CVE-2019-3912 : Vulnerability Insights and Analysis
Learn about CVE-2019-3912, an open redirect vulnerability in LabKey Server Community Edition before 18.3.0-61806.763, allowing remote attackers to redirect users to malicious sites. Find mitigation steps and prevention measures here.
LabKey Server Community Edition before version 18.3.0-61806.763 has an open redirect vulnerability that can be exploited by an unauthenticated remote attacker.
Understanding CVE-2019-3912
LabKey Server Community Edition is affected by an open redirect vulnerability that allows attackers to redirect users to malicious websites.
What is CVE-2019-3912?
This CVE refers to an open redirect vulnerability in LabKey Server Community Edition before version 18.3.0-61806.763, specifically in the returnURL parameter of the /__r1/ endpoint. Attackers can exploit this flaw to redirect users to any website of their choice.
The Impact of CVE-2019-3912
The vulnerability poses a risk of phishing attacks and potential exposure of users to malicious websites, impacting the integrity and security of the affected systems.
Technical Details of CVE-2019-3912
LabKey Server Community Edition is susceptible to an open redirect vulnerability.
Vulnerability Description
The vulnerability exists in the returnURL parameter of the /__r1/ endpoint, allowing unauthenticated remote attackers to redirect users to arbitrary websites.
Affected Systems and Versions
- Product: LabKey Server Community Edition
- Vendor: Tenable
- Versions Affected: Versions before 18.3.0-61806.763
Exploitation Mechanism
Attackers can exploit the vulnerability by manipulating the returnURL parameter to redirect users to malicious websites.
Mitigation and Prevention
It is crucial to take immediate steps to mitigate the risks associated with CVE-2019-3912.
Immediate Steps to Take
- Upgrade LabKey Server Community Edition to version 18.3.0-61806.763 or later to eliminate the vulnerability.
- Implement proper input validation to prevent malicious redirection.
Long-Term Security Practices
- Regularly monitor and update security patches for LabKey Server Community Edition.
- Educate users about phishing attacks and the importance of verifying URLs before clicking.
Patching and Updates
Ensure timely installation of security patches and updates to protect against known vulnerabilities.