CVE-2021-23592 : Vulnerability Insights and Analysis

Topthink/framework before version 6.0.12 is vulnerable to Deserialization of Untrusted Data through the insecure unserialize method in the Driver class.

Understanding CVE-2021-23592

This CVE highlights a vulnerability in the topthink/framework package that allows for the deserialization of untrusted data, leading to potential security risks.

What is CVE-2021-23592?

The package topthink/framework version less than 6.0.12 is susceptible to Deserialization of Untrusted Data due to an insecure unserialize method in the Driver class.

The Impact of CVE-2021-23592

The vulnerability poses a high severity risk with a CVSS base score of 7.7 and affects confidentiality, integrity, and availability. It can be exploited remotely with no privileges required.

Technical Details of CVE-2021-23592

This section delves into the specifics of the vulnerability, including its description, affected systems, and exploitation mechanism.

Vulnerability Description

The vulnerability arises from an insecure unserialize method in the Driver class of topthink/framework versions prior to 6.0.12, allowing for the deserialization of untrusted data.

Affected Systems and Versions

The affected system is the topthink/framework package with versions earlier than 6.0.12.

Exploitation Mechanism

The vulnerability can be exploited remotely with high attack complexity and impact, requiring no user interaction.

Mitigation and Prevention

To secure systems from CVE-2021-23592, immediate steps and long-term security practices need to be implemented.

Immediate Steps to Take

Update the topthink/framework package to version 6.0.12 or later.
Monitor for any suspicious activities or unauthorized access.

Long-Term Security Practices

Regularly update software and packages to patch known vulnerabilities.
Implement secure coding practices to mitigate similar risks in the future.

Patching and Updates

Refer to the provided references for patch details and updates to address CVE-2021-23592.