CVE-2019-17023

NameCVE-2019-17023
DescriptionAfter 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.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
ReferencesDSA-4726-1

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
firefox (PTS)sid124.0.1-1fixed
nss (PTS)jessie, jessie (lts)2:3.26-1+debu8u18fixed
stretch (security)2:3.26.2-1.1+deb9u5fixed
stretch (lts), stretch2:3.26.2-1.1+deb9u7fixed
buster2:3.42.1-1+deb10u5fixed
buster (security)2:3.42.1-1+deb10u8fixed
bullseye (security), bullseye2:3.61-1+deb11u3fixed
bookworm2:3.87.1-1fixed
sid, trixie2:3.99-1fixed

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
firefoxsource(unstable)72.0-1
nsssourcewheezy(not affected)
nsssourcejessie(not affected)
nsssourcestretch(not affected)
nsssourcebuster2:3.42.1-1+deb10u3DSA-4726-1
nsssource(unstable)2:3.49-1

Notes

[stretch] - nss <not-affected> (Vulnerable code was introduced later)
[jessie] - nss <not-affected> (Vulnerable code was introduced later)
https://www.mozilla.org/en-US/security/advisories/mfsa2020-01/#CVE-2019-17023
https://hg.mozilla.org/projects/nss/rev/d64102b76a437f24d98a20480dcc9f1655143e7c
https://hg.mozilla.org/projects/nss/rev/8a2bd40e7f89a796cf24a0ff7cfb67c6e69c5c78
[wheezy] - nss <not-affected> (Vulnerable code was introduced later)

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