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=====================================================================
                   Red Hat Security Advisory

Synopsis:          Moderate: go-toolset-7 and go-toolset-7-golang security and bug fix update
Advisory ID:       RHSA-2017:3463-01
Product:           Red Hat Developer Tools
Advisory URL:      https://access.redhat.com/errata/RHSA-2017:3463
Issue date:        2017-12-14
CVE Names:         CVE-2017-15041 CVE-2017-15042 
=====================================================================

1. Summary:

An update for go-toolset-7 and go-toolset-7-golang is now available for Red
Hat Developer Tools.

Red Hat Product Security has rated this update as having a security impact
of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which
gives a detailed severity rating, is available for each vulnerability from
the CVE link(s) in the References section.

2. Relevant releases/architectures:

Red Hat Developer Tools for Red Hat Enterprise Linux Server (v. 7) - aarch64, noarch, ppc64le, s390x, x86_64
Red Hat Developer Tools for Red Hat Enterprise Linux Workstation (v. 7) - noarch, x86_64

3. Description:

Go Toolset provides the Go programming language tools and libraries. Go is
alternatively known as golang.

Security Fix(es):

* An arbitrary command execution flaw was found in the way Go's "go get"
command handled the checkout of source code repositories. A remote attacker
capable of hosting malicious repositories could potentially use this flaw
to cause arbitrary command execution on the client side. (CVE-2017-15041)

* It was found that smtp.PlainAuth authentication scheme in Go did not
verify the TLS requirement properly. A remote man-in-the-middle attacker
could potentially use this flaw to sniff SMTP credentials sent by a Go
application. (CVE-2017-15042)

Bug Fix(es):

* Previously, the enable script for the go-toolset-7 Software Collection
incorrectly set the GOPATH environment variable to a directory that
required root permissions for write operations. As a consequence, the go
compiler terminated unexpectedly when performing certain commands. The
enable script has been changed to handle GOPATH correctly, and the
described problem no longer occurs. (BZ#1512013)

4. Solution:

For details on how to apply this update, which includes the changes
described in this advisory, refer to:

https://access.redhat.com/articles/11258

5. Bugs fixed (https://bugzilla.redhat.com/):

1498867 - CVE-2017-15042 golang: smtp.PlainAuth susceptible to man-in-the-middle password harvesting
1498870 - CVE-2017-15041 golang: arbitrary code execution during "go get" or "go get -d"

6. Package List:

Red Hat Developer Tools for Red Hat Enterprise Linux Server (v. 7):

Source:
go-toolset-7-1.8-10.el7.src.rpm
go-toolset-7-golang-1.8.5-1.el7.src.rpm

aarch64:
go-toolset-7-1.8-10.el7.aarch64.rpm
go-toolset-7-build-1.8-10.el7.aarch64.rpm
go-toolset-7-dockerfiles-1.8-10.el7.aarch64.rpm
go-toolset-7-golang-1.8.5-1.el7.aarch64.rpm
go-toolset-7-golang-bin-1.8.5-1.el7.aarch64.rpm
go-toolset-7-runtime-1.8-10.el7.aarch64.rpm
go-toolset-7-scldevel-1.8-10.el7.aarch64.rpm

noarch:
go-toolset-7-golang-docs-1.8.5-1.el7.noarch.rpm
go-toolset-7-golang-misc-1.8.5-1.el7.noarch.rpm
go-toolset-7-golang-src-1.8.5-1.el7.noarch.rpm
go-toolset-7-golang-tests-1.8.5-1.el7.noarch.rpm

ppc64le:
go-toolset-7-1.8-10.el7.ppc64le.rpm
go-toolset-7-build-1.8-10.el7.ppc64le.rpm
go-toolset-7-dockerfiles-1.8-10.el7.ppc64le.rpm
go-toolset-7-golang-1.8.5-1.el7.ppc64le.rpm
go-toolset-7-golang-bin-1.8.5-1.el7.ppc64le.rpm
go-toolset-7-runtime-1.8-10.el7.ppc64le.rpm
go-toolset-7-scldevel-1.8-10.el7.ppc64le.rpm

s390x:
go-toolset-7-1.8-10.el7.s390x.rpm
go-toolset-7-build-1.8-10.el7.s390x.rpm
go-toolset-7-dockerfiles-1.8-10.el7.s390x.rpm
go-toolset-7-golang-1.8.5-1.el7.s390x.rpm
go-toolset-7-golang-bin-1.8.5-1.el7.s390x.rpm
go-toolset-7-runtime-1.8-10.el7.s390x.rpm
go-toolset-7-scldevel-1.8-10.el7.s390x.rpm

x86_64:
go-toolset-7-1.8-10.el7.x86_64.rpm
go-toolset-7-build-1.8-10.el7.x86_64.rpm
go-toolset-7-dockerfiles-1.8-10.el7.x86_64.rpm
go-toolset-7-golang-1.8.5-1.el7.x86_64.rpm
go-toolset-7-golang-bin-1.8.5-1.el7.x86_64.rpm
go-toolset-7-golang-race-1.8.5-1.el7.x86_64.rpm
go-toolset-7-runtime-1.8-10.el7.x86_64.rpm
go-toolset-7-scldevel-1.8-10.el7.x86_64.rpm

Red Hat Developer Tools for Red Hat Enterprise Linux Workstation (v. 7):

Source:
go-toolset-7-1.8-10.el7.src.rpm
go-toolset-7-golang-1.8.5-1.el7.src.rpm

noarch:
go-toolset-7-golang-docs-1.8.5-1.el7.noarch.rpm
go-toolset-7-golang-misc-1.8.5-1.el7.noarch.rpm
go-toolset-7-golang-src-1.8.5-1.el7.noarch.rpm
go-toolset-7-golang-tests-1.8.5-1.el7.noarch.rpm

x86_64:
go-toolset-7-1.8-10.el7.x86_64.rpm
go-toolset-7-build-1.8-10.el7.x86_64.rpm
go-toolset-7-dockerfiles-1.8-10.el7.x86_64.rpm
go-toolset-7-golang-1.8.5-1.el7.x86_64.rpm
go-toolset-7-golang-bin-1.8.5-1.el7.x86_64.rpm
go-toolset-7-golang-race-1.8.5-1.el7.x86_64.rpm
go-toolset-7-runtime-1.8-10.el7.x86_64.rpm
go-toolset-7-scldevel-1.8-10.el7.x86_64.rpm

These packages are GPG signed by Red Hat for security.  Our key and
details on how to verify the signature are available from
https://access.redhat.com/security/team/key/

7. References:

https://access.redhat.com/security/cve/CVE-2017-15041
https://access.redhat.com/security/cve/CVE-2017-15042
https://access.redhat.com/security/updates/classification/#moderate

8. Contact:

The Red Hat security contact is <secalert@redhat.com>. More contact
details at https://access.redhat.com/security/team/contact/

Copyright 2017 Red Hat, Inc.
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