CVE-2021-33652 : Vulnerability Insights and Analysis

This article provides insights into CVE-2021-33652, a vulnerability affecting openEuler:mindspore software.

Understanding CVE-2021-33652

CVE-2021-33652 is a vulnerability in openEuler:mindspore software that can lead to a division by 0 exception when the Reduce operator run operation is executed.

What is CVE-2021-33652?

CVE-2021-33652 occurs due to a value of 0 in the parameter axis_sizes element during the execution of the Reduce operator run operation, resulting in a division by 0 exception.

The Impact of CVE-2021-33652

This vulnerability can be exploited by an attacker to potentially cause a denial of service (DoS) by triggering the division by 0 exception in the affected software.

Technical Details of CVE-2021-33652

The technical details of CVE-2021-33652 include:

Vulnerability Description

When the Reduce operator run operation is executed with a value of 0 in the parameter axis_sizes element, it leads to a division by 0 exception.

Affected Systems and Versions

The openEuler:mindspore software versions >= 0.7.0-beta and < 1.3.0 are affected by CVE-2021-33652.

Exploitation Mechanism

An attacker can exploit this vulnerability by manipulating the parameter axis_sizes element to contain a value of 0, triggering the division by 0 exception.

Mitigation and Prevention

To mitigate the risks associated with CVE-2021-33652, consider the following measures:

Immediate Steps to Take

Update the openEuler:mindspore software to a version that is equal to or greater than 1.3.0 to eliminate the vulnerability.

Long-Term Security Practices

Regularly monitor security advisories from openEuler and apply patches promptly to address any emerging vulnerabilities.

Patching and Updates

Stay informed about security updates for openEuler:mindspore software and ensure timely installation of patches to maintain secure operations.