CVE-2019-9752 : Vulnerability Insights and Analysis

A vulnerability has been found in versions 5.x, 6.x, and 7.x of the Open Ticket Request System (OTRS) prior to versions 5.0.34, 6.0.16, and 7.0.4. An attacker with agent or customer user access can exploit this flaw by uploading a manipulated resource, potentially leading to JavaScript execution within the OTRS environment.

Understanding CVE-2019-9752

This CVE identifies a security vulnerability in OTRS versions 5.x, 6.x, and 7.x that could allow an attacker to execute JavaScript by uploading a manipulated resource.

What is CVE-2019-9752?

This CVE pertains to a flaw in the handling of the Content-type in the "PictureUpload.pm" module of the OTRS Kernel/Modules, allowing for potential JavaScript execution by an attacker with user access.

The Impact of CVE-2019-9752

The vulnerability could be exploited by an attacker with agent or customer user access to OTRS, leading to the execution of JavaScript within the OTRS environment.

Technical Details of CVE-2019-9752

This section provides more technical insights into the vulnerability.

Vulnerability Description

The flaw in OTRS versions 5.x, 6.x, and 7.x allows an attacker to upload a manipulated resource, triggering JavaScript execution within the OTRS environment.

Affected Systems and Versions

Versions 5.x, 6.x, and 7.x of the Open Ticket Request System (OTRS) before versions 5.0.34, 6.0.16, and 7.0.4

Exploitation Mechanism

Attackers with agent or customer user access can exploit the mishandling of Content-type in the "PictureUpload.pm" module to execute JavaScript in the OTRS environment.

Mitigation and Prevention

Protecting systems from CVE-2019-9752 requires immediate actions and long-term security practices.

Immediate Steps to Take

Upgrade OTRS to versions 5.0.34, 6.0.16, or 7.0.4 to mitigate the vulnerability.
Monitor and restrict user access to minimize the risk of exploitation.

Long-Term Security Practices

Regularly update and patch OTRS to address security vulnerabilities.
Educate users on safe practices to prevent unauthorized access and exploitation.

Patching and Updates

Apply security updates provided by OTRS to ensure the latest patches are in place.