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AUSCERT External Security Bulletin Redistribution
ESB-2021.4022
FortiClientWindows & FortiClient EMS - Privilege escalation
via DLL Hijacking
30 November 2021
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AusCERT Security Bulletin Summary
---------------------------------
Product: FortiClientWindows
FortiClientEMS
Operating System: Windows
Network Appliance
Impact/Access: Execute Arbitrary Code/Commands -- Unknown/Unspecified
Resolution: Patch/Upgrade
CVE Names: CVE-2021-32592
Original Bulletin:
https://www.fortiguard.com/psirt/FG-IR-21-088
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FortiClientWindows & FortiClient EMS - Privilege escalation via DLL Hijacking
IR Number : FG-IR-21-088
Date : Nov 29, 2021
Risk : 4/5
CVSSv3 Score : 7.6
Impact : Execute unauthorized code or commands
CVE ID : CVE-2021-32592
Affected Products: FortiClientWindows: 7.0.0, 6.4.6, 6.4.5, 6.4.4, 6.4.3, 6.4.2, 6.4.1, 6.4.0, 6.2.9, 6.2.8, 6.2.7, 6.2.6, 6.2.5, 6.2.4, 6.2.3, 6.2.2, 6.2.1, 6.2.0, 6.0.9, 6.0.8, 6.0.7, 6.0.6, 6.0.5, 6.0.4, 6.0.3, 6.0.2, 6.0.10, 6.0.1, 6.0.0
FortiClientEMS: 7.0.0, 6.4.4, 6.4.3, 6.4.2, 6.4.1, 6.4.0, 6.2.9, 6.2.8, 6.2.7, 6.2.6, 6.2.4, 6.2.3, 6.2.2, 6.2.1, 6.2.0, 6.0.8, 6.0.6, 6.0.5, 6.0.4, 6.0.3, 6.0.2, 6.0.1, 6.0.0
Summary
An unsafe search path vulnerability in FortiClient and FortiClient EMS may
allow an attacker to perform a DLL Hijack attack on affected devices via a
malicious OpenSSL engine library in the search path.
Affected Products
FortiClient 7.0.0
FortiClient 6.4.6 and below.
FortiClient 6.2.x.
FortiClient 6.0.x.
FortiClient EMS 7.0.0
FortiClient EMS 6.4.6 and below.
FortiClient EMS 6.2.x.
FortiClient EMS 6.0.x.
Solutions
Please upgrade to FortiClient 7.0.1 or above.
Please upgrade to FortiClient 6.4.7 or above.
Please upgrade to FortiClient EMS 7.0.1 or above.
Please upgrade to FortiClient EMS 6.4.7 or above.
Acknowledgement
Fortinet is pleased to thank independent researcher AmeenBasha M K, and Ammarit
Thongthua and Sumedt Jitpukdebodin of Secure D Research team, for reporting
this vulnerability under responsible disclosure.
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