CVE-2018-9195

FortiOS 6.0.6 / FortiClientWindows 6.0.6 / FortiClientMac 6.2.1 XOR Encryption

Severity Score

5.9

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

Track

*SSVC

Descriptions

Use of a hardcoded cryptographic key in the FortiGuard services communication protocol may allow a Man in the middle with knowledge of the key to eavesdrop on and modify information (URL/SPAM services in FortiOS 5.6, and URL/SPAM/AV services in FortiOS 6.0.; URL rating in FortiClient) sent and received from Fortiguard severs by decrypting these messages. Affected products include FortiClient for Windows 6.0.6 and below, FortiOS 6.0.7 and below, FortiClient for Mac OS 6.2.1 and below.

El uso de una clave criptográfica codificada en el protocolo de comunicación de servicios FortiGuard puede permitir que un Hombre en el medio con conocimiento de la clave escuche y modifique información (servicios URL / SPAM en FortiOS 5.6 y servicios URL / SPAM / AV en FortiOS 6.0). ; Clasificación de URL en FortiClient) enviado y recibido de los servidores de Fortiguard al descifrar estos mensajes. Los productos afectados incluyen FortiClient para Windows 6.0.6 y versiones anteriores, FortiOS 6.0.7 y versiones anteriores , FortiClient para Mac OS 6.2.1 y versiones anteriores.

Fortinet products, including FortiGate and Forticlient, regularly send information to Fortinet servers using XOR "encryption" with a static key. FortiClientWindows versions 6.0.6 and below, and FortiClientMac versions 6.2.1 and below. After this advisory was released, Fortinet has confirmed that only FortiOS version 6.2.0 includes the patch.

*Credits: N/A

Attack Vector

Network

Attack Complexity

High

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

Attack Vector

Network

Attack Complexity

Medium

Authentication

None

Confidentiality

Partial

Integrity

None

Availability

None

* Common Vulnerability Scoring System

SSVC

Decision:Track

Exploitation

None

Automatable

Tech. Impact

Partial

* Organization's Worst-case Scenario

Timeline

2018-04-02 CVE Reserved
2019-11-21 CVE Published
2023-03-07 EPSS Updated
2024-10-25 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-798: Use of Hard-coded Credentials

CAPEC

References (1)

URL	Tag	Source
https://fortiguard.com/advisory/FG-IR-18-100	Third Party Advisory

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Fortinet Search vendor "Fortinet"		Forticlient Search vendor "Fortinet" for product "Forticlient"				<= 6.0.6 Search vendor "Fortinet" for product "Forticlient" and version " <= 6.0.6"		windows		Affected
Fortinet Search vendor "Fortinet"		Forticlient Search vendor "Fortinet" for product "Forticlient"				<= 6.2.1 Search vendor "Fortinet" for product "Forticlient" and version " <= 6.2.1"		macos		Affected
Fortinet Search vendor "Fortinet"		Fortios Search vendor "Fortinet" for product "Fortios"				<= 6.0.6 Search vendor "Fortinet" for product "Fortios" and version " <= 6.0.6"		-		Affected