CVE-2019-11781 Explained : Impact and Mitigation

A vulnerability in the portal component of Odoo Community and Odoo Enterprise versions prior to 12.0 allows remote attackers to manipulate user accounts through malicious links, potentially leading to privilege escalation.

Understanding CVE-2019-11781

This CVE involves improper input validation in the portal component of Odoo Community and Odoo Enterprise, posing a risk of privilege escalation through crafted links.

What is CVE-2019-11781?

The vulnerability in versions before Odoo Community 12.0 and Odoo Enterprise 12.0 allows attackers to deceive users into modifying their accounts using malicious links, potentially leading to privilege escalation.

The Impact of CVE-2019-11781

CVSS Base Score: 6.5 (Medium Severity)
Attack Vector: Network
Integrity Impact: High
User Interaction: Required
Scope: Unchanged
This vulnerability does not require user privileges and can be exploited remotely, impacting the integrity of the system.

Technical Details of CVE-2019-11781

This section provides detailed technical information about the vulnerability.

Vulnerability Description

The portal component in versions prior to Odoo Community 12.0 and Odoo Enterprise 12.0 lacks proper input validation, allowing remote attackers to manipulate user accounts through deceptive links.

Affected Systems and Versions

Affected Products: Odoo Community, Odoo Enterprise
Versions: Prior to 12.0
Version Type: Custom

Exploitation Mechanism

Attackers can exploit this vulnerability by tricking users into clicking on malicious links, enabling them to modify their accounts and potentially escalate privileges.

Mitigation and Prevention

To address CVE-2019-11781, follow these mitigation strategies:

Immediate Steps to Take

Update Odoo Community and Odoo Enterprise to version 12.0 or higher.
Educate users about the risks of clicking on unverified links.

Long-Term Security Practices

Implement regular security training for users to recognize phishing attempts.
Monitor and analyze user activities for any suspicious behavior.

Patching and Updates

Apply security patches provided by Odoo promptly to address this vulnerability.