CVE-2019-9753 : Security Advisory and Response

A vulnerability has been identified in Open Ticket Request System (OTRS) version 7.x prior to 7.0.5, allowing attackers to reveal information from unauthorized system entities.

Understanding CVE-2019-9753

This CVE involves exploiting search result screens in OTRS to access data from invalid system entities.

What is CVE-2019-9753?

Vulnerability in OTRS version 7.x before 7.0.5
Attackers can disclose information from unauthorized system entities
Affected entities include Custom Pages, FAQ Articles, Service Catalogue Items, and ITSM Configuration Items

The Impact of CVE-2019-9753

CVSS Base Score: 3.5 (Low)
Attack Complexity: Low
Attack Vector: Network
User Interaction: Required
Confidentiality Impact: Low
Integrity Impact: None
Privileges Required: Low
No availability impact

Technical Details of CVE-2019-9753

This section provides detailed technical information about the vulnerability.

Vulnerability Description

Attacker can exploit search result screens in OTRS to access unauthorized system entities

Affected Systems and Versions

OTRS version 7.x before 7.0.5

Exploitation Mechanism

Attacker needs to be logged into OTRS as an agent or a customer user
Utilizes search result screens to reveal information from invalid system entities

Mitigation and Prevention

Protecting systems from CVE-2019-9753 requires immediate actions and long-term security practices.

Immediate Steps to Take

Update OTRS to version 7.0.5 or later
Monitor system logs for any suspicious activities
Educate users on security best practices

Long-Term Security Practices

Regularly audit and review system access controls
Implement least privilege principles for user permissions
Conduct security training for employees

Patching and Updates

Apply security patches and updates promptly
Stay informed about security advisories and best practices