SB2019051603 - Insecure DLL loading in Fortinet FortiClient
Published: May 16, 2019
Security Bulletin ID
SB2019051603
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Insecure DLL loading (CVE-ID: CVE-2019-5589)
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to the application loads DLL libraries in an insecure manner during installation, when FortiClientOnlineInstaller.exe is executed. A remote attacker can place a specially crafted .dll file on a remote SMB fileshare, trick the victim into executing the FortiClientOnlineInstaller.exe file from the share and execute arbitrary code on victim's system.
Remediation
Install update from vendor's website.