HIGH7.5
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.
CVSS 2.0MEDIUM 5.0
CVSS:2.0/AV:N/AC:L/Au:N/C:N/I:N/A:PCVSS 3.xHIGH 7.5
CVSS:3.x/CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HReferences
- http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00067.html
- http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00069.html
- http://www.nxnsattack.com
- http://www.openwall.com/lists/oss-security/2020/05/19/5
- https://lists.debian.org/debian-lts-announce/2021/02/msg00017.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/F5NFROI2OMCZLYRTCNGHGO3TUD32LCIQ/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YJ42N2HBZ3DXMSEC56SWIIOFQGOS5M7I/
- https://nlnetlabs.nl/downloads/unbound/CVE-2020-12662_2020-12663.txt
- https://security.FreeBSD.org/advisories/FreeBSD-SA-20:19.unbound.asc
- https://security.netapp.com/advisory/ntap-20200702-0006/
- https://usn.ubuntu.com/4374-1/
- https://www.debian.org/security/2020/dsa-4694
- https://www.synology.com/security/advisory/Synology_SA_20_12
- http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00067.html
- http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00069.html
- http://www.nxnsattack.com
- http://www.openwall.com/lists/oss-security/2020/05/19/5
- https://lists.debian.org/debian-lts-announce/2021/02/msg00017.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/F5NFROI2OMCZLYRTCNGHGO3TUD32LCIQ/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YJ42N2HBZ3DXMSEC56SWIIOFQGOS5M7I/
- https://nlnetlabs.nl/downloads/unbound/CVE-2020-12662_2020-12663.txt
- https://security.FreeBSD.org/advisories/FreeBSD-SA-20:19.unbound.asc
- https://security.netapp.com/advisory/ntap-20200702-0006/
- https://usn.ubuntu.com/4374-1/
- https://www.debian.org/security/2020/dsa-4694
- https://www.synology.com/security/advisory/Synology_SA_20_12