CVE-2020-12663

nvd nist

Published: May 19, 2020Modified: Nov 21, 2024

7.5

Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Exploitability: 3.9 / Impact: 3.6

Source: NVD

Description

Unbound before 1.10.1 has an infinite loop via malformed DNS answers received from upstream servers.

Affected (10)

Products: Nlnetlabs: Unbound · Debian: Debian Linux · Opensuse: Leap · +2 more

Show all products

Nlnetlabs: Unbound · Debian: Debian Linux · Opensuse: Leap · Canonical: Ubuntu Linux · Fedoraproject: Fedora

1 product

1 product

1 product

1 product

1 product

Configuration A

1 vulnerable

Vulnerable Software	Affected Versions
Nlnetlabs Unbound	Before 1.10.1

Configuration B

2 vulnerable

Vulnerable Software	Affected Versions
Debian Debian Linux	Version 10.0
Debian Debian Linux	Version 9.0

Configuration C

2 vulnerable

Vulnerable Software	Affected Versions
Opensuse Leap	Version 15.1
Opensuse Leap	Version 15.2

Configuration D

3 vulnerable

Vulnerable Software	Affected Versions
Canonical Ubuntu Linux	Version 18.04
Canonical Ubuntu Linux	Version 19.10
Canonical Ubuntu Linux	Version 20.04

Configuration E

2 vulnerable

Vulnerable Software	Affected Versions
Fedoraproject Fedora	Version 31
Fedoraproject Fedora	Version 32

Related CWEs

CWE-835

Loop with Unreachable Exit Condition ('Infinite Loop')

The product contains an iteration or loop with an exit condition that cannot be reached, i.e., an infinite loop.

References (20)

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

Source: cve@mitre.org

Mailing ListThird Party Advisory

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

Source: cve@mitre.org

Mailing ListThird Party Advisory

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

Source: cve@mitre.org

Mailing ListPatchThird Party Advisory

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

Source: cve@mitre.org

Mailing ListThird Party Advisory

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

Source: cve@mitre.org

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

Source: cve@mitre.org

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

Source: cve@mitre.org

Vendor Advisory

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

Source: cve@mitre.org

Third Party Advisory

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

Source: cve@mitre.org

Third Party Advisory

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

Source: cve@mitre.org

Third Party Advisory

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