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CVE-2019-15703

Common vulnerabilities & exposures (CVE)

CVE databaseCVE database blogpostRelease & EoL database
 
Published at: - 24-10-2019 04:15
Last modified: - 31-03-2022 07:53
Total changes: - 3

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.

Common Vulnerability Scoring System (CVSS)

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Low
Attack complexity
Network
Attack vector
None
Availability
High
Confidentiality
None
Integrity
None
Privileges required
Unchanged
Scope
None
User interaction
7.5
Base score
3.9
3.6
Exploitability score
Impact score
 

Verification logic

OR
vendor=fortinet AND product=fortios AND versionEndIncluding=5.6.9
vendor=fortinet AND product=fortios AND versionStartIncluding=6.0.0 AND versionEndExcluding=6.0.9
vendor=fortinet AND product=fortios AND versionStartIncluding=6.2.0 AND versionEndExcluding=6.2.3
 

Reference

 


Keywords

NVD

 

CVE-2019-15703

 

CVE

 

Common vulnerabilities & exposures

 

CVSS

 

Common vulnerability scoring system

 

Security

 

Vulnerabilities

 

Exposures

 

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