CVE-2020-12663

Unbound before 1.10.1 has an infinite loop via malformed DNS answers received from upstream servers.
Infinite Loop
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
7.5 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 93%
Affected Products (NVD)
VendorProductVersion
nlnetlabsunbound
𝑥
< 1.10.1
debiandebian_linux
9.0
debiandebian_linux
10.0
opensuseleap
15.1
opensuseleap
15.2
canonicalubuntu_linux
18.04
canonicalubuntu_linux
19.10
canonicalubuntu_linux
20.04
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
unbound
bookworm
1.17.1-2+deb12u2
fixed
bookworm (security)
1.17.1-2+deb12u2
fixed
bullseye
1.13.1-1+deb11u2
fixed
bullseye (security)
1.13.1-1+deb11u3
fixed
sid
1.22.0-1
fixed
trixie
1.22.0-1
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
unbound
bionic
Fixed 1.6.7-1ubuntu2.3
released
eoan
Fixed 1.9.0-2ubuntu1.1
released
focal
Fixed 1.9.4-2ubuntu1.1
released
groovy
not-affected
hirsute
not-affected
impish
not-affected
jammy
not-affected
kinetic
not-affected
lunar
not-affected
mantic
not-affected
noble
not-affected
trusty
needed
xenial
needed
openSUSE logo
openSUSE / SLES Releases
openSUSE Product
Release
libunbound2
suse enterprise desktop 15 SP1
1.6.8-10.3.1
fixed
suse enterprise desktop 15 SP2
1.6.8-10.3.1
fixed
suse enterprise desktop 15 SP3
1.6.8-10.3.1
fixed
suse enterprise desktop 15 SP4
1.6.8-10.3.1
fixed
suse enterprise desktop 15 SP5
1.6.8-10.3.1
fixed
suse enterprise desktop 15 SP6
1.6.8-150600.21.6
fixed
suse enterprise sap 15 SP1
1.6.8-10.3.1
fixed
suse enterprise sap 15 SP2
1.6.8-10.3.1
fixed
suse enterprise sap 15 SP3
1.6.8-10.3.1
fixed
suse enterprise sap 15 SP4
1.6.8-10.3.1
fixed
suse enterprise sap 15 SP5
1.6.8-10.3.1
fixed
suse enterprise sap 15 SP6
1.6.8-150600.21.6
fixed
suse enterprise server 15
1.6.8-3.6.1
fixed
suse enterprise server 15 SP1
1.6.8-10.3.1
fixed
suse enterprise server 15 SP2
1.6.8-10.3.1
fixed
suse enterprise server 15 SP3
1.6.8-10.3.1
fixed
suse enterprise server 15 SP4
1.6.8-10.3.1
fixed
suse enterprise server 15 SP5
1.6.8-10.3.1
fixed
suse enterprise server 15 SP6
1.6.8-150600.21.6
fixed
libunbound8
suse enterprise desktop 15 SP7
1.20.0-150600.23.9.1
fixed
suse enterprise sap 15 SP7
1.20.0-150600.23.9.1
fixed
suse enterprise server 15 SP7
1.20.0-150600.23.9.1
fixed
unbound-anchor
suse enterprise desktop 15 SP1
1.6.8-10.3.1
fixed
suse enterprise desktop 15 SP2
1.6.8-10.3.1
fixed
suse enterprise desktop 15 SP3
1.6.8-10.3.1
fixed
suse enterprise desktop 15 SP4
1.6.8-10.3.1
fixed
suse enterprise desktop 15 SP5
1.6.8-10.3.1
fixed
suse enterprise desktop 15 SP6
1.6.8-150600.21.6
fixed
suse enterprise desktop 15 SP7
1.20.0-150600.23.9.1
fixed
suse enterprise sap 15 SP1
1.6.8-10.3.1
fixed
suse enterprise sap 15 SP2
1.6.8-10.3.1
fixed
suse enterprise sap 15 SP3
1.6.8-10.3.1
fixed
suse enterprise sap 15 SP4
1.6.8-10.3.1
fixed
suse enterprise sap 15 SP5
1.6.8-10.3.1
fixed
suse enterprise sap 15 SP6
1.6.8-150600.21.6
fixed
suse enterprise sap 15 SP7
1.20.0-150600.23.9.1
fixed
suse enterprise server 15
1.6.8-3.6.1
fixed
suse enterprise server 15 SP1
1.6.8-10.3.1
fixed
suse enterprise server 15 SP2
1.6.8-10.3.1
fixed
suse enterprise server 15 SP3
1.6.8-10.3.1
fixed
suse enterprise server 15 SP4
1.6.8-10.3.1
fixed
suse enterprise server 15 SP5
1.6.8-10.3.1
fixed
suse enterprise server 15 SP6
1.6.8-150600.21.6
fixed
suse enterprise server 15 SP7
1.20.0-150600.23.9.1
fixed
unbound-devel
suse enterprise desktop 15 SP1
1.6.8-10.3.1
fixed
suse enterprise desktop 15 SP2
1.6.8-10.3.1
fixed
suse enterprise desktop 15 SP3
1.6.8-10.3.1
fixed
suse enterprise desktop 15 SP4
1.6.8-10.3.1
fixed
suse enterprise desktop 15 SP5
1.6.8-10.3.1
fixed
suse enterprise desktop 15 SP6
1.6.8-150600.21.6
fixed
suse enterprise desktop 15 SP7
1.20.0-150600.23.9.1
fixed
suse enterprise sap 15 SP1
1.6.8-10.3.1
fixed
suse enterprise sap 15 SP2
1.6.8-10.3.1
fixed
suse enterprise sap 15 SP3
1.6.8-10.3.1
fixed
suse enterprise sap 15 SP4
1.6.8-10.3.1
fixed
suse enterprise sap 15 SP5
1.6.8-10.3.1
fixed
suse enterprise sap 15 SP6
1.6.8-150600.21.6
fixed
suse enterprise sap 15 SP7
1.20.0-150600.23.9.1
fixed
suse enterprise server 15
1.6.8-3.6.1
fixed
suse enterprise server 15 SP1
1.6.8-10.3.1
fixed
suse enterprise server 15 SP2
1.6.8-10.3.1
fixed
suse enterprise server 15 SP3
1.6.8-10.3.1
fixed
suse enterprise server 15 SP4
1.6.8-10.3.1
fixed
suse enterprise server 15 SP5
1.6.8-10.3.1
fixed
suse enterprise server 15 SP6
1.6.8-150600.21.6
fixed
suse enterprise server 15 SP7
1.20.0-150600.23.9.1
fixed
Red Hat logo
Red Hat Enterprise Linux Releases
Red Hat Product
Release
python3-unbound
RHEL 8
0:1.7.3-11.el8_2
fixed
RHEL 8.0 E4S
0:1.7.3-9.el8_0
fixed
RHEL 8.1 E4S
0:1.7.3-9.el8_1
fixed
RHEL 8.1 EUS
0:1.7.3-9.el8_1
fixed
RHEL 8.2 AUS
0:1.7.3-11.el8_2
fixed
RHEL 8.2 E4S
0:1.7.3-11.el8_2
fixed
RHEL 8.2 EUS
0:1.7.3-11.el8_2
fixed
RHEL 8.2 TUS
0:1.7.3-11.el8_2
fixed
unbound
RHEL 6
0:1.4.20-29.el6_10.1
fixed
RHEL 7
0:1.6.6-4.el7_8
fixed
RHEL 8
0:1.7.3-11.el8_2
fixed
RHEL 8.0 E4S
0:1.7.3-9.el8_0
fixed
RHEL 8.1 E4S
0:1.7.3-9.el8_1
fixed
RHEL 8.1 EUS
0:1.7.3-9.el8_1
fixed
RHEL 8.2 AUS
0:1.7.3-11.el8_2
fixed
RHEL 8.2 E4S
0:1.7.3-11.el8_2
fixed
RHEL 8.2 EUS
0:1.7.3-11.el8_2
fixed
RHEL 8.2 TUS
0:1.7.3-11.el8_2
fixed
unbound-devel
RHEL 6
0:1.4.20-29.el6_10.1
fixed
RHEL 7
0:1.6.6-4.el7_8
fixed
RHEL 8
0:1.7.3-11.el8_2
fixed
RHEL 8.0 E4S
0:1.7.3-9.el8_0
fixed
RHEL 8.1 E4S
0:1.7.3-9.el8_1
fixed
RHEL 8.1 EUS
0:1.7.3-9.el8_1
fixed
RHEL 8.2 AUS
0:1.7.3-11.el8_2
fixed
RHEL 8.2 E4S
0:1.7.3-11.el8_2
fixed
RHEL 8.2 EUS
0:1.7.3-11.el8_2
fixed
RHEL 8.2 TUS
0:1.7.3-11.el8_2
fixed
unbound-libs
RHEL 6
0:1.4.20-29.el6_10.1
fixed
RHEL 7
0:1.6.6-4.el7_8
fixed
RHEL 8
0:1.7.3-11.el8_2
fixed
RHEL 8.0 E4S
0:1.7.3-9.el8_0
fixed
RHEL 8.1 E4S
0:1.7.3-9.el8_1
fixed
RHEL 8.1 EUS
0:1.7.3-9.el8_1
fixed
RHEL 8.2 AUS
0:1.7.3-11.el8_2
fixed
RHEL 8.2 E4S
0:1.7.3-11.el8_2
fixed
RHEL 8.2 EUS
0:1.7.3-11.el8_2
fixed
RHEL 8.2 TUS
0:1.7.3-11.el8_2
fixed
unbound-python
RHEL 6
0:1.4.20-29.el6_10.1
fixed
RHEL 7
0:1.6.6-4.el7_8
fixed
Common Weakness Enumeration
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://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://usn.ubuntu.com/4374-1/
https://www.debian.org/security/2020/dsa-4694
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://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://usn.ubuntu.com/4374-1/
https://www.debian.org/security/2020/dsa-4694