CVE-2021-22679 : Exploit Details and Defense Strategies

SimpleLink Wi-Fi, MSP432, CC13XX, CC26XX, CC32XX, CC3100 are affected by an integer overflow vulnerability while processing HTTP headers, potentially leading to remote code execution.

Understanding CVE-2021-22679

This CVE involves an integer overflow issue in the affected product, exposing it to remote code execution by malicious actors.

What is CVE-2021-22679?

The vulnerability in SimpleLink Wi-Fi, MSP432, CC13XX, CC26XX, CC32XX, CC3100 allows attackers to trigger remote code execution through HTTP headers processing due to an integer overflow.

The Impact of CVE-2021-22679

Exploiting this vulnerability could enable threat actors to remotely execute malicious code on affected devices, leading to unauthorized access and potential compromise of sensitive data.

Technical Details of CVE-2021-22679

This section provides detailed technical insights into the vulnerability affecting the specified products.

Vulnerability Description

CVE-2021-22679 is an integer overflow vulnerability that arises during HTTP headers processing, potentially permitting remote code execution on impacted systems.

Affected Systems and Versions

The following versions are impacted: MSP432E4 SDK: v4.20.00.12 and below, CC32XX SDK v4.30.00.06 and below, CC13X0 SDK versions earlier than v4.10.03, CC13X2 and CC26XX SDK versions prior to v4.40.00, CC3200 SDK v1.5.0 and earlier, CC3100 SDK v1.3.0 and earlier.

Exploitation Mechanism

By exploiting the integer overflow vulnerability within the HTTP headers processing, threat actors can craft malicious requests to trigger remote code execution on the affected SimpleLink Wi-Fi and related products.

Mitigation and Prevention

Discover how to secure your systems against CVE-2021-22679 and prevent potential exploitation.

Immediate Steps to Take

Immediate mitigation involves applying relevant patches and security measures to protect systems from potential exploitation.

Long-Term Security Practices

Implementing robust security practices such as regular vulnerability assessments, network segmentation, and user training can enhance long-term resilience against similar threats.

Patching and Updates

Ensure timely installation of security patches and updates provided by the product vendors to address the CVE-2021-22679 vulnerability and enhance overall system security.