CVE-2023-29468 : Security Advisory and Response

Texas Instruments (TI) WiLink WL18xx MCP driver is vulnerable to a buffer overflow issue that can result in remote code execution. This CVE affects WILINK8-WIFI-MCP8 version 8.5_SP3 and earlier.

Understanding CVE-2023-29468

This section will discuss the details of CVE-2023-29468, outlining the vulnerability and its impact.

What is CVE-2023-29468?

CVE-2023-29468 pertains to a vulnerability in the Texas Instruments WiLink WL18xx MCP driver that allows for the triggering of a buffer overflow through a specially crafted frame, potentially leading to remote code execution.

The Impact of CVE-2023-29468

The impact of this CVE is significant as it exposes systems running affected versions of the driver to the risk of remote code execution, which can be exploited by threat actors to take control of the system.

Technical Details of CVE-2023-29468

In this section, we delve into the technical aspects of CVE-2023-29468, including vulnerability description, affected systems, and the exploitation mechanism.

Vulnerability Description

The vulnerability arises from the lack of limitation on the number of information elements (IEs) that can be parsed in a management frame, leading to a buffer overflow when processing certain types of IEs.

Affected Systems and Versions

The vulnerability affects the WILINK8-WIFI-MCP8 version 8.5_SP3 and earlier releases of the Texas Instruments WiLink WL18xx MCP driver.

Exploitation Mechanism

By sending a specially crafted frame containing a high number of specific IEs, an attacker can trigger the buffer overflow, potentially allowing them to execute arbitrary code remotely.

Mitigation and Prevention

This section provides guidance on mitigating the risks associated with CVE-2023-29468, including immediate steps to take and long-term security practices.

Immediate Steps to Take

Organizations should apply security patches provided by Texas Instruments to address the vulnerability promptly.

Long-Term Security Practices

Regularly update the WiLink WL18xx MCP driver and other software components to ensure the latest security fixes are in place.

Patching and Updates

Stay informed about security advisories from Texas Instruments and promptly implement relevant patches and updates to secure the system.