CVE-2019-15703

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 v3 7.5 HIGH
CVSS v2.0 2.6 LOW

7.5^/10

CVSS v3 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

2.6^/10

CVSS v2.0 : LOW

Vector : AV:N/AC:H/Au:N/C:P/I:N/A:N

Exploitability : 4.9 / Impact : 2.9

Access Vector NETWORK

Access Complexity HIGH

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact NONE

Availability Impact NONE

References

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

Configurations

Configuration 1 (hide)

OR	cpe:2.3:o:fortinet:fortios::::::::
	cpe:2.3:o:fortinet:fortios::::::::
	cpe:2.3:o:fortinet:fortios::::::::

History

21 Nov 2024, 04:29

Type	Values Removed	Values Added
References	~~() https://fortiguard.com/psirt/FG-IR-19-186 - Vendor Advisory~~	() https://fortiguard.com/psirt/FG-IR-19-186 - Vendor Advisory

Information

Published : 2019-10-24 14:15

Updated : 2024-11-21 04:29

NVD link : CVE-2019-15703

Mitre link : CVE-2019-15703

CVE.ORG link : CVE-2019-15703

JSON object : View

Products Affected

fortinet

fortios

CWE

CWE-331

Insufficient Entropy

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