CVE-2018-16875 Information

Description

The crypto/x509 package of Go before 1.10.6 and 1.11.x before 1.11.3 does not limit the amount of work performed for each chain verification which might allow attackers to craft pathological inputs leading to a CPU denial of service. Go TLS servers accepting client certificates and TLS clients are affected.

CVSS Vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Reference

http://lists.opensuse.org/opensuse-security-announce/2019-03/msg00044.html http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00060.html http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00011.html http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00015.html http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00010.html http://www.securityfocus.com/bid/106230 https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16875 https://groups.google.com/forum/?pli=1!topic/golang-announce/Kw31K8G7Fi0 https://security.gentoo.org/glsa/201812-09

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