CVE-2022-23558 : Security Advisory and Response

Tensorflow is an Open Source Machine Learning Framework. An attacker can craft a TFLite model that would cause an integer overflow in

TfLiteIntArrayCreate

. The fix will be included in TensorFlow 2.8.0 as well as cherrypicked on TensorFlow 2.7.1, TensorFlow 2.6.3, and TensorFlow 2.5.3.

Understanding CVE-2022-23558

This CVE involves an integer overflow in TFLite array creation in Tensorflow, impacting specific versions of the software.

What is CVE-2022-23558?

An attacker can exploit a vulnerability in Tensorflow to trigger an integer overflow, potentially leading to security issues due to incorrect memory allocation.

The Impact of CVE-2022-23558

The vulnerability can be exploited to cause issues such as memory corruption and denial of service attacks, posing a significant threat to affected systems.

Technical Details of CVE-2022-23558

This section outlines specific technical details related to the CVE.

Vulnerability Description

The vulnerability allows an attacker to manipulate inputs to trigger an integer overflow within the

TfLiteIntArrayCreate

function, potentially crashing the system or executing arbitrary code.

Affected Systems and Versions

Tensorflow versions >= 2.7.0 and < 2.7.1, >= 2.6.0 and < 2.6.3, as well as versions below 2.5.3 are impacted by this vulnerability.

Exploitation Mechanism

By crafting a malicious TFLite model with specific inputs, an attacker can exploit the integer overflow in the

TfLiteIntArrayCreate

function to compromise system integrity.

Mitigation and Prevention

Efforts to mitigate the risks associated with CVE-2022-23558 are crucial for maintaining system security.

Immediate Steps to Take

Users should update their Tensorflow installations to version 2.8.0 or apply patches provided by the vendor to address the vulnerability.

Long-Term Security Practices

Practicing secure coding, regular security audits, and staying informed about software updates are essential for preventing similar vulnerabilities in the future.

Patching and Updates

Installing security patches, staying updated with security advisories, and following best security practices can help protect systems from potential exploits.