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Fortinet FortiOS: Insufficient Entropy (CVE-2019-15703)

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Fortinet FortiOS: Insufficient Entropy (CVE-2019-15703)

Severity
3
CVSS
(AV:N/AC:H/Au:N/C:P/I:N/A:N)
Published
10/24/2019
Created
11/08/2019
Added
11/07/2019
Modified
04/04/2022

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.

Solution(s)

  • fortios-upgrade-6_0_9
  • fortios-upgrade-6_2_3

References

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