CVE-2022-41880 : What You Need to Know

TensorFlow is an open-source platform for machine learning. This CVE, assigned the ID CVE-2022-41880, involves a vulnerability known as ThreadUnsafeUnigramCandidateSampler Heap out of bounds in TensorFlow.

Understanding CVE-2022-41880

This section will delve into the details of the vulnerability and its impact.

What is CVE-2022-41880?

The vulnerability occurs when the

BaseCandidateSamplerOp

function in TensorFlow encounters a value in

true_classes

larger than

range_max

, leading to a heap out-of-bounds read.

The Impact of CVE-2022-41880

The impact of this vulnerability is rated as medium severity with a base score of 6.8. It can potentially allow attackers to read data outside the allocated memory space, which could compromise the confidentiality and integrity of the system.

Technical Details of CVE-2022-41880

Let's explore the technical details related to this vulnerability.

Vulnerability Description

The issue results in a heap out-of-bounds read in TensorFlow, specifically in the

BaseCandidateSamplerOp

function.

Affected Systems and Versions

Affected versions include TensorFlow 2.10.0 to 2.10.1, 2.9.0 to 2.9.3, and versions below 2.8.4.

Exploitation Mechanism

Attackers can potentially exploit this vulnerability by providing a specific value in

true_classes

that exceeds the defined

range_max

, triggering the out-of-bounds read.

Mitigation and Prevention

This section covers recommended steps to mitigate the risks posed by CVE-2022-41880.

Immediate Steps to Take

Users are advised to update TensorFlow to version 2.11 which includes the patch for this vulnerability. Additionally, for versions still within the supported range, such as 2.10.1, 2.9.3, and 2.8.4, the patch will be backported.

Long-Term Security Practices

Implement secure coding practices, perform regular security audits, and stay informed about patches and updates released by TensorFlow.

Patching and Updates

Ensure timely installation of patches and updates provided by TensorFlow to address known vulnerabilities and enhance the security posture of the environment.