Red Hat: CVE-2019-17023: CVE-2019-17023 nss: TLS 1.3 HelloRetryRequest downgrade request sets client into invalid state (Multiple Advisories)
4
(AV:N/AC:M/Au:N/C:N/I:P/A:N)
01/08/2020
08/05/2020
08/04/2020
12/15/2023
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.
Solution(s)
- redhat-upgrade-nspr
- redhat-upgrade-nspr-debuginfo
- redhat-upgrade-nspr-debugsource
- redhat-upgrade-nspr-devel
- redhat-upgrade-nss
- redhat-upgrade-nss-debuginfo
- redhat-upgrade-nss-debugsource
- redhat-upgrade-nss-devel
- redhat-upgrade-nss-pkcs11-devel
- redhat-upgrade-nss-softokn
- redhat-upgrade-nss-softokn-debuginfo
- redhat-upgrade-nss-softokn-devel
- redhat-upgrade-nss-softokn-freebl
- redhat-upgrade-nss-softokn-freebl-debuginfo
- redhat-upgrade-nss-softokn-freebl-devel
- redhat-upgrade-nss-sysinit
- redhat-upgrade-nss-sysinit-debuginfo
- redhat-upgrade-nss-tools
- redhat-upgrade-nss-tools-debuginfo
- redhat-upgrade-nss-util
- redhat-upgrade-nss-util-debuginfo
- redhat-upgrade-nss-util-devel
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