RULE(RULE ID:324328)

Rule General Information
Release Date: 2020-02-19
Rule Name: Fortinet FortiOS SSL VPN Directory Traversal Vulnerability (CVE-2018-13379)
Severity:
CVE ID:
Rule Protection Details
Description: An Improper Limitation of a Pathname to a Restricted Directory ("Path Traversal") in Fortinet FortiOS 6.0.0 to 6.0.4, 5.6.3 to 5.6.7 and 5.4.6 to 5.4.12 under SSL VPN web portal allows an unauthenticated attacker to download system files via special crafted HTTP resource requests.
Impact: An attacker can abtain sensitive information of the target victim, and do malicious actions to gain profits using the information.
Affected OS: Windows, Linux, Network Device, Others
Reference: SecurityFocusBID:108693
http://packetstormsecurity.com/files/154146/FortiOS-5.6.7-6.0.4-Credential-Disclosure.html
http://packetstormsecurity.com/files/154147/FortiOS-5.6.7-6.0.4-Credential-Disclosure.html
https://devco.re/blog/2019/08/09/attacking-ssl-vpn-part-2-breaking-the-Fortigate-ssl-vpn/
Solutions
Refer to the announcement or patch by the vendor: https://fortiguard.com/psirt/FG-IR-18-384