CVE-2020-12662

Name
CVE-2020-12662
Description
Unbound before 1.10.1 has Insufficient Control of Network Message Volume, aka an "NXNSAttack" issue. This is triggered by random subdomains in the NSDNAME in NS records.
NVD Severity
medium
Other trackers
CVE, NVD, CERT, CVE Details, CIRCL, Arch Linux, Debian, Red Hat, Ubuntu, Gentoo, SUSE (Bugzilla), SUSE (CVE), Mageia
Mailing lists
oss-security, full-disclosure, bugtraq
Exploits
Exploit DB, Metasploit
Forges
GitHub (code, issues), Aports (code, issues)

References

Type URI
Vendor Advisory https://nlnetlabs.nl/downloads/unbound/CVE-2020-12662_2020-12663.txt
Technical Description http://www.nxnsattack.com
Mailing List http://www.openwall.com/lists/oss-security/2020/05/19/5
Mailing List https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/F5NFROI2OMCZLYRTCNGHGO3TUD32LCIQ/
Third Party Advisory https://www.debian.org/security/2020/dsa-4694
Mailing List https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/YJ42N2HBZ3DXMSEC56SWIIOFQGOS5M7I/
Third Party Advisory https://www.synology.com/security/advisory/Synology_SA_20_12
Third Party Advisory https://usn.ubuntu.com/4374-1/
Mailing List http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00069.html
Mailing List http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00067.html
Third Party Advisory https://security.netapp.com/advisory/ntap-20200702-0006/
Third Party Advisory https://security.FreeBSD.org/advisories/FreeBSD-SA-20:19.unbound.asc
Mailing List https://lists.debian.org/debian-lts-announce/2021/02/msg00017.html

Match rules

CPE URI Source package Min version Max version
cpe:2.3:a:nlnetlabs:unbound:*:*:*:*:*:*:*:* unbound >= None < 1.10.1

Vulnerable and fixed packages

Source package Branch Version Maintainer Status
unbound 3.12-main 1.10.1-r0 Natanael Copa <ncopa@alpinelinux.org> fixed
unbound 3.11-main 1.9.6-r1 Natanael Copa <ncopa@alpinelinux.org> fixed
unbound 3.10-main 1.9.1-r8 Natanael Copa <ncopa@alpinelinux.org> fixed