CVE-2019-17023

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.

Scores

Weaknesses (CWE)

• CWE-287

European references

• ENISA EUVD · EUVD-2019-7497
• GCVE · GCVE-0-2019-17023

CERT-FR advisories

• CERTFR-2024-AVI-1103 — Multiples vulnérabilités dans les produits IBM · cert.ssi.gouv.fr
• CERTFR-2024-AVI-0575 — Multiples vulnérabilités dans les produits Juniper Networks · cert.ssi.gouv.fr
• CERTFR-2022-AVI-267 — Multiples vulnérabilités dans Juniper Networks Junos Space · cert.ssi.gouv.fr
• CERTFR-2020-AVI-012 — Multiples vulnérabilités dans Mozilla Firefox · cert.ssi.gouv.fr

Affected configurations (NVD CPE)

• cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:* < 72.0
• cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*
• cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*
• cpe:2.3:o:canonical:ubuntu_linux:19.04:*:*:*:*:*:*:*
• cpe:2.3:o:canonical:ubuntu_linux:19.10:*:*:*:*:*:*:*
• cpe:2.3:o:canonical:ubuntu_linux:20.04:*:*:*:lts:*:*:*
• cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*

Affected products

References

• https://bugzilla.mozilla.org/show_bug.cgi?id=1590001
• https://www.mozilla.org/security/advisories/mfsa2020-01/
• https://usn.ubuntu.com/4234-1/
• https://usn.ubuntu.com/4397-1/
• https://www.debian.org/security/2020/dsa-4726

Sources