CVE-2019-7684 : Exploit Details and Defense Strategies

In December 2018, inxedu was found to have a security flaw allowing the insertion of a malicious JSP file through manipulation of the fileType parameter. This vulnerability is tracked under CVE-2019-7684.

Understanding CVE-2019-7684

This CVE entry highlights a security vulnerability in inxedu that could lead to the upload of a malicious JSP file.

What is CVE-2019-7684?

inxedu had a security flaw that allowed attackers to insert a malicious JSP file by manipulating the fileType parameter.

The Impact of CVE-2019-7684

The vulnerability could potentially lead to unauthorized access and execution of malicious code on the affected system.

Technical Details of CVE-2019-7684

This section provides more technical insights into the vulnerability.

Vulnerability Description

The specific vulnerable code section in inxedu can be found in com.inxedu.os.common.controller.VideoUploadController#gok4. Attackers exploit the /video/uploadvideo fileType parameter to change acceptable file extensions.

Affected Systems and Versions

Product: n/a
Vendor: n/a
Versions: n/a

Exploitation Mechanism

Attackers manipulate the fileType parameter to modify the permissible file extensions, allowing the insertion of a malicious JSP file.

Mitigation and Prevention

Protecting systems from CVE-2019-7684 requires immediate actions and long-term security practices.

Immediate Steps to Take

Update inxedu to the latest version to patch the vulnerability.
Implement strict input validation to prevent unauthorized file uploads.

Long-Term Security Practices

Regularly monitor and audit the application for security vulnerabilities.
Educate developers on secure coding practices to prevent similar issues.
Employ web application firewalls to detect and block malicious file uploads.
Conduct security assessments and penetration testing regularly.

Patching and Updates

Ensure timely installation of security patches and updates to mitigate the risk of exploitation.