CVE-2019-5029 : Exploit Details and Defense Strategies

Exhibitor Web UI versions 1.0.9 to 1.7.1 are vulnerable to a command injection exploit that allows attackers to execute arbitrary commands with high severity.

Understanding CVE-2019-5029

The vulnerability in the Config editor of Exhibitor Web UI versions 1.0.9 to 1.7.1 enables command injection, posing a critical threat.

What is CVE-2019-5029?

The vulnerability allows attackers to insert shell commands within backticks or $() in the Config editor.
These commands are executed by the Exhibitor process during ZooKeeper launch.

The Impact of CVE-2019-5029

CVSS Score: 9.8 (Critical)
Attack Vector: Network
Confidentiality Impact: High
Integrity Impact: High
Availability Impact: High
Privileges Required: None
Scope: Unchanged
Vulnerability Type: CWE-78: OS Command Injection

Technical Details of CVE-2019-5029

The technical aspects of the vulnerability and its implications.

Vulnerability Description

Attackers can execute arbitrary commands through the Config editor of Exhibitor Web UI versions 1.0.9 to 1.7.1.

Affected Systems and Versions

Product: Exhibitor
Versions: 1.0.9 to 1.7.1
Compiled using the standalone pom.xml from the Exhibitor master branch

Exploitation Mechanism

Inserting shell commands within backticks or $() in the Config editor
Commands executed during the launch of ZooKeeper by the Exhibitor process

Mitigation and Prevention

Protective measures to mitigate the CVE-2019-5029 vulnerability.

Immediate Steps to Take

Update to a patched version of Exhibitor Web UI.
Implement input validation to prevent command injections.
Monitor and restrict user input within the Config editor.

Long-Term Security Practices

Regular security audits and code reviews.
Educate users on secure coding practices.
Employ network segmentation to limit the impact of potential breaches.

Patching and Updates

Apply security patches provided by the vendor.
Stay informed about security advisories and updates from Exhibitor.