CVE-2019-9056 Explained : Impact and Mitigation

CMS Made Simple 2.2.8 is found to have a vulnerability in the FrontEndUsers module that can lead to authenticated object injection through an untrusted FEU cookie.

Understanding CVE-2019-9056

This CVE involves a potential vulnerability in CMS Made Simple 2.2.8 that could allow attackers to perform authenticated object injection.

What is CVE-2019-9056?

An issue in CMS Made Simple 2.2.8 allows unauthorized access via an untrusted FEU cookie, potentially leading to authenticated object injection.

The Impact of CVE-2019-9056

The vulnerability in the FrontEndUsers module could be exploited by attackers to inject authenticated objects, compromising the security of the system.

Technical Details of CVE-2019-9056

This section provides more technical insights into the CVE.

Vulnerability Description

The vulnerability in CMS Made Simple 2.2.8 allows for an untrusted FEU cookie to trigger an unserialize call, leading to authenticated object injection.

Affected Systems and Versions

Affected Version: CMS Made Simple 2.2.8

Exploitation Mechanism

Attackers can exploit this vulnerability by manipulating the FEU cookie to trigger the unserialize call and inject authenticated objects.

Mitigation and Prevention

Protecting systems from CVE-2019-9056 requires immediate actions and long-term security practices.

Immediate Steps to Take

Update CMS Made Simple to version 2.2.10 or later to mitigate the vulnerability.
Monitor and restrict access to sensitive cookies and session data.

Long-Term Security Practices

Regularly audit and review cookie handling mechanisms.
Implement secure coding practices to prevent object injection vulnerabilities.

Patching and Updates

Apply patches and updates provided by CMS Made Simple to address the vulnerability.