CVE-2021-40085

NameCVE-2021-40085
DescriptionAn issue was discovered in OpenStack Neutron before 16.4.1, 17.x before 17.2.1, and 18.x before 18.1.1. Authenticated attackers can reconfigure dnsmasq via a crafted extra_dhcp_opts value.
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
Debian Bugs993398

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
neutron (PTS)stretch (security), stretch2:9.1.1-3+deb9u1vulnerable
buster2:13.0.2-15vulnerable
bullseye2:17.1.1-6vulnerable
bookworm, sid2:18.1.0-3fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
neutronsource(unstable)2:18.1.0-3993398

Notes

https://www.openwall.com/lists/oss-security/2021/08/31/2
https://launchpad.net/bugs/1939733

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