CVE-2019-9892 : Vulnerability Insights and Analysis

A vulnerability has been found in versions 5.x to 5.0.34, 6.x to 6.0.17, and 7.x to 7.0.6 of Open Ticket Request System (OTRS) that allows an attacker to read arbitrary files on the OTRS filesystem.

Understanding CVE-2019-9892

This CVE identifies a security flaw in OTRS versions 5.x to 5.0.34, 6.x to 6.0.17, and 7.x to 7.0.6, potentially enabling unauthorized access to sensitive files.

What is CVE-2019-9892?

An issue in OTRS versions 5.x through 5.0.34, 6.x through 6.0.17, and 7.x through 7.0.6 allows an attacker with specific permissions to exploit the system by importing a specially crafted Report Statistics XML.

The Impact of CVE-2019-9892

The vulnerability permits an attacker logged into OTRS as an agent user to read arbitrary files on the OTRS filesystem, potentially exposing sensitive information.

Technical Details of CVE-2019-9892

This section delves into the technical aspects of the CVE.

Vulnerability Description

The flaw in OTRS versions 5.x to 5.0.34, 6.x to 6.0.17, and 7.x to 7.0.6 allows an attacker to read arbitrary files on the OTRS filesystem by importing a specially crafted Report Statistics XML.

Affected Systems and Versions

Open Ticket Request System (OTRS) versions 5.x to 5.0.34
Open Ticket Request System (OTRS) versions 6.x to 6.0.17
Open Ticket Request System (OTRS) versions 7.x to 7.0.6

Exploitation Mechanism

Attacker must be logged into OTRS as an agent user with the necessary permissions
Import a specially crafted Report Statistics XML to exploit the vulnerability

Mitigation and Prevention

Protect your system from CVE-2019-9892 with these mitigation strategies.

Immediate Steps to Take

Update OTRS to the latest patched version
Restrict access permissions for agent users
Monitor system logs for suspicious activities

Long-Term Security Practices

Regularly audit and review system permissions
Conduct security training for OTRS users to prevent social engineering attacks

Patching and Updates

Apply security patches provided by OTRS promptly to address vulnerabilities