CVE-2020-11002 : Vulnerability Insights and Analysis

Dropwizard-validation versions before 2.0.3 and 1.3.21 are affected by a remote code execution vulnerability due to a server-side template injection. Attackers can exploit this to inject arbitrary Java EL expressions, leading to RCE. Upgrading to Dropwizard 1.3.21/2.0.3 or later is strongly recommended.

Understanding CVE-2020-11002

This CVE involves a critical RCE vulnerability in dropwizard-validation.

What is CVE-2020-11002?

The vulnerability in dropwizard-validation allows attackers to execute remote code by injecting malicious Java EL expressions through a server-side template injection.

The Impact of CVE-2020-11002

The vulnerability has a high severity level with a CVSS base score of 8, affecting confidentiality, integrity, and availability of systems. It requires low privileges but user interaction is necessary for exploitation.

Technical Details of CVE-2020-11002

Dropwizard-validation's vulnerability details.

Vulnerability Description

Identified in versions < 1.3.21 and >= 2.0.0, < 2.0.3
Server-side template injection enables Java EL expression injection

Affected Systems and Versions

Product: dropwizard
Versions: < 1.3.21, >= 2.0.0, < 2.0.3

Exploitation Mechanism

Attack Complexity: High
Attack Vector: Network
Privileges Required: Low
Scope: Changed
User Interaction: Required

Mitigation and Prevention

Protecting systems from CVE-2020-11002.

Immediate Steps to Take

Upgrade to Dropwizard 1.3.21/2.0.3 or later
Apply security patches promptly

Long-Term Security Practices

Regularly monitor for security advisories
Implement secure coding practices

Patching and Updates

Ensure all systems are updated with the latest security patches