Free and open-source vulnerability scanner
Mageni eases for you the vulnerability scanning, assessment, and management process. It is free and open-source.
Install NowAvailable for macOS, Windows, and Linux
FortiGate: RSA-CRT key leak under certain conditions
Information
Severity
Severity
High
Family
Family
FortiOS Local Security Checks
CVSSv2 Base
CVSSv2 Base
7.8
CVSSv2 Vector
CVSSv2 Vector
AV:N/AC:L/Au:N/C:C/I:N/A:N
Solution Type
Solution Type
Vendor Patch
Created
Created
7 years ago
Modified
Modified
5 years ago
Summary
FortiOS now includes for all SSL libraries a countermeasure against Lenstra's fault attack on RSA-CRT optimization when a RSA signature is corrupted.
Affected Software
Affected Software
FortiGate < 5.0.13 / 5.2.6 / 5.4.0 with the SSLVPN web portal feature configured.
Detection Method
Detection Method
Checks if a vulnerable version is present on the target host.
Solution
Solution
Upgrade to FortiOS 5.0.13 / 5.2.6 / 5.4.0 or newer