CVE-2018-12384

NameCVE-2018-12384
DescriptionWhen handling a SSLv2-compatible ClientHello request, the server doesn't generate a new random value but sends an all-zero value instead. This results in full malleability of the ClientHello for SSLv2 used for TLS 1.2 in all versions prior to NSS 3.39. This does not impact TLS 1.3.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
Debian Bugs908332

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
nss (PTS)jessie, jessie (lts)2:3.26-1+debu8u18vulnerable
stretch (security)2:3.26.2-1.1+deb9u5vulnerable
stretch (lts), stretch2:3.26.2-1.1+deb9u7vulnerable
buster (security), buster, buster (lts)2:3.42.1-1+deb10u8fixed
bullseye (security), bullseye2:3.61-1+deb11u3fixed
bookworm2:3.87.1-1fixed
sid, trixie2:3.105-2fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
nsssource(unstable)2:3.39-1low908332

Notes

[stretch] - nss <postponed> (Minor issue, can be fixed along in future DSA)
[jessie] - nss <postponed> (Minor issue, can be fixed along in future DSA)
https://hg.mozilla.org/projects/nss/rev/2ed9f6afd84e (NSS_3_39_BRANCH)
https://hg.mozilla.org/projects/nss/rev/46f9a1f40c3d (NSS_3_36_BRANCH)
https://bugzilla.mozilla.org/show_bug.cgi?id=1483128
https://bugzilla.redhat.com/show_bug.cgi?id=1622089
[wheezy] - nss <postponed> (Minor issue, can be fixed along in future DSA)

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