CVE-2018-14733 : Security Advisory and Response

Odoo Community Association (OCA) dbfilter_from_header module in Odoo versions 8.x to 11.x is susceptible to ReDoS (regular expression denial of service).

Understanding CVE-2018-14733

The vulnerability in the dbfilter_from_header module can lead to denial of service attacks under specific conditions.

What is CVE-2018-14733?

The Odoo Community Association (OCA) dbfilter_from_header module exposes versions 8.x to 11.x of Odoo to ReDoS attacks.

The Impact of CVE-2018-14733

The vulnerability can result in denial of service attacks on affected Odoo versions, potentially disrupting services and causing system unavailability.

Technical Details of CVE-2018-14733

The technical aspects of the CVE-2018-14733 vulnerability are as follows:

Vulnerability Description

Under certain circumstances, the dbfilter_from_header module in Odoo versions 8.x to 11.x is vulnerable to ReDoS attacks.

Affected Systems and Versions

Odoo versions 8.x, 9.x, 10.x, and 11.x

Exploitation Mechanism

Attackers can exploit the vulnerability in the dbfilter_from_header module to launch ReDoS attacks, causing denial of service.

Mitigation and Prevention

Protect your systems from CVE-2018-14733 with the following measures:

Immediate Steps to Take

Disable or restrict access to the dbfilter_from_header module.
Implement network-level protections to filter out malicious requests.
Regularly monitor system logs for any unusual activities.

Long-Term Security Practices

Keep Odoo and its modules updated to the latest versions.
Conduct regular security assessments and penetration testing to identify vulnerabilities.
Educate users on safe coding practices and the importance of secure configurations.

Patching and Updates

Apply patches provided by Odoo Community Association (OCA) to address the vulnerability in the dbfilter_from_header module.