CVE-2020-12662
- Source
- https://nvd.nist.gov/vuln/detail/CVE-2020-12662
- Import Source
- https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-12662.json
- JSON Data
- https://api.osv.dev/v1/vulns/CVE-2020-12662
- Downstream
- Related
- Published
- 2020-05-19T14:15:11Z
- Modified
- 2025-10-21T02:35:20Z
- Severity
-
- 7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
- Summary
- [none]
- Details
-
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
-
- http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00067.html
- http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00069.html
- http://www.openwall.com/lists/oss-security/2020/05/19/5
- https://lists.debian.org/debian-lts-announce/2021/02/msg00017.html
- 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://www.nxnsattack.com
- 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/
Affected packages
Git / github.com/nlnetlabs/unbound
Affected ranges
- Type
- GIT
- Repo
- https://github.com/nlnetlabs/unbound
- Events
-
Introduced0 Unknown introduced commit / All previous commits are affectedFixed
Database specific
vanir_signatures
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