CVE-2019-15703

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.

Risk Information

Base Score
7.5
MODERATE
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
EPSS Score
Exploitation Probability
0.3

Associated Vulnerability

VulnerabilityOS Platform
Vulnerabilities CVE-2019-15703 ,CVE-2019-15705 ,CVE-2019-6696 are affected in fortios 6.2.1NCM
Insufficient Entropy Vulnerability (CVE-2019-15703)NCM

Patch Details

No records found

References

https://nvd.nist.gov/vuln/detail/CVE-2023-1234
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-1234