CVE-2019-12170 : What You Need to Know

ATutor version 2.2.4 has a vulnerability in the backup component, allowing arbitrary file uploads and remote command execution.

Understanding CVE-2019-12170

This CVE involves a security flaw in ATutor version 2.2.4 that enables attackers to upload files and execute commands remotely.

What is CVE-2019-12170?

ATutor version 2.2.4 is susceptible to arbitrary file uploads through the upload.php file in the mods/_core/backups directory, leading to potential remote command execution.

The Impact of CVE-2019-12170

The vulnerability allows attackers to compromise the instructor account, enabling them to write PHP files to the web root and execute code on the targeted server.

Technical Details of CVE-2019-12170

This section provides more in-depth technical insights into the CVE.

Vulnerability Description

The vulnerability in ATutor version 2.2.4 permits arbitrary file uploads via the upload.php component, potentially resulting in remote command execution.

Affected Systems and Versions

Product: ATutor
Vendor: N/A
Version: 2.2.4

Exploitation Mechanism

Attackers can exploit this vulnerability by using a manipulated backup ZIP archive to compromise the instructor account and execute code on the server.

Mitigation and Prevention

Protecting systems from CVE-2019-12170 requires immediate actions and long-term security practices.

Immediate Steps to Take

Disable the backup feature in ATutor until a patch is available.
Monitor system logs for any suspicious activities.
Implement strong access controls and authentication mechanisms.

Long-Term Security Practices

Regularly update ATutor to the latest version to patch known vulnerabilities.
Conduct security audits and penetration testing to identify and address potential weaknesses.

Patching and Updates

Apply patches and updates provided by ATutor promptly to mitigate the vulnerability and enhance system security.