CVE-2022-24294 : Exploit Details and Defense Strategies

Apache MXNet (incubating) prior to version 1.9.1 is affected by a Regular Expression Denial of Service (ReDoS) vulnerability that could be exploited when loading a model with a specially crafted operator name. This could lead to excessive resource consumption causing a denial-of-service condition.

Understanding CVE-2022-24294

This CVE relates to a vulnerability in Apache MXNet that allows for a potential denial-of-service attack due to a regex evaluation issue.

What is CVE-2022-24294?

The vulnerability in Apache MXNet exposes an issue where loading a model with a specific operator name can lead to excessive resource usage, potentially causing a denial-of-service.

The Impact of CVE-2022-24294

The impact of this vulnerability is categorized as low, however, it could be exploited to perform denial-of-service attacks by consuming excessive resources.

Technical Details of CVE-2022-24294

Vulnerability Description

A vulnerability in the regular expression evaluation used in Apache MXNet (incubating) allows for a denial-of-service attack by consuming excessive resources.

Affected Systems and Versions

Apache MXNet versions earlier than 1.9.1 are affected by this vulnerability.

Exploitation Mechanism

The bug can be exploited by loading a model in Apache MXNet with a specially crafted operator name.

Mitigation and Prevention

Immediate Steps to Take

Users dependent on MXNet 1.x are advised to upgrade to versions equal to or greater than 1.9.1 but less than 2.

Long-Term Security Practices

Ensure timely application of security updates and patches to prevent exploitation of known vulnerabilities.

Patching and Updates

Apache MXNet (incubating) version 1.9.1 contains the fix for this vulnerability, hence upgrading to this version is crucial for mitigation.