constraints, they can execute queries to retrieve data that should be restricted.

Mitigation and Prevention

To address CVE-2023-23835, immediate steps should be taken to secure affected systems and implement long-term security practices.

Immediate Steps to Take

Organizations should update Mendix Applications to versions beyond the specified vulnerable ranges to mitigate the risk of exploitation.
Monitoring for any suspicious activities or unauthorized access attempts can help detect potential attacks leveraging this vulnerability.

Long-Term Security Practices

Implementing access controls, regularly patching systems, conducting security audits, and providing security awareness training to users can enhance overall security posture and reduce the likelihood of similar vulnerabilities being exploited.

Patching and Updates

Regularly applying patches and updates for Mendix Applications is crucial to prevent potential security vulnerabilities. Keeping systems up to date with the latest releases can help mitigate risks associated with known vulnerabilities.