CVE-2020-12662
CVE-2020-12662
This page contains facts from public vulnerability sources. Check the original advisory before updating.
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 7.5 · High · EPSS 3.2% · Fix available
- Published
- Updated
Stack: system
Affected products and versions
n/a
- Versions
- n/a: Affected
No fix published
unbound Debian:12
- Affected ranges
- ECOSYSTEM: < 1.10.1-1
Update to 1.10.1-1
unbound Debian:13
- Affected ranges
- ECOSYSTEM: < 1.10.1-1
Update to 1.10.1-1
unbound Debian:14
- Affected ranges
- ECOSYSTEM: < 1.10.1-1
Update to 1.10.1-1
unbound Ubuntu:Pro:14.04:LTS
- Versions
- 1.4.20-1
- 1.4.21-1
- 1.4.21-1ubuntu1
- 1.4.21-1ubuntu2
- 1.4.22-1ubuntu1
- 1.4.22-1ubuntu2
- 1.4.22-1ubuntu3
- 1.4.22-1ubuntu4
- 1.4.22-1ubuntu4.14.04.1
- 1.4.22-1ubuntu4.14.04.2
- 1.4.22-1ubuntu4.14.04.3
- 1.4.22-1ubuntu4.14.04.3+esm1
- 1.4.22-1ubuntu4.14.04.3+esm2
- 1.4.22-1ubuntu4.14.04.3+esm3
- 1.4.22-1ubuntu4.14.04.3+esm4
- 1.4.22-1ubuntu4.14.04.3+esm5
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
unbound Ubuntu:Pro:16.04:LTS
- Versions
- 1.4.22-1ubuntu6
- 1.5.7-1ubuntu1
- 1.5.7-1ubuntu2
- 1.5.8-1ubuntu1
- 1.5.8-1ubuntu1.1
- 1.5.8-1ubuntu1.1+esm1
- 1.5.8-1ubuntu1.1+esm2
- 1.5.8-1ubuntu1.1+esm3
- 1.5.8-1ubuntu1.1+esm4
- 1.5.8-1ubuntu1.1+esm5
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
unbound Ubuntu:18.04:LTS
- Versions
- 1.6.5-1
- 1.6.7-1
- 1.6.7-1build1
- 1.6.7-1ubuntu1
- 1.6.7-1ubuntu2
- 1.6.7-1ubuntu2.1
- 1.6.7-1ubuntu2.2
- Affected ranges
- ECOSYSTEM: < 1.6.7-1ubuntu2.3
Update to 1.6.7-1ubuntu2.3
unbound Ubuntu:20.04:LTS
- Versions
- 1.9.0-2ubuntu1
- 1.9.0-2ubuntu2
- 1.9.4-2
- 1.9.4-2ubuntu1
- Affected ranges
- ECOSYSTEM: < 1.9.4-2ubuntu1.1
Update to 1.9.4-2ubuntu1.1
Original sources
- https://nlnetlabs.nl/downloads/unbound/CVE-2020-12662_2020-12663.txt
- http://www.nxnsattack.com
- http://www.openwall.com/lists/oss-security/2020/05/19/5
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/F5NFROI2OMCZLYRTCNGHGO3TUD32LCIQ/
- https://www.debian.org/security/2020/dsa-4694
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YJ42N2HBZ3DXMSEC56SWIIOFQGOS5M7I/
- https://www.synology.com/security/advisory/Synology_SA_20_12
- https://usn.ubuntu.com/4374-1/
- http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00069.html
- http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00067.html
- https://security.netapp.com/advisory/ntap-20200702-0006/
- https://security.FreeBSD.org/advisories/FreeBSD-SA-20:19.unbound.asc
- https://lists.debian.org/debian-lts-announce/2021/02/msg00017.html
- https://nvd.nist.gov/vuln/detail/CVE-2020-12662