CVE-2022-46378 : Security Advisory and Response

This CVE-2022-46378 article provides an overview of a critical vulnerability in Weston Embedded uC-FTPs v 1.98.00, detailing its impact, technical aspects, and mitigation strategies.

Understanding CVE-2022-46378

In this section, we will delve into the specifics of CVE-2022-46378.

What is CVE-2022-46378?

CVE-2022-46378 is an out-of-bounds read vulnerability present in the PORT command parameter extraction functionality of Weston Embedded uC-FTPs v 1.98.00. This vulnerability can be exploited by a specially-crafted set of network packets, leading to denial of service. Attackers can exploit this by sending packets to trigger the vulnerability when no port argument is provided to the

PORT

command.

The Impact of CVE-2022-46378

The vulnerability poses a medium severity threat with a CVSS base score of 6.5. It has a HIGH impact on availability, potentially resulting in denial of service attacks. The exploit occurs over a network with low complexity and privileges required, making it easier for threat actors to launch attacks.

Technical Details of CVE-2022-46378

This section will discuss the technical specifics of CVE-2022-46378.

Vulnerability Description

The vulnerability arises from the improper handling of inputs in the PORT command parameter extraction functionality of Weston Embedded uC-FTPs v 1.98.00. This enables an attacker to exploit the system and cause denial of service through specially-crafted network packets.

Affected Systems and Versions

Only the specific version v 1.98.00 of the Weston Embedded uC-FTPs software is affected by this vulnerability. Users of this version are urged to take immediate action to mitigate the risk.

Exploitation Mechanism

An attacker can exploit this vulnerability by sending a malicious set of network packets to the target system. By triggering the vulnerability through the

PORT

command without a port argument, the attacker can achieve denial of service.

Mitigation and Prevention

In this final section, we will explore the steps to mitigate and prevent CVE-2022-46378.

Immediate Steps to Take

Users are advised to update to a patched version of Weston Embedded uC-FTPs that addresses this vulnerability. Additionally, network monitoring and filtering can help detect and block exploit attempts.

Long-Term Security Practices

Implementing secure coding practices, regular security audits, and employee training on identifying social engineering attempts can enhance overall cybersecurity posture.

Patching and Updates

Stay informed about security updates released by Weston Embedded for uC-FTPs. Regularly applying patches and updates is crucial to addressing known vulnerabilities and strengthening the security of the software.