CVE-2018-21029

Name	CVE-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).
Source	CVE (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 severity	high

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
systemd (PTS)	stretch	232-25+deb9u12	fixed
	stretch (security)	232-25+deb9u11	fixed
	buster	241-7~deb10u4	fixed
	bullseye	245.6-1	fixed
	sid	245.6-2	fixed

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

Package	Type	Release	Fixed Version	Urgency
systemd	source	(unstable)	244-1	low
systemd	source	buster	(not affected)
systemd	source	jessie	(not affected)
systemd	source	stretch	(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