CVE-2019-12746 Explained : Impact and Mitigation

A vulnerability in the Open Ticket Request System (OTRS) Community Edition could potentially lead to session ID exposure and user impersonation.

Understanding CVE-2019-12746

This CVE identifies a security flaw in OTRS versions 5.0.x through 5.0.36 and 6.0.x through 6.0.19, affecting agent users who share ticket article links.

What is CVE-2019-12746?

The vulnerability allows logged-in agents to inadvertently disclose their session ID when sharing ticket article links within OTRS, potentially enabling malicious actors to impersonate the agent.

The Impact of CVE-2019-12746

The exposure of session IDs could lead to unauthorized access and impersonation of agent users, compromising the security and integrity of the OTRS system.

Technical Details of CVE-2019-12746

This section provides more in-depth technical information about the vulnerability.

Vulnerability Description

The vulnerability in OTRS Community Edition versions 5.0.x through 5.0.36 and 6.0.x through 6.0.19 allows session ID exposure when agents share ticket article links.

Affected Systems and Versions

OTRS Community Edition versions 5.0.x through 5.0.36
OTRS Community Edition versions 6.0.x through 6.0.19

Exploitation Mechanism

Logged-in agents sharing ticket article links inadvertently expose their session ID.
Malicious actors could exploit the session ID to impersonate the agent user.

Mitigation and Prevention

Protecting systems from CVE-2019-12746 requires immediate actions and long-term security practices.

Immediate Steps to Take

Upgrade OTRS to a patched version that addresses the vulnerability.
Advise agents not to share ticket article links containing sensitive session information.

Long-Term Security Practices

Regularly update OTRS to the latest secure versions.
Educate users on safe sharing practices to prevent inadvertent exposure of sensitive information.

Patching and Updates

Apply security patches provided by OTRS to fix the vulnerability and enhance system security.