CVE-2022-42477 : Vulnerability Insights and Analysis
Learn about CVE-2022-42477, an information disclosure vulnerability in FortiAnalyzer versions 7.2.1, 7.0.6, and 6.4.0. Follow mitigation steps to prevent unauthorized file system access.
This article provides detailed information about CVE-2022-42477, an improper input validation vulnerability in FortiAnalyzer, affecting versions 7.2.1 and below, 7.0.6 and below, and 6.4.0.
Understanding CVE-2022-42477
CVE-2022-42477 is an information disclosure vulnerability in FortiAnalyzer that could allow an authenticated attacker to reveal file system information through custom dataset SQL queries.
What is CVE-2022-42477?
CVE-2022-42477 is classified as an improper input validation vulnerability (CWE-20) in FortiAnalyzer versions 7.2.1 and below, 7.0.6 and below, and all versions of 6.4.x when handling custom dataset SQL queries.
The Impact of CVE-2022-42477
This vulnerability poses a medium risk with a CVSS base score of 6.5, high confidentiality, and integrity impacts. An attacker with low privileges could exploit this issue to access sensitive file system information.
Technical Details of CVE-2022-42477
CVE-2022-42477 affects FortiAnalyzer versions 7.2.1 and below, 7.0.6 and below, and all versions of 6.4.x. Below are the technical details:
Vulnerability Description
The vulnerability allows an authenticated attacker to disclose file system information through custom dataset SQL queries.
Affected Systems and Versions
- FortiAnalyzer 7.2.1 and below
- FortiAnalyzer 7.0.6 and below
- FortiAnalyzer 6.4.0 and below
Exploitation Mechanism
An authenticated attacker can exploit this vulnerability via custom dataset SQL queries to access sensitive file system information.
Mitigation and Prevention
To address CVE-2022-42477, follow the mitigation and prevention steps outlined below:
Immediate Steps to Take
- Upgrade to FortiAnalyzer version 7.2.2 or above
- Upgrade to FortiAnalyzer version 7.0.7 or above
Long-Term Security Practices
Implement the principle of least privilege, conduct regular security audits, and monitor and restrict access to file system information.
Patching and Updates
Regularly apply security patches and updates provided by Fortinet to protect against known vulnerabilities.