CVE-2019-14540 : What You Need to Know

A problem with Polymorphic Typing has been identified in the version of FasterXML jackson-databind prior to 2.9.10. This issue pertains to the com.zaxxer.hikari.HikariConfig module.

Understanding CVE-2019-14540

This CVE involves a vulnerability in FasterXML jackson-databind that can impact systems using the com.zaxxer.hikari.HikariConfig module.

What is CVE-2019-14540?

CVE-2019-14540 is a Polymorphic Typing issue discovered in FasterXML jackson-databind before version 2.9.10, specifically related to com.zaxxer.hikari.HikariConfig.

The Impact of CVE-2019-14540

The vulnerability could allow attackers to execute arbitrary code or cause a denial of service (DoS) on systems using the affected module.

Technical Details of CVE-2019-14540

This section provides more in-depth technical information about the CVE.

Vulnerability Description

The issue stems from improper handling of certain types during the deserialization process in FasterXML jackson-databind.

Affected Systems and Versions

Product: Not applicable
Vendor: Not applicable
Versions: All versions prior to 2.9.10 are affected.

Exploitation Mechanism

Attackers can exploit this vulnerability by crafting malicious input to trigger the deserialization process, leading to potential code execution or DoS.

Mitigation and Prevention

Protecting systems from CVE-2019-14540 requires immediate actions and long-term security practices.

Immediate Steps to Take

Update FasterXML jackson-databind to version 2.9.10 or later to mitigate the vulnerability.
Monitor for any unusual activities on systems that could indicate exploitation.

Long-Term Security Practices

Regularly update software and libraries to the latest secure versions.
Implement input validation and secure coding practices to prevent similar vulnerabilities.

Patching and Updates

Stay informed about security advisories and patches related to FasterXML jackson-databind to address any future vulnerabilities.