Vulnerability Monitor

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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.

Published

2019-10-24T14:15:11.003

Last Modified

2024-11-21T04:29:17.510

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 7.5 (HIGH)

CVSSv2 Vector

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

  • Access Vector: NETWORK
  • Access Complexity: HIGH
  • Authentication: NONE
  • Confidentiality Impact: PARTIAL
  • Integrity Impact: NONE
  • Availability Impact: NONE
Exploitability Score

4.9

Impact Score

2.9

Weaknesses
  • Type: Primary
    CWE-331
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Operating System fortinet fortios ≤ 5.6.9 Yes
Operating System fortinet fortios < 6.0.9 Yes
Operating System fortinet fortios < 6.2.3 Yes
References