National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2019-15703 Detail

Current Description

An Insufficient Entropy in PRNG vulnerability in Fortinet FortiOS 6.2.1 and below for device not enable hardware TRNG token and models not support builtin TRNG seed allows attacker to theoretically recover the long term ECDSA secret in a TLS client with a RSA handshake and mutual ECDSA authentication via the help of flush+reload side channel attacks in FortiGate VM models only.

Source:  MITRE
View Analysis Description

Severity



CVSS 3.x Severity and Metrics:

NIST CVSS score
NIST: NVD
Base Score: 7.5 HIGH
Vector:  CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

References to Advisories, Solutions, and Tools

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Hyperlink Resource
https://fortiguard.com/psirt/FG-IR-19-186 Vendor Advisory

Weakness Enumeration

CWE-ID CWE Name Source
CWE-331 Insufficient Entropy NIST  

Known Affected Software Configurations Switch to CPE 2.2

Configuration 1 ( hide )
 cpe:2.3:o:fortinet:fortios:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
Up to (including)
6.2.1


Change History

1 change record found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2019-15703
NVD Published Date:
10/24/2019
NVD Last Modified:
11/05/2019