CVE-2020-19302 : Vulnerability Insights and Analysis

An arbitrary file upload vulnerability in the avatar upload function of vaeThink v1.0.1 allows attackers to open a webshell via changing uploaded file suffixes to ".php".

Understanding CVE-2020-19302

This CVE describes a critical arbitrary file upload vulnerability in vaeThink v1.0.1 that can be exploited by attackers to execute malicious actions.

What is CVE-2020-19302?

The vulnerability in the avatar upload function of vaeThink v1.0.1 enables attackers to upload files with a ".php" suffix, leading to the execution of a webshell.

The Impact of CVE-2020-19302

This vulnerability can result in unauthorized access, data theft, and potential system compromise, posing a significant risk to affected systems.

Technical Details of CVE-2020-19302

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

Vulnerability Description

The vulnerability allows attackers to upload files with a ".php" suffix, enabling the execution of a webshell and potential unauthorized access.

Affected Systems and Versions

Affected System: vaeThink v1.0.1
Affected Versions: All versions prior to v1.0.1

Exploitation Mechanism

Attackers exploit the vulnerability by manipulating the file suffix during the avatar upload process, allowing them to execute malicious webshell commands.

Mitigation and Prevention

It is crucial to take immediate steps to mitigate the risks posed by CVE-2020-19302.

Immediate Steps to Take

Disable the avatar upload function in vaeThink v1.0.1 until a patch is available.
Monitor system logs for any suspicious file uploads or webshell activities.

Long-Term Security Practices

Implement file type validation checks to prevent unauthorized file uploads.
Regularly update and patch vaeThink to address security vulnerabilities.

Patching and Updates

Apply the latest security patches and updates provided by vaeThink to fix the vulnerability and enhance system security.