CVE-2019-15703 — Insufficient Entropy in Fortinet Fortios

CWE-331 — Insufficient Entropy4 documents4 sources
Severity
7.5HIGHNVD
EPSS
0.3%
top 46.58%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Fortinet FortiosFortinet Fortios
Timeline
PublishedOct 24
Latest updateMay 24

Description

An Insufficient Entropy in PRNG vulnerability in Fortinet FortiOS 6.2.1, 6.2.0, 6.0.8 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.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:NExploitability: 3.9 | Impact: 3.6

Affected Packages2 packages

▶NVDfortinet/fortios6.0.0 — 6.0.9+2
▶CVEListV5fortinet/fortinet_fortios6.0.8 and below, 6.2.0, 6.2.1+2

🔴Vulnerability Details

2
GHSA
GHSA-rwg7-vwhm-3x8j: An Insufficient Entropy in PRNG vulnerability in Fortinet FortiOS 6↗2022-05-24
▶
CVEList
CVE-2019-15703: An Insufficient Entropy in PRNG vulnerability in Fortinet FortiOS 6↗2019-10-24
▶

📋Vendor Advisories

1
Fortinet
An Insufficient Entropy in PRNG vulnerability in Fortinet FortiOS 6.2.1, 6.2.0, 6.0.8 and below for device not enable ha...↗2019-10-24
▶
CVE-2019-15703 — Insufficient Entropy in Fortinet | cvebase