CVE-2022-31604 : Exploit Details and Defense Strategies

This article provides detailed information about CVE-2022-31604, a critical vulnerability found in NVIDIA FLARE versions prior to 2.1.2.

Understanding CVE-2022-31604

CVE-2022-31604 is a vulnerability in the PKI implementation module of NVIDIA FLARE, allowing unprivileged network attackers to execute remote code, cause denial of service, and impact confidentiality and integrity.

What is CVE-2022-31604?

NVFLARE versions prior to 2.1.2 contain a vulnerability in the PKI implementation module. The flaw allows CA credentials to be transported via pickle without safe deserialization, enabling unprivileged network attackers to execute malicious activities.

The Impact of CVE-2022-31604

The vulnerability can result in remote code execution, denial of service, and compromise to both confidentiality and integrity with a CVSS base score of 9.8, indicating critical severity.

Technical Details of CVE-2022-31604

The following information provides technical insights into the vulnerability.

Vulnerability Description

CVE-2022-31604 is classified under CWE-502, involving the deserialization of untrusted data in NVIDIA FLARE prior to version 2.1.2.

Affected Systems and Versions

All versions of NVIDIA FLARE before 2.1.2 are affected by this vulnerability.

Exploitation Mechanism

The flaw arises from unsafe deserialization of untrusted data in the PKI implementation module, posing a risk of remote code execution and denial of service attacks.

Mitigation and Prevention

To address CVE-2022-31604, it is crucial to implement immediate steps and adopt long-term security practices.

Immediate Steps to Take

Update NVIDIA FLARE to version 2.1.2 or newer to mitigate the vulnerability.
Monitor network traffic for any suspicious activity to detect potential exploitation attempts.

Long-Term Security Practices

Regularly patch and update software to ensure protection against known vulnerabilities.
Conduct security assessments and audits to identify and address any additional weaknesses in the system.
Educate users and IT staff about best practices for preventing and responding to security incidents.