Descriptionapi/metadata/ in OpenStack Compute (Nova) before 2013.2.4, 2014.x before 2014.1.2, and Juno before Juno-2, when proxying metadata requests through Neutron, makes it easier for remote attackers to guess instance ID signatures via a brute-force attack that relies on timing differences in responses to instance metadata requests.
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: remote)
Debian Bugs755042

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
nova (PTS)wheezy2012.1.1-18fixed
stretch (security), stretch2:14.0.0-4+deb9u1fixed
buster, sid2:17.0.0-2fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
novasourcewheezy(not affected)


[wheezy] - nova <not-affected> (Only exploitable when used with neutron, which is not in stable)

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