CVE-2019-17023

 

Published at: - 08-01-2020 11:15

Last modified: - 27-01-2023 07:24

Total changes: - 3

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.

Common Vulnerability Scoring System (CVSS)

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N

 

Verification logic

 

Reference

• https://bugzilla.mozilla.org/show_bug.cgi?id=1590001
• https://www.mozilla.org/security/advisories/mfsa2020-01/
• USN-4234-1-Third Party Advisory
• USN-4397-1-Third Party Advisory
• DSA-4726-Third Party Advisory

 

Keywords

NVD

 

CVE-2019-17023

 

CVE

 

Common vulnerabilities & exposures

 

CVSS

 

Common vulnerability scoring system

 

Security

 

Vulnerabilities

 

Exposures