CVE-2022-42474 : Exploit Details and Defense Strategies
CVE-2022-42474 allows privileged attackers to delete arbitrary directories via crafted HTTP requests. Learn impacts, technical details, and mitigation steps here.
A relative path traversal vulnerability in Fortinet FortiOS, FortiProxy, and FortiSwitchManager allows a privileged attacker to delete arbitrary directories from the filesystem through crafted HTTP requests.
Understanding CVE-2022-42474
This section will cover what CVE-2022-42474 is, its impacts, technical details, and mitigation strategies.
What is CVE-2022-42474?
CVE-2022-42474 is a relative path traversal vulnerability in Fortinet products, including FortiOS, FortiProxy, and FortiSwitchManager. It allows a privileged attacker to delete arbitrary directories from the filesystem through crafted HTTP requests.
The Impact of CVE-2022-42474
The vulnerability can lead to unauthorized deletion of sensitive directories, potentially resulting in data loss, system instability, and security breaches.
Technical Details of CVE-2022-42474
Let's delve into the specific technical aspects of CVE-2022-42474.
Vulnerability Description
The vulnerability exists in Fortinet FortiOS versions 7.2.0 through 7.2.3, versions 7.0.0 through 7.0.9, and versions before 6.4.12. It also affects FortiProxy versions 7.2.0 through 7.2.1, 7.0.0 through 7.0.7, and FortiSwitchManager versions 7.2.0 through 7.2.1 and before 7.0.1.
Affected Systems and Versions
The vulnerability impacts FortiOS, FortiProxy, and FortiSwitchManager across multiple versions as specified above.
Exploitation Mechanism
An attacker with high privileges can exploit the vulnerability by sending crafted HTTP requests, enabling them to delete directories within the filesystem.
Mitigation and Prevention
Protect your systems and networks by following these recommended mitigation strategies.
Immediate Steps to Take
Upgrade to the following versions or above:
- FortiOS version 7.4.0 or above
- FortiOS version 7.2.4 or above
- FortiOS version 7.0.10 or above
- FortiOS version 6.4.13 or above
- FortiSwitchManager version 7.2.2 or above
- FortiSwitchManager version 7.0.2 or above
- FortiProxy version 7.2.2 or above
- FortiProxy version 7.0.8 or above
- FortiProxy version 2.0.12 or above
Long-Term Security Practices
Ensure regular security audits, implement access controls, and educate users on safe browsing habits to prevent future vulnerabilities.
Patching and Updates
Stay informed about security patches and updates from Fortinet to address potential vulnerabilities and enhance system security.