Privilege Escalation Vulnerability in Fortinet FortiClient Windows
CVE-2017-7344

8.1HIGH

Key Information:

Vendor

Fortinet
Status
Forticlientwindows
Vendor
CVE Published:
14 December 2017

What is CVE-2017-7344?

The vulnerability allows an attacker to escalate their privileges on Windows systems running vulnerable versions of Fortinet FortiClient. When the 'VPN before logon' feature is enabled, an untrusted certificate chain can trigger the Windows 'security alert' dialog, enabling malicious actors to exploit this behavior. This scenario can lead to unauthorized access to system-level privileges, posing significant security risks to affected environments.

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Affected Version(s)

FortiClientWindows 5.6.0, 5.4.3, 5.4.2, 5.4.1, 5.4.0

References

https://securite.intrinsec.com/2017/12/22/cve-2017-7344-f...
x_refsource_MISC
http://www.securityfocus.com/bid/102176
vdb-entryx_refsource_BID
https://fortiguard.com/advisory/FG-IR-17-070
x_refsource_CONFIRM

CVSS V3.1

Score:
8.1
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
High
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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