Fortinet FortiClient Online Installer up to 6.0.5 on Windows DLL Loader FortiClientOnlineInstaller.exe Search Path untrusted search path

CVSS Meta Temp Score
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CTI Interest Score
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7.2$0-$5k0.00

Summaryinfo

A vulnerability labeled as critical has been found in Fortinet FortiClient Online Installer up to 6.0.5 on Windows. The impacted element is an unknown function of the file FortiClientOnlineInstaller.exe of the component DLL Loader. Executing a manipulation as part of Search Path can lead to untrusted search path. This vulnerability is registered as CVE-2019-5589. It is possible to launch the attack remotely. No exploit is available. The affected component should be upgraded.

Detailsinfo

A vulnerability has been found in Fortinet FortiClient Online Installer up to 6.0.5 on Windows and classified as critical. This vulnerability affects an unknown part of the file FortiClientOnlineInstaller.exe of the component DLL Loader. The manipulation as part of a Search Path leads to a untrusted search path vulnerability. The CWE definition for the vulnerability is CWE-426. The product searches for critical resources using an externally-supplied search path that can point to resources that are not under the product's direct control. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

An Unsafe Search Path vulnerability in FortiClient Online Installer (Windows version before 6.0.6) may allow an unauthenticated, remote attacker with control over the directory in which FortiClientOnlineInstaller.exe resides to execute arbitrary code on the system via uploading malicious .dll files in that directory.

The bug was discovered 05/16/2019. The weakness was published 05/28/2019 (Website). The advisory is available at fortiguard.com. This vulnerability was named CVE-2019-5589 since 01/07/2019. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Technical details are known, but there is no available exploit. This vulnerability is assigned to T1574 by the MITRE ATT&CK project.

The vulnerability was handled as a non-public zero-day exploit for at least 12 days. During that time the estimated underground price was around $0-$5k.

Upgrading to version 6.0.6 eliminates this vulnerability.

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Productinfo

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 7.4

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Untrusted search path
CWE: CWE-426
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: FortiClient Online Installer 6.0.6

Timelineinfo

01/07/2019 🔍
05/16/2019 +129 days 🔍
05/28/2019 +12 days 🔍
05/29/2019 +1 days 🔍
06/16/2020 +384 days 🔍

Sourcesinfo

Vendor: fortinet.com

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

CVE: CVE-2019-5589 (🔍)
GCVE (CVE): GCVE-0-2019-5589
GCVE (VulDB): GCVE-100-135670
OSVDB: - Fortinet FortiClient for Windows DLL code execution

Entryinfo

Created: 05/29/2019 08:22
Updated: 06/16/2020 20:21
Changes: 05/29/2019 08:22 (62), 06/16/2020 20:21 (1)
Complete: 🔍
Cache ID: 216::103

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