CVE-2020-12663 Information

Description

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

CVSS Vector

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

Reference

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

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

7.5