CVE-2018-6764

NameCVE-2018-6764
Descriptionutil/virlog.c in libvirt does not properly determine the hostname on LXC container startup, which allows local guest OS users to bypass an intended container protection mechanism and execute arbitrary commands via a crafted NSS module.
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 severitymedium (attack range: local)
Debian Bugs889839

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
libvirt (PTS)jessie (security), jessie1.2.9-9+deb8u5fixed
stretch (security), stretch3.0.0-4+deb9u3fixed
buster4.7.0-1fixed
sid4.10.0-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
libvirtsource(unstable)4.0.0-2medium889839
libvirtsourcejessie(not affected)
libvirtsourcestretch3.0.0-4+deb9u3medium
libvirtsourcewheezy(not affected)

Notes

[jessie] - libvirt <not-affected> (Vulnerable code introduced later in 1.3.1)
[wheezy] - libvirt <not-affected> (Vulnerable code introduced later in 1.3.1)
https://bugzilla.redhat.com/show_bug.cgi?id=1541444
introduced-by https://libvirt.org/git/?p=libvirt.git;a=commit;h=759b4d1b0fe5f4d84d98b99153dfa7ac289dd167

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