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CVE-2020-14039

Published: 17 July 2020

In Go before 1.13.13 and 1.14.x before 1.14.5, Certificate.Verify may lack a check on the VerifyOptions.KeyUsages EKU requirements (if VerifyOptions.Roots equals nil and the installation is on Windows). Thus, X.509 certificate verification is incomplete.

Notes

AuthorNote
mdeslaur
Packages built using golang need to be rebuilt once the
vulnerability has been fixed. This CVE entry does not
list packages that need rebuilding outside of the main
repository or the Ubuntu variants with PPA overlays.

This is a windows-specific issue, Ubuntu is not affected

Priority

Medium

Cvss 3 Severity Score

5.3

Score breakdown

Status

Package Release Status
golang
Launchpad, Ubuntu, Debian
bionic Does not exist

eoan Does not exist

focal Does not exist

trusty Does not exist

upstream Needs triage

xenial Does not exist

golang-1.10
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(windows-specific)
trusty Not vulnerable
(windows-specific)
xenial Not vulnerable
(windows-specific)
eoan Does not exist

focal Does not exist

upstream Needs triage

golang-1.13
Launchpad, Ubuntu, Debian
focal Not vulnerable
(windows-specific)
bionic Not vulnerable
(windows-specific)
eoan Ignored
(end of life)
trusty Does not exist

upstream Needs triage

xenial Not vulnerable
(windows-specific)
golang-1.14
Launchpad, Ubuntu, Debian
focal Not vulnerable
(windows-specific)
bionic Does not exist

eoan Does not exist

trusty Does not exist

upstream Needs triage

xenial Does not exist

golang-1.15
Launchpad, Ubuntu, Debian
focal Does not exist

bionic Does not exist

eoan Does not exist

trusty Does not exist

upstream Needs triage

xenial Does not exist

golang-1.11
Launchpad, Ubuntu, Debian
bionic Does not exist

eoan Does not exist

focal Does not exist

trusty Does not exist

upstream Needs triage

xenial Does not exist

golang-1.12
Launchpad, Ubuntu, Debian
bionic Does not exist

eoan Ignored
(end of life)
focal Does not exist

trusty Does not exist

upstream Needs triage

xenial Does not exist

golang-1.6
Launchpad, Ubuntu, Debian
bionic Does not exist

eoan Does not exist

focal Does not exist

trusty Does not exist

upstream Needs triage

xenial Not vulnerable
(windows-specific)
golang-1.8
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(windows-specific)
eoan Does not exist

focal Does not exist

trusty Does not exist

upstream Needs triage

xenial Does not exist

golang-1.9
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(windows-specific)
eoan Does not exist

focal Does not exist

trusty Does not exist

upstream Needs triage

xenial Does not exist

Severity score breakdown

Parameter Value
Base score 5.3
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality None
Integrity impact Low
Availability impact None
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N