CVE-2019-5946 Explained : Impact and Mitigation

Cybozu Garoon versions 4.2.4 to 4.10.1 are affected by an open redirect vulnerability that allows remote attackers to conduct phishing attacks.

Understanding CVE-2019-5946

Cybozu Garoon versions 4.2.4 to 4.10.1 have a security flaw that can be exploited by attackers to redirect users to malicious websites.

What is CVE-2019-5946?

The vulnerability in Cybozu Garoon versions 4.2.4 to 4.10.1 enables remote attackers to redirect users to any desired websites, potentially leading to phishing attacks through the Login Screen.

The Impact of CVE-2019-5946

This vulnerability poses a significant risk as attackers can manipulate user redirection, potentially leading to phishing attacks and unauthorized access to sensitive information.

Technical Details of CVE-2019-5946

Cybozu Garoon versions 4.2.4 to 4.10.1 are susceptible to an open redirect vulnerability.

Vulnerability Description

The open redirect vulnerability in Cybozu Garoon versions 4.2.4 to 4.10.1 allows remote attackers to redirect users to arbitrary websites, facilitating phishing attacks.

Affected Systems and Versions

Product: Cybozu Garoon
Vendor: Cybozu, Inc.
Versions Affected: 4.2.4 to 4.10.1

Exploitation Mechanism

Attackers exploit the Login Screen of Cybozu Garoon versions 4.2.4 to 4.10.1 to redirect users to malicious websites, enabling phishing attacks.

Mitigation and Prevention

Immediate Steps to Take:

Update Cybozu Garoon to the latest version to patch the vulnerability.
Educate users about phishing techniques and encourage vigilance when entering credentials. Long-Term Security Practices:
Regularly monitor and audit user redirection behavior within the application.
Implement multi-factor authentication to enhance security measures.
Conduct security assessments and penetration testing to identify and address vulnerabilities.
Patching and Updates: Regularly check for security updates and patches released by Cybozu, Inc. to address known vulnerabilities.