CVE-2019-7669 : Exploit Details and Defense Strategies

Prima Systems FlexAir versions 2.3.38 and earlier are vulnerable to improper file extension validation during uploads, potentially allowing remote attackers to execute malicious applications with root privileges.

Understanding CVE-2019-7669

This CVE involves a security vulnerability in Prima Systems FlexAir versions 2.3.38 and prior, where file extensions are not adequately validated during file uploads, creating a risk of unauthorized execution of malicious applications.

What is CVE-2019-7669?

Prima Systems FlexAir versions 2.3.38 and earlier have a vulnerability that allows authenticated remote attackers to upload and run malicious applications within the application's web root, potentially leading to the acquisition of root privileges.

The Impact of CVE-2019-7669

The vulnerability in FlexAir could be exploited by attackers to execute arbitrary code within the application's web root, potentially resulting in unauthorized access and control over the system.

Technical Details of CVE-2019-7669

Prima Systems FlexAir versions 2.3.38 and earlier are susceptible to a security flaw that enables attackers to bypass file extension validation during uploads.

Vulnerability Description

The vulnerability arises from the improper validation of file extensions during the upload process, allowing authenticated remote attackers to upload and execute malicious applications within the application's web root.

Affected Systems and Versions

Prima Systems FlexAir versions 2.3.38 and earlier

Exploitation Mechanism

Remote attackers authenticated within the application can exploit the vulnerability by uploading and running malicious applications, potentially gaining root privileges.

Mitigation and Prevention

It is crucial to take immediate steps to address and prevent the exploitation of CVE-2019-7669.

Immediate Steps to Take

Apply security patches provided by the vendor promptly.
Restrict access to the application to authorized users only.
Monitor file uploads and restrict executable file uploads.

Long-Term Security Practices

Conduct regular security assessments and penetration testing.
Implement secure coding practices to prevent similar vulnerabilities.
Educate users on safe file handling and security best practices.

Patching and Updates

Stay informed about security updates and patches released by Prima Systems.
Regularly update the FlexAir application to the latest secure version.