CVE-2018-12022 : Vulnerability Insights and Analysis

A vulnerability has been found in FasterXML jackson-databind versions earlier than 2.7.9.4, 2.8.11.2, and 2.9.6 that could allow an attacker to execute a harmful payload.

Understanding CVE-2018-12022

This CVE involves a security issue in FasterXML jackson-databind that could lead to unauthorized access and execution of malicious code.

What is CVE-2018-12022?

CVE-2018-12022 is a vulnerability in FasterXML jackson-databind versions prior to 2.7.9.4, 2.8.11.2, and 2.9.6. It allows attackers to exploit the Default Typing feature when the Jodd-db jar is present in the classpath, potentially leading to unauthorized access and execution of harmful payloads.

The Impact of CVE-2018-12022

The vulnerability can be exploited by offering an LDAP service to gain unauthorized access and execute a harmful payload, posing a significant security risk to affected systems.

Technical Details of CVE-2018-12022

This section provides detailed technical information about the CVE.

Vulnerability Description

The vulnerability in FasterXML jackson-databind versions earlier than 2.7.9.4, 2.8.11.2, and 2.9.6 allows attackers to execute malicious payloads by leveraging the Default Typing feature and the presence of the Jodd-db jar in the classpath.

Affected Systems and Versions

FasterXML jackson-databind versions prior to 2.7.9.4, 2.8.11.2, and 2.9.6

Exploitation Mechanism

Attackers can exploit the vulnerability by providing an LDAP service to gain unauthorized access and execute harmful payloads.

Mitigation and Prevention

Protect your systems from CVE-2018-12022 with the following measures:

Immediate Steps to Take

Update FasterXML jackson-databind to versions 2.7.9.4, 2.8.11.2, or 2.9.6 to mitigate the vulnerability.
Disable Default Typing if not required to reduce the attack surface.

Long-Term Security Practices

Regularly monitor for security advisories and updates related to FasterXML jackson-databind.
Implement strict access controls and network segmentation to limit the impact of potential attacks.

Patching and Updates

Apply security patches and updates provided by FasterXML to address the vulnerability effectively.