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CVE-2020-29652

Published: 17 December 2020

A nil pointer dereference in the golang.org/x/crypto/ssh component through v0.0.0-20201203163018-be400aefbc4c for Go allows remote attackers to cause a denial of service against SSH servers.

Notes

AuthorNote
jdstrand
snapd contains an embedded copy of golang-go.crypto
lxd in 18.04 LTS and earlier contains an embedded copy of
golang-go.crypto
mdeslaur
snapd and lxd only use the terminal sub-package, not the ssh
part of golang-go.crypto, so they are not vulnerable
Priority

Medium

CVSS 3 base score: 7.5

Status

Package Release Status
golang-go.crypto
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(code not present)
focal Needed

groovy Ignored
(reached end-of-life)
hirsute
Released (1:0.0~git20201221.eec23a3-1)
impish
Released (1:0.0~git20201221.eec23a3-1)
jammy
Released (1:0.0~git20201221.eec23a3-1)
precise Does not exist

trusty Does not exist

upstream
Released (1:0.0~git20201221.eec23a3-1)
xenial Not vulnerable
(code not present)
Patches:
upstream: https://go.googlesource.com/crypto/+/8b5274cf687fd9316b4108863654cc57385531e8%5E%21/#F0
kubernetes
Launchpad, Ubuntu, Debian
bionic Does not exist

focal Needs triage

groovy Ignored
(reached end-of-life)
hirsute Ignored
(reached end-of-life)
impish Ignored
(reached end-of-life)
jammy Needs triage

precise Does not exist

trusty Does not exist

upstream Needs triage

xenial Does not exist

lxd
Launchpad, Ubuntu, Debian
bionic Not vulnerable

focal Not vulnerable
(code-not-present)
groovy Not vulnerable
(code-not-present)
hirsute Not vulnerable
(code-not-present)
impish Not vulnerable
(code-not-present)
precise Does not exist

trusty Does not exist

upstream Needs triage

xenial Not vulnerable

snapd
Launchpad, Ubuntu, Debian
bionic Not vulnerable

focal Not vulnerable

groovy Not vulnerable

hirsute Not vulnerable

impish Not vulnerable

jammy Not vulnerable

precise Does not exist

trusty Does not exist

upstream Needs triage

xenial Not vulnerable