CVE-2017-16854 : Exploit Details and Defense Strategies

A vulnerability in Open Ticket Request System (OTRS) versions 3.3.20, 4.0.26, 5.0.24, and 6.0.1 allows attackers with customer-level access to exploit the ticket search feature.

Understanding CVE-2017-16854

This CVE identifies a security flaw in OTRS that could lead to unauthorized access to internal article details of customer tickets.

What is CVE-2017-16854?

The vulnerability in OTRS versions 3.3.20 to 6.0.1 enables attackers with customer-level access to exploit the ticket search function, potentially revealing sensitive information.

The Impact of CVE-2017-16854

Attackers can access and disclose internal article details of their own tickets, compromising the confidentiality of ticket information.

Technical Details of CVE-2017-16854

This section provides technical insights into the vulnerability.

Vulnerability Description

The flaw in OTRS allows logged-in customers to use the ticket search form to reveal internal article information of their tickets.

Affected Systems and Versions

OTRS versions 3.3.20 to 6.0.1

Exploitation Mechanism

Attackers with customer-level access exploit the ticket search feature to access and disclose internal article details.

Mitigation and Prevention

Protect your systems from CVE-2017-16854 with these strategies.

Immediate Steps to Take

Upgrade OTRS to a patched version that addresses the vulnerability.
Monitor and restrict customer-level access to sensitive ticket information.

Long-Term Security Practices

Regularly review and update access control policies within OTRS.
Educate users on secure practices to prevent unauthorized access.

Patching and Updates

Apply security patches provided by OTRS to fix the vulnerability.