CVE-2019-19351 Explained : Impact and Mitigation

A security flaw has been discovered in the /etc/passwd file, specifically in the openshift/jenkins container. This CVE affects Openshift versions 4 and 3.11.

Understanding CVE-2019-19351

This CVE involves a vulnerability in the openshift/jenkins container that could allow an attacker to gain higher privileges by altering the /etc/passwd file.

What is CVE-2019-19351?

The CVE-2019-19351 vulnerability is found in the openshift/jenkins container, potentially enabling attackers to exploit the /etc/passwd file to elevate their privileges.

The Impact of CVE-2019-19351

The impact of this CVE is rated as HIGH, with a CVSS v3.1 base score of 7. It has a high impact on confidentiality, integrity, and availability, with a low level of privileges required for exploitation.

Technical Details of CVE-2019-19351

This section provides technical details about the vulnerability.

Vulnerability Description

A security flaw in the /etc/passwd file within the openshift/jenkins container allows attackers to modify the file and potentially escalate their privileges.

Affected Systems and Versions

Product: Openshift
Vendor: Red Hat
Affected Versions: Openshift 4 and 3.11

Exploitation Mechanism

The vulnerability can be exploited by gaining access to the openshift/jenkins container and manipulating the /etc/passwd file to gain higher privileges.

Mitigation and Prevention

Protect your systems from CVE-2019-19351 with these mitigation strategies.

Immediate Steps to Take

Monitor container access and restrict unauthorized entry.
Regularly update and patch Openshift versions to address security vulnerabilities.

Long-Term Security Practices

Implement strong container security measures to prevent unauthorized access.
Conduct regular security audits and assessments to identify and address vulnerabilities.

Patching and Updates

Apply security patches provided by Red Hat for Openshift to fix the CVE-2019-19351 vulnerability.