CVE-2019-16678 : Security Advisory and Response

YzmCMS 5.3 is susceptible to a CSRF vulnerability via the admin/urlrule/add.html functionality, potentially leading to denial of service.

Understanding CVE-2019-16678

This CVE entry describes a security issue in YzmCMS 5.3 that allows for a CSRF attack leading to denial of service.

What is CVE-2019-16678?

The vulnerability arises from the improper handling of routes in YzmCMS 5.3, specifically through the admin/urlrule/add.html feature, enabling malicious actors to execute CSRF attacks.

The Impact of CVE-2019-16678

Exploitation of this vulnerability can result in a denial of service, disrupting the normal operation of the affected system.

Technical Details of CVE-2019-16678

YzmCMS 5.3 vulnerability technical specifics.

Vulnerability Description

The issue stems from the addition of a superseding route in YzmCMS 5.3 via the admin/urlrule/add.html functionality, creating a CSRF vulnerability.

Affected Systems and Versions

Product: YzmCMS 5.3
Vendor: N/A
Version: N/A

Exploitation Mechanism

The vulnerability can be exploited by crafting a malicious request to the admin/urlrule/add.html endpoint, triggering the CSRF attack.

Mitigation and Prevention

Protecting systems from CVE-2019-16678.

Immediate Steps to Take

Disable or restrict access to the admin/urlrule/add.html functionality in YzmCMS 5.3.
Implement CSRF protection mechanisms to mitigate the risk of CSRF attacks.

Long-Term Security Practices

Regularly update YzmCMS to the latest version to patch known vulnerabilities.
Conduct security assessments and audits to identify and address potential security weaknesses.

Patching and Updates

Apply patches and updates provided by YzmCMS to address the CSRF vulnerability and enhance system security.