CVE-2018-19361 Explained : Impact and Mitigation

FasterXML jackson-databind version 2.x prior to 2.9.8 has a vulnerability allowing attackers to exploit the failure to prevent polymorphic deserialization in the openjpa class.

Understanding CVE-2018-19361

This CVE involves a security vulnerability in FasterXML jackson-databind version 2.x before 2.9.8.

What is CVE-2018-19361?

FasterXML jackson-databind 2.x before 2.9.8 might allow attackers to have unspecified impact by leveraging failure to block the openjpa class from polymorphic deserialization.

The Impact of CVE-2018-19361

The vulnerability could lead to undisclosed consequences due to the exploitation of the openjpa class for polymorphic deserialization.

Technical Details of CVE-2018-19361

This section provides more technical insights into the CVE.

Vulnerability Description

The vulnerability in FasterXML jackson-databind version 2.x before 2.9.8 allows attackers to exploit the openjpa class for polymorphic deserialization.

Affected Systems and Versions

Product: n/a
Vendor: n/a
Versions affected: 2.x prior to 2.9.8

Exploitation Mechanism

Attackers can exploit the vulnerability by leveraging the failure to prevent polymorphic deserialization in the openjpa class.

Mitigation and Prevention

To address CVE-2018-19361, follow these mitigation strategies:

Immediate Steps to Take

Update FasterXML jackson-databind to version 2.9.8 or later.
Monitor for any suspicious activities on the affected systems.

Long-Term Security Practices

Regularly update software and libraries to the latest versions.
Implement strict input validation to prevent malicious inputs.
Conduct security audits and penetration testing regularly.

Patching and Updates

Ensure timely application of security patches and updates to all relevant systems and software.