Oracle Linux: CVE-2019-17023: ELSA-2020-4076: nss and nspr security, bug fix, and enhancement update (MODERATE) (Multiple Advisories)
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. A protocol downgrade flaw was found in Network Security Services (NSS). After a HelloRetryRequest has been sent, the client may negotiate a lower protocol than 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.
Solution(s)
- oracle-linux-upgrade-nspr
- oracle-linux-upgrade-nspr-devel
- oracle-linux-upgrade-nss
- oracle-linux-upgrade-nss-devel
- oracle-linux-upgrade-nss-pkcs11-devel
- oracle-linux-upgrade-nss-softokn
- oracle-linux-upgrade-nss-softokn-devel
- oracle-linux-upgrade-nss-softokn-freebl
- oracle-linux-upgrade-nss-softokn-freebl-devel
- oracle-linux-upgrade-nss-sysinit
- oracle-linux-upgrade-nss-tools
- oracle-linux-upgrade-nss-util
- oracle-linux-upgrade-nss-util-devel
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