CVE-2018-21029

NameCVE-2018-21029
Description** DISPUTED ** systemd 239 through 244 accepts any certificate signed by a trusted certificate authority for DNS Over TLS. Server Name Indication (SNI) is not sent, and there is no hostname validation with the GnuTLS backend. NOTE: This has been disputed by the developer as not a vulnerability since hostname validation does not have anything to do with this issue (i.e. there is no hostname to be sent).
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more)
NVD severityhigh

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
systemd (PTS)stretch232-25+deb9u12fixed
stretch (security)232-25+deb9u11fixed
buster241-7~deb10u4fixed
bullseye245.6-1fixed
sid245.6-2fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
systemdsource(unstable)244-1low
systemdsourcebuster(not affected)
systemdsourcejessie(not affected)
systemdsourcestretch(not affected)

Notes

[buster] - systemd <not-affected> (Only affected v243)
[stretch] - systemd <not-affected> (Only affected v243)
[jessie] - systemd <not-affected> (Only affected v243)
https://github.com/systemd/systemd/issues/9397

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