Fortinet Forticlient Security Update
Date: 14 December 2017
The purpose of this advisory is to bring attention to an update for Fortinet’s FortiClient endpoint protection.
CCIRC is aware of a critical information disclosure vulnerability in Fortinet’s FortiClient. Exploitation of this vulnerability may allow for unwanted disclosure of VPN authentication credentials, allowing a regular user to harvest other user’s encrypted credentials and decrypt them into plaintext using a hard coded key.
- FortiClient for Windows: 5.6.0 and versions below
- FortiClient for Mac OSX 5.6.0 and versions below
- FortiClient SSLVPN Client for Linux 4.4.2334 and versions below
CVE reference: CVE-2017-14184
CCIRC recommends that system administrators test and deploy the vendor-released updates to affected applications accordingly.
- FortiClient for Windows: Upgrade to 5.6.1
- FortiClient for Mac OSX: Upgrade to 5.6.1
- FortiClient SSLVPN Client for Linux: Upgrade to 4.4.2335 released together with FortiOS 5.4.7
Note to Readers
In support of Public Safety's mission to build a safe and resilient Canada, CCIRC's mandate is to help ensure the security and resilience of the vital non-federal government cyber systems that underpin Canada's national security, public safety and economic prosperity. As Canada's computer security incident response team, CCIRC is Canada's national coordination centre for the prevention and mitigation of, preparedness for, response to, and recovery from cyber incidents on non-federal government systems. It does this by providing authoritative advice and support, and coordinating information sharing and incident response.
Please note, CCIRC PGP key has recently been updated.
For general information, please contact Public Safety Canada's Public Affairs division at:
Telephone: 613-944-4875 or 1-800-830-3118
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