CVE-2021-32823 : Security Advisory and Response

In the bindata RubyGem before version 2.4.10, there is a potential denial-of-service vulnerability that can lead to a CPU-based DoS attack. The affected versions experience slow creation time for certain classes in BinData. This vulnerability was addressed in version 2.4.10 by improving the creation time of Bits and Integers.

Understanding CVE-2021-32823

This CVE describes a potential denial-of-service vulnerability in the bindata RubyGem.

What is CVE-2021-32823?

CVE-2021-32823 highlights a vulnerability in bindata RubyGem versions prior to 2.4.10 that could allow for a CPU-based denial-of-service attack due to slow creation time of certain classes.

The Impact of CVE-2021-32823

This vulnerability could be exploited by an attacker to launch a denial-of-service attack, impacting system availability.

Technical Details of CVE-2021-32823

This section provides technical insights into the vulnerability.

Vulnerability Description

The vulnerability in bindata RubyGem versions before 2.4.10 results in slow creation of certain classes, creating a potential for CPU-based denial-of-service attacks.

Affected Systems and Versions

Systems using bindata RubyGem versions earlier than 2.4.10 are impacted by this vulnerability.

Exploitation Mechanism

The vulnerability can be exploited by an attacker to trigger a CPU-based denial-of-service attack by leveraging the slow creation time of specific classes.

Mitigation and Prevention

Learn how to mitigate the risks associated with CVE-2021-32823.

Immediate Steps to Take

Update bindata RubyGem to version 2.4.10 or newer to address this vulnerability and improve system security.

Long-Term Security Practices

Incorporate regular security updates and follow secure coding practices to enhance overall system resilience.

Patching and Updates

Stay informed about security updates for bindata RubyGem and promptly apply patches to protect against potential vulnerabilities.