CVE-2019-15703

Summary

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.

Affected Software

VendorProductVersion RangeStatus
FortinetFortinet FortiOS6.2.1affected
FortinetFortinet FortiOS6.2.0affected
FortinetFortinet FortiOS6.0.8 and belowaffected

Weaknesses

  • Information disclosure

ADP Enrichment

CVE Program Container

Additional References

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: yes
    • Technical Impact: partial

References