CVE-2022-25050 : What You Need to Know

This article provides detailed information about CVE-2022-25050, a vulnerability found in rtl_433 21.12 that can lead to a Denial of Service (DoS) attack through a stack overflow in the somfy_iohc_decode() function.

Understanding CVE-2022-25050

CVE-2022-25050 is a vulnerability in rtl_433 21.12 that allows attackers to exploit a stack overflow in the somfy_iohc_decode() function to trigger a Denial of Service (DoS) by using a specially crafted file.

What is CVE-2022-25050?

CVE-2022-25050 is a security vulnerability that specifically affects the function somfy_iohc_decode() in rtl_433 21.12. This flaw enables threat actors to launch a Denial of Service (DoS) attack by leveraging a stack overflow in the application.

The Impact of CVE-2022-25050

The impact of CVE-2022-25050 is the potential for a successful DoS attack, disrupting the availability of the affected system or service by overwhelming it with malicious requests. This could lead to service downtime and disruption of operations.

Technical Details of CVE-2022-25050

CVE-2022-25050 involves a stack overflow in the somfy_iohc_decode() function of rtl_433 21.12, which can be exploited by threat actors to execute a DoS attack. Below are some technical details:

Vulnerability Description

The vulnerability stems from improper handling of input within the somfy_iohc_decode() function, resulting in a stack overflow condition that can be triggered by a specially crafted file.

Affected Systems and Versions

The affected version is rtl_433 21.12. Users with this version are susceptible to exploitation of the CVE-2022-25050 vulnerability if exposed to malicious files or payloads.

Exploitation Mechanism

Exploiting CVE-2022-25050 involves crafting a specific file that triggers a stack overflow in the somfy_iohc_decode() function of rtl_433 21.12, leading to a DoS condition on the target system.

Mitigation and Prevention

To mitigate the risks associated with CVE-2022-25050, users and administrators are advised to take the following steps:

Immediate Steps to Take

Update rtl_433 to a patched version that addresses the stack overflow vulnerability.
Avoid opening files from untrusted or unknown sources that could potentially exploit this vulnerability.

Long-Term Security Practices

Implement regular security updates and patches for rtl_433 to safeguard against known vulnerabilities.
Conduct security assessments and audits to identify and remediate potential security weaknesses proactively.

Patching and Updates

Stay informed about security advisories related to rtl_433 and promptly apply patches released by the vendor to mitigate the risk of CVE-2022-25050 and other vulnerabilities.