CVE-2019-15703
CVSS V2 Low 2.6
CVSS V3 High 7.5
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.
Overview
- CVE ID
- CVE-2019-15703
- Assigner
- psirt@fortinet.com
- Vulnerability Status
- Analyzed
- Published Version
- 2019-10-24T14:15:11
- Last Modified Date
- 2022-03-31T17:53:21
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:o:fortinet:fortios:*:*:*:*:*:*:*:* | 1 | OR | 5.6.9 | |
| cpe:2.3:o:fortinet:fortios:*:*:*:*:*:*:*:* | 1 | OR | 6.0.0 | 6.0.9 |
| cpe:2.3:o:fortinet:fortios:*:*:*:*:*:*:*:* | 1 | OR | 6.2.0 | 6.2.3 |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:N/AC:H/Au:N/C:P/I:N/A:N
- Access Vector
- NETWORK
- Access Compatibility
- HIGH
- Authentication
- NONE
- Confidentiality Impact
- PARTIAL
- Integrity Impact
- NONE
- Availability Impact
- NONE
- Base Score
- 2.6
- Severity
- LOW
- Exploitability Score
- 4.9
- Impact Score
- 2.9
CVSS Version 3
- Version
- 3.1
- Vector String
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- Attack Vector
- NETWORK
- Attack Compatibility
- LOW
- Privileges Required
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality Impact
- HIGH
- Availability Impact
- NONE
- Base Score
- 7.5
- Base Severity
- HIGH
- Exploitability Score
- 3.9
- Impact Score
- 3.6
References
| Reference URL | Reference Tags |
|---|---|
| https://fortiguard.com/psirt/FG-IR-19-186 | Vendor Advisory |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2019-15703 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-15703 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-04-04 00:39:29 | Added to TrackCVE | |||
| 2022-12-04 04:57:41 | 2019-10-24T14:15Z | 2019-10-24T14:15:11 | CVE Published Date | updated |
| 2022-12-04 04:57:41 | 2022-03-31T17:53:21 | CVE Modified Date | updated | |
| 2022-12-04 04:57:41 | Analyzed | Vulnerability Status | updated |