Rewterz Threat Advisory – CVE-2018-9195 – Hardcoded Cryptographic Key in the FortiGuard Services Communication Protocol Information Disclosure Vulnerability

Severity

High

Analysis Summary

Use of a hardcoded cryptographic key in the FortiGuard services communication protocol may allow a Man in the middle with knowledge of the key to eavesdrop on and modify information (URL/SPAM services in FortiOS 5.6, and URL/SPAM/AV services in FortiOS 6.0.; URL rating in FortiClient) sent and received from Fortiguard severs by decrypting these messages.

Impact

Information disclosure

Affected Vendors

FortiGuard

Affected Products

• FortiOS 6.0.6 and below
• FortiClientWindows 6.0.6 and below
• FortiClientMac 6.2.1 and below

Remediation

Update to version:

• Upgrade to FortiOS 6.0.7 or 6.2.0
• Upgrade to FortiClientWindows 6.2.0
• Upgrade to FortiClientMac 6.2.2