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             AUSCERT External Security Bulletin Redistribution

                               ESB-2019.1785
                  FortiClient DLL Hijacking Vulnerability
                                17 May 2019

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        AusCERT Security Bulletin Summary
        ---------------------------------

Product:           FortiClient for Windows
Publisher:         Fortinet
Operating System:  Windows
Impact/Access:     Execute Arbitrary Code/Commands -- Remote/Unauthenticated
Resolution:        Patch/Upgrade
CVE Names:         CVE-2019-5589  

Original Bulletin: 
   https://fortiguard.com/psirt/FG-IR-19-060

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FortiClient DLL Hijacking Vulnerability

IR Number : FG-IR-19-060

Date      : May 16, 2019

Risk      : 4/5

Impact    : Unauthorized code execution.

CVE ID    : CVE-2019-5589

Summary

An Unsafe Search Path vulnerability in FortiClient Online Installer 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.

Impact

Unauthorized code execution.

Affected Products

FortiClient for Windows below 6.0.6.

Solutions

Upgrade to FortiClient for Windows version 6.0.6 or later.

Acknowledgement

Fortinet is pleased to thank Honc (honcbb@gmail.com) for reporting this
vulnerability under responsible disclosure.

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===========================================================================
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