CVE-2023-31247 : Vulnerability Insights and Analysis

A memory corruption vulnerability in the HTTP Server Host header parsing functionality of Weston Embedded uC-HTTP v3.01.01 allows for remote code execution when handling specially crafted network packets. This could be exploited by an attacker to trigger code execution.

Understanding CVE-2023-31247

This section provides an overview of the CVE-2023-31247 vulnerability, including its impact, technical details, and mitigation strategies.

What is CVE-2023-31247?

CVE-2023-31247 is a memory corruption vulnerability found in the HTTP Server Host header parsing functionality of Weston Embedded uC-HTTP v3.01.01. It could be exploited by a remote attacker to achieve code execution by sending a malicious network packet.

The Impact of CVE-2023-31247

The vulnerability poses a critical threat as it allows attackers to remotely execute arbitrary code on affected systems. This could lead to unauthorized access, data theft, and the compromise of sensitive information.

Technical Details of CVE-2023-31247

This section delves into the specifics of the CVE-2023-31247 vulnerability, including its description, affected systems, and exploitation mechanism.

Vulnerability Description

The vulnerability arises from improper handling of HTTP Server Host headers in Weston Embedded uC-HTTP v3.01.01. An attacker exploiting this flaw can achieve code execution through specially crafted network packets.

Affected Systems and Versions

The vulnerability impacts Silicon Labs' Gecko Platform version 4.3.1.0, Weston Embedded Cesium NET version 3.07.01, and Weston Embedded uC-HTTP version v3.01.01.

Exploitation Mechanism

By sending a carefully crafted network packet to the vulnerable server running Weston Embedded uC-HTTP v3.01.01, an attacker can trigger the memory corruption vulnerability, leading to remote code execution.

Mitigation and Prevention

In this section, we explore steps to mitigate the risks associated with CVE-2023-31247, including immediate actions, long-term security practices, and the importance of patching and updates.

Immediate Steps to Take

System administrators and users should apply patches provided by the vendors immediately. They should also implement network-level controls and monitor for any suspicious network traffic targeting HTTP servers.

Long-Term Security Practices

To enhance long-term security, organizations should conduct regular security audits, employ intrusion detection systems, and keep software and systems up to date with the latest security patches.

Patching and Updates

Vendors, such as Silicon Labs and Weston Embedded, are expected to release security patches to address CVE-2023-31247. Organizations should prioritize applying these patches to safeguard their systems and prevent exploitation.