CVE-2019-17023
CVSS V2 Medium 4.3
CVSS V3 Medium 6.5
Description
After a HelloRetryRequest has been sent, the client may negotiate a lower protocol that TLS 1.3, resulting in an invalid state transition in the TLS State Machine. If the client gets into this state, incoming Application Data records will be ignored. This vulnerability affects Firefox < 72.
Overview
- CVE ID
- CVE-2019-17023
- Assigner
- security@mozilla.org
- Vulnerability Status
- Analyzed
- Published Version
- 2020-01-08T22:15:12
- Last Modified Date
- 2023-01-27T18:24:03
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:* | 1 | OR | 72.0 | |
| cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:* | 1 | OR | ||
| cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:* | 1 | OR | ||
| cpe:2.3:o:canonical:ubuntu_linux:19.04:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:canonical:ubuntu_linux:19.10:*:*:*:*:*:*:* | 1 | OR |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:N/AC:M/Au:N/C:N/I:P/A:N
- Access Vector
- NETWORK
- Access Compatibility
- MEDIUM
- Authentication
- NONE
- Confidentiality Impact
- NONE
- Integrity Impact
- PARTIAL
- Availability Impact
- NONE
- Base Score
- 4.3
- Severity
- MEDIUM
- Exploitability Score
- 8.6
- Impact Score
- 2.9
CVSS Version 3
- Version
- 3.1
- Vector String
- CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
- Attack Vector
- NETWORK
- Attack Compatibility
- LOW
- Privileges Required
- NONE
- User Interaction
- REQUIRED
- Scope
- UNCHANGED
- Confidentiality Impact
- NONE
- Availability Impact
- NONE
- Base Score
- 6.5
- Base Severity
- MEDIUM
- Exploitability Score
- 2.8
- Impact Score
- 3.6
References
| Reference URL | Reference Tags |
|---|---|
| https://bugzilla.mozilla.org/show_bug.cgi?id=1590001 | Permissions Required |
| https://www.mozilla.org/security/advisories/mfsa2020-01/ | Vendor Advisory |
| https://usn.ubuntu.com/4234-1/ | Third Party Advisory |
| https://usn.ubuntu.com/4397-1/ | |
| https://www.debian.org/security/2020/dsa-4726 |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2019-17023 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-17023 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 16:40:33 | Added to TrackCVE | |||
| 2022-12-04 09:10:22 | 2020-01-08T22:15Z | 2020-01-08T22:15:12 | CVE Published Date | updated |
| 2022-12-04 09:10:22 | 2020-07-18T16:15:10 | CVE Modified Date | updated | |
| 2022-12-04 09:10:22 | Undergoing Analysis | Vulnerability Status | updated | |
| 2023-01-27 20:10:26 | 2023-01-27T18:24:03 | CVE Modified Date | updated | |
| 2023-01-27 20:10:26 | Undergoing Analysis | Analyzed | Vulnerability Status | updated |