VDB-130680 · CVE-2018-9190 · GCVE-0-2018-9190

Fortinet FortiClient up to 6.0.2 on Windows NDIS Miniport Driver null pointer dereference

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
5.5	$0-$5k	0.00

Summaryinfo

A vulnerability was found in Fortinet FortiClient up to 6.0.2 on Windows and classified as problematic. Affected by this vulnerability is an unknown functionality of the component NDIS Miniport Driver. The manipulation results in null pointer dereference. This vulnerability is known as CVE-2018-9190. Attacking locally is a requirement. No exploit is available.

Detailsinfo

A vulnerability classified as problematic has been found in Fortinet FortiClient up to 6.0.2 on Windows. Affected is an unknown code of the component NDIS Miniport Driver. The manipulation with an unknown input leads to a null pointer dereference vulnerability. CWE is classifying the issue as CWE-476. A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. This is going to have an impact on availability. CVE summarizes:

A null pointer dereference vulnerability in Fortinet FortiClientWindows 6.0.2 and earlier allows attacker to cause a denial of service via the NDIS miniport driver.

The bug was discovered 01/11/2019. The weakness was published 02/08/2019 (Website). The advisory is shared for download at fortiguard.com. This vulnerability is traded as CVE-2018-9190 since 04/02/2018. The exploitability is told to be easy. The attack needs to be approached locally. The exploitation doesn't require any form of authentication. There are neither technical details nor an exploit publicly available.

The vulnerability was handled as a non-public zero-day exploit for at least 28 days. During that time the estimated underground price was around $0-$5k.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Vendor

Fortinet

Name

FortiClient

Version

License

free

Website

Vendor: https://www.fortinet.com/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.5

VulDB Base Score: 5.5
VulDB Temp Score: 5.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.5
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Null pointer dereference
CWE: CWE-476 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

04/02/2018 🔍
01/11/2019 +284 days 🔍
02/08/2019 +28 days 🔍
02/09/2019 +1 days 🔍
05/12/2022 +1188 days 🔍

Sourcesinfo

Vendor: fortinet.com

Advisory: fortiguard.com
Status: Not defined
Confirmation: 🔍

CVE: CVE-2018-9190 (🔍)
GCVE (CVE): GCVE-0-2018-9190
GCVE (VulDB): GCVE-100-130680

Entryinfo

Created: 02/09/2019 10:32
Updated: 05/12/2022 12:27
Changes: 02/09/2019 10:32 (55), 05/09/2020 12:22 (2), 05/12/2022 12:27 (3)
Complete: 🔍
Cache ID: 216::103