CVE-2019-9751 Explained : Impact and Mitigation

A vulnerability has been found in versions 6.x (prior to 6.0.17) and 7.x (prior to 7.0.5) of the Open Ticket Request System (OTRS) that allows an attacker with admin user privileges to execute JavaScript within the OTRS context by manipulating the URL.

Understanding CVE-2019-9751

This CVE identifies a security flaw in OTRS versions 6.x and 7.x that could be exploited by an attacker with admin user access.

What is CVE-2019-9751?

An issue in OTRS versions 6.x before 6.0.17 and 7.x before 7.0.5 allows an attacker logged in as an admin user to manipulate the URL, leading to the execution of JavaScript within the OTRS context.

The Impact of CVE-2019-9751

The vulnerability enables unauthorized execution of JavaScript by an attacker with admin user privileges, potentially compromising the integrity and security of the OTRS system.

Technical Details of CVE-2019-9751

This section provides detailed technical information about the CVE.

Vulnerability Description

The specific component affected by this vulnerability is Kernel/Output/Template/Document.pm in OTRS versions 6.x and 7.x.

Affected Systems and Versions

Versions 6.x (prior to 6.0.17) and 7.x (prior to 7.0.5) of OTRS

Exploitation Mechanism

Attacker with admin user privileges manipulates the URL to trigger JavaScript execution within OTRS

Mitigation and Prevention

Protect your systems from CVE-2019-9751 with these mitigation strategies.

Immediate Steps to Take

Upgrade OTRS to version 6.0.17 or 7.0.5 to patch the vulnerability
Monitor and restrict admin user privileges to minimize the risk of exploitation

Long-Term Security Practices

Regularly update OTRS and apply security patches promptly
Conduct security training for users to raise awareness about URL manipulation risks

Patching and Updates

Stay informed about security advisories and updates from OTRS to address vulnerabilities promptly