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CVE-2018-16873

Published: 14 December 2018

In Go before 1.10.6 and 1.11.x before 1.11.3, the "go get" command is vulnerable to remote code execution when executed with the -u flag and the import path of a malicious Go package, or a package that imports it directly or indirectly. Specifically, it is only vulnerable in GOPATH mode, but not in module mode (the distinction is documented at https://golang.org/cmd/go/#hdr-Module_aware_go_get). Using custom domains, it's possible to arrange things so that a Git repository is cloned to a folder named ".git" by using a vanity import path that ends with "/.git". If the Git repository root contains a "HEAD" file, a "config" file, an "objects" directory, a "refs" directory, with some work to ensure the proper ordering of operations, "go get -u" can be tricked into considering the parent directory as a repository root, and running Git commands on it. That will use the "config" file in the original Git repository root for its configuration, and if that config file contains malicious commands, they will execute on the system running "go get -u".

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.

Priority

Medium

Cvss 3 Severity Score

8.1

Score breakdown

Status

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

cosmic Does not exist

disco Does not exist

eoan Does not exist

focal Does not exist

trusty Does not exist
(trusty was needs-triage)
upstream Needs triage

xenial Does not exist

impish Does not exist

groovy Does not exist

hirsute Does not exist

jammy Does not exist

kinetic Does not exist

lunar Does not exist

mantic Does not exist

golang-1.10
Launchpad, Ubuntu, Debian
bionic Needed

cosmic Ignored
(end of life)
disco Ignored
(end of life)
eoan Does not exist

hirsute Does not exist

xenial Needs triage

jammy Does not exist

kinetic Does not exist

focal Does not exist

groovy Does not exist

impish Does not exist

lunar Does not exist

trusty Needed

upstream
Released (1.10.6-1)
mantic Does not exist

Patches:
upstream: https://github.com/golang/go/commit/90d609ba6156299642d08afc06d85ab770a03972 (1.10.6)
upstream: https://github.com/golang/go/commit/7ef6ee2c5727f0d11206b4d1866c18e6ab4785be (1.10.6)


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

hirsute Does not exist

jammy Does not exist

kinetic Does not exist

bionic Does not exist

cosmic Does not exist

disco Does not exist

eoan Does not exist

focal Does not exist

groovy Does not exist

lunar Does not exist

trusty Does not exist
(trusty was needs-triage)
upstream Needs triage

xenial Needs triage

mantic Does not exist

golang-1.8
Launchpad, Ubuntu, Debian
impish Does not exist

hirsute Does not exist

jammy Does not exist

kinetic Does not exist

bionic Needs triage

cosmic Ignored
(end of life)
disco Does not exist

eoan Does not exist

focal Does not exist

groovy Does not exist

lunar Does not exist

trusty Does not exist

upstream Needs triage

xenial Does not exist

mantic Does not exist

golang-1.9
Launchpad, Ubuntu, Debian
impish Does not exist

hirsute Does not exist

jammy Does not exist

kinetic Does not exist

bionic Needs triage

cosmic Ignored
(end of life)
disco Does not exist

eoan Does not exist

focal Does not exist

groovy Does not exist

lunar Does not exist

trusty Does not exist

upstream Needs triage

xenial Does not exist

mantic Does not exist

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

hirsute Does not exist

jammy Does not exist

kinetic Does not exist

bionic Does not exist

cosmic Does not exist

disco Not vulnerable
(1.11.5-1ubuntu1)
eoan Does not exist

focal Does not exist

groovy Does not exist

lunar Does not exist

trusty Does not exist

upstream
Released (1.11.3-1)
xenial Does not exist

mantic Does not exist

Patches:


upstream: https://github.com/golang/go/commit/8954addb3294a5e664a9833354bafa58f163fe8f (1.11.3)
upstream: https://github.com/golang/go/commit/5aedc8af94c0a8ffc58cbd09993192dea9b238db (1.11.3)

Severity score breakdown

Parameter Value
Base score 8.1
Attack vector Network
Attack complexity High
Privileges required None
User interaction None
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H