DescriptionIn LXC 2.0, many template scripts download code over cleartext HTTP, and omit a digital-signature check, before running it to bootstrap containers.
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
Debian Bugs988730

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
lxc (PTS)stretch1:2.0.7-2+deb9u2vulnerable
bullseye, sid1:4.0.6-2fixed
lxc-templates (PTS)buster3.0.4-0+deb10u1vulnerable
bullseye, sid3.0.4-5vulnerable

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs


[bullseye] - lxc-templates <ignored> (Minor issue)
[buster] - lxc-templates <ignored> (Minor issue)
[stretch] - lxc <no-dsa> (Minor issue)
[jessie] - lxc <ignored> (
LXC 3.0.2 split the templates out to separate lxc-templates.
Some of the templates were switched to fetch the pacakges over HTTPS, cf. for the lxc-fedora template.

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