CVE-2020-12663

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2020-12663
Unbound before 1.10.1 has an infinite loop via malformed DNS answers received from upstream servers.

7.5 /10

CVSS v3 : HIGH

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

5.0 /10

CVSS v2.0 : MEDIUM

V2 Legend

Vector : AV:N/AC:L/Au:N/C:N/I:N/A:P

Exploitability : 10.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

References
Link Resource
http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00067.html Mailing List Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00069.html Mailing List Third Party Advisory
http://www.openwall.com/lists/oss-security/2020/05/19/5 Mailing List Patch Third Party Advisory
https://lists.debian.org/debian-lts-announce/2021/02/msg00017.html Mailing List Third Party Advisory
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 Vendor Advisory
https://security.FreeBSD.org/advisories/FreeBSD-SA-20:19.unbound.asc Third Party Advisory
https://usn.ubuntu.com/4374-1/ Third Party Advisory
https://www.debian.org/security/2020/dsa-4694 Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00067.html Mailing List Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00069.html Mailing List Third Party Advisory
http://www.openwall.com/lists/oss-security/2020/05/19/5 Mailing List Patch Third Party Advisory
https://lists.debian.org/debian-lts-announce/2021/02/msg00017.html Mailing List Third Party Advisory
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 Vendor Advisory
https://security.FreeBSD.org/advisories/FreeBSD-SA-20:19.unbound.asc Third Party Advisory
https://usn.ubuntu.com/4374-1/ Third Party Advisory
https://www.debian.org/security/2020/dsa-4694 Third Party Advisory
Configurations

Configuration 1 (hide)

cpe:2.3:a:nlnetlabs:unbound:*:*:*:*:*:*:*:*

Configuration 2 (hide)

OR cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*

Configuration 3 (hide)

OR cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*
cpe:2.3:o:opensuse:leap:15.2:*:*:*:*:*:*:*

Configuration 4 (hide)

OR cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:19.10:*:*:*:*:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:20.04:*:*:*:lts:*:*:*

Configuration 5 (hide)

OR cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*
History

21 Nov 2024, 05:00

Type Values Removed Values Added
References () http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00067.html - Mailing List, Third Party Advisory () http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00067.html - Mailing List, Third Party Advisory
References () http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00069.html - Mailing List, Third Party Advisory () http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00069.html - Mailing List, Third Party Advisory
References () http://www.openwall.com/lists/oss-security/2020/05/19/5 - Mailing List, Patch, Third Party Advisory () http://www.openwall.com/lists/oss-security/2020/05/19/5 - Mailing List, Patch, Third Party Advisory
References () https://lists.debian.org/debian-lts-announce/2021/02/msg00017.html - Mailing List, Third Party Advisory () https://lists.debian.org/debian-lts-announce/2021/02/msg00017.html - Mailing List, Third Party Advisory
References () 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/F5NFROI2OMCZLYRTCNGHGO3TUD32LCIQ/ -
References () 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/YJ42N2HBZ3DXMSEC56SWIIOFQGOS5M7I/ -
References () https://nlnetlabs.nl/downloads/unbound/CVE-2020-12662_2020-12663.txt - Vendor Advisory () https://nlnetlabs.nl/downloads/unbound/CVE-2020-12662_2020-12663.txt - Vendor Advisory
References () https://security.FreeBSD.org/advisories/FreeBSD-SA-20:19.unbound.asc - Third Party Advisory () https://security.FreeBSD.org/advisories/FreeBSD-SA-20:19.unbound.asc - Third Party Advisory
References () https://usn.ubuntu.com/4374-1/ - Third Party Advisory () https://usn.ubuntu.com/4374-1/ - Third Party Advisory
References () https://www.debian.org/security/2020/dsa-4694 - Third Party Advisory () https://www.debian.org/security/2020/dsa-4694 - Third Party Advisory

07 Nov 2023, 03:15

Type Values Removed Values Added
References
  • {'url': 'https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/F5NFROI2OMCZLYRTCNGHGO3TUD32LCIQ/', 'name': 'FEDORA-2020-3cfd38fefd', 'tags': ['Third Party Advisory'], 'refsource': 'FEDORA'}
  • {'url': 'https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/YJ42N2HBZ3DXMSEC56SWIIOFQGOS5M7I/', 'name': 'FEDORA-2020-8e9b62948e', 'tags': ['Third Party Advisory'], 'refsource': 'FEDORA'}
  • () 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/ -
Information

Published : 2020-05-19 14:15

Updated : 2024-11-21 05:00

NVD link : CVE-2020-12663

Mitre link : CVE-2020-12663

CVE.ORG link : CVE-2020-12663

JSON object : View

Products Affected

canonical

  • ubuntu_linux

opensuse

  • leap

nlnetlabs

  • unbound

debian

  • debian_linux

fedoraproject

  • fedora
CWE
CWE-835

Loop with Unreachable Exit Condition ('Infinite Loop')


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