CVE-2022-41333 : Security Advisory and Response

This article provides detailed information about CVE-2022-41333, including its description, impact, technical details, and mitigation steps.

Understanding CVE-2022-41333

CVE-2022-41333 is an uncontrolled resource consumption vulnerability in FortiRecorder versions 6.4.3 and below, as well as 6.0.11 and below. It affects the login authentication mechanism, potentially allowing an unauthenticated attacker to disrupt the device through crafted GET requests.

What is CVE-2022-41333?

CVE-2022-41333 is classified as a denial of service vulnerability (CWE-400) in FortiRecorder, a specific range of versions have been identified as vulnerable due to issues in the login authentication mechanism. This vulnerability could lead to an unauthenticated attacker rendering the device unavailable by sending certain types of requests.

The Impact of CVE-2022-41333

The impact of CVE-2022-41333 is considered to be of medium severity, with a CVSS base score of 6.8. The availability impact is rated as high, potentially causing disruption to the affected device's services without requiring any user privileges or interaction. However, it does not impact confidentiality or integrity.

Technical Details of CVE-2022-41333

This section covers the vulnerability description, affected systems and versions, as well as the exploitation mechanism.

Vulnerability Description

The vulnerability pertains to an uncontrolled resource consumption issue in the login authentication mechanism of FortiRecorder versions 6.4.3 and below, as well as 6.0.11 and below. An unauthenticated attacker could exploit this vulnerability by sending crafted GET requests, resulting in making the device unavailable.

Affected Systems and Versions

The FortiRecorder versions 6.4.3 and below, and 6.0.11 and below are affected by this vulnerability. It is crucial for organizations using these versions to take immediate action to secure their systems.

Exploitation Mechanism

The vulnerability can be exploited by an unauthenticated attacker sending specifically crafted GET requests to the affected FortiRecorder instances, leading to resource consumption issues and potential denial of service.

Mitigation and Prevention

In order to mitigate the risks associated with CVE-2022-41333, users are advised to take immediate steps and follow long-term security practices, including applying relevant patches and updates.

Immediate Steps to Take

Users should upgrade to FortiRecorder version 7.0.0 or above, version 6.4.4 or above, and version 6.0.12 or above to address the vulnerability and protect their systems from potential exploitation.

Long-Term Security Practices

Apart from immediate upgrades, organizations should enforce robust security measures, monitor for any unusual activities, and ensure timely patching and updates to prevent similar vulnerabilities in the future.

Patching and Updates

Regularly check for security advisories and updates from Fortinet to stay informed about the latest patches and releases that address CVE-2022-41333.