Improper authorization in Fortinet FortiProxy



Published: 2021-06-01
Risk High
Patch available YES
Number of vulnerabilities 1
CVE ID CVE-2018-13382
CWE ID CWE-285
Exploitation vector Network
Public exploit Public exploit code for vulnerability #1 is available.
Vulnerable software
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FortiProxy
Hardware solutions / Routers & switches, VoIP, GSM, etc

Vendor Fortinet, Inc

Security Advisory

This security advisory describes one high risk vulnerability.

1) Improper Authorization

Risk: High

CVSSv3.1: 7.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:L/E:P/RL:O/RC:C] [PCI]

CVE-ID: CVE-2018-13382

CWE-ID: CWE-285 - Improper Authorization

Exploit availability: Yes

Description

The vulnerability allows a remote attacker to bypass authorization.

The vulnerability exists due to unspecified error within the SSL VPN web portal when processing HTTP requests. A remote non-authenticated attacker can send a specially crafted HTTP request to the SSL VPN web portal and change password for arbitrary account.

Successful exploitation of the vulnerability may allow an attacker to login to the SSL VPN web portal with a new password and gain unauthorized access to network resources.

Mitigation

Install update from vendor's website.

Vulnerable software versions

FortiProxy: 1.0.0, 1.0.1, 1.0.2, 1.0.3, 1.0.4, 1.0.5, 1.0.6, 1.0.7, 1.1.0, 1.1.1, 1.1.2, 1.1.3, 1.1.4, 1.1.5, 1.1.6, 1.2.0, 1.2.1, 1.2.2, 1.2.3, 1.2.4, 1.2.5, 1.2.6, 1.2.7, 1.2.8, 2.0.0

CPE External links

https://www.fortiguard.com/psirt/FG-IR-20-231

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected device in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability. However, proof of concept for this vulnerability is available.



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