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.

References

https://www.synology.com/security/advisory/Synology_SA_20_12

https://www.debian.org/security/2020/dsa-4694

https://usn.ubuntu.com/4374-1/

https://security.netapp.com/advisory/ntap-20200702-0006/

https://security.FreeBSD.org/advisories/FreeBSD-SA-20:19.unbound.asc

https://nlnetlabs.nl/downloads/unbound/CVE-2020-12662_2020-12663.txt

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YJ42N2HBZ3DXMSEC56SWIIOFQGOS5M7I/

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/F5NFROI2OMCZLYRTCNGHGO3TUD32LCIQ/

https://lists.debian.org/debian-lts-announce/2021/02/msg00017.html

http://www.openwall.com/lists/oss-security/2020/05/19/5

http://www.nxnsattack.com

http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00069.html

http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00067.html

Details

Source: Mitre, NVD

Risk Information

CVSS v2

CVSS v3