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

Synopsis:          Moderate: go-toolset-1.15-golang security update
Advisory ID:       RHSA-2021:3431-01
Product:           Red Hat Developer Tools
Advisory URL:      https://access.redhat.com/errata/RHSA-2021:3431
Issue date:        2021-09-07
CVE Names:         CVE-2021-29923 CVE-2021-33195 CVE-2021-33197 
=====================================================================

1. Summary:

An update for go-toolset-1.15-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) - 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):

* golang: net: incorrect parsing of extraneous zero characters at the
beginning of an IP address octet (CVE-2021-29923)

* golang: net: lookup functions may return invalid host names
(CVE-2021-33195)

* golang: net/http/httputil: ReverseProxy forwards connection headers if
first one is empty (CVE-2021-33197)

For more details about the security issue(s), including the impact, a CVSS
score, acknowledgments, and other related information, refer to the CVE
page(s) listed in the References section.

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/):

1989564 - CVE-2021-33195 golang: net: lookup functions may return invalid host names
1989570 - CVE-2021-33197 golang: net/http/httputil: ReverseProxy forwards connection headers if first one is empty
1992006 - CVE-2021-29923 golang: net: incorrect parsing of extraneous zero characters at the beginning of an IP address octet

6. Package List:

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

Source:
go-toolset-1.15-golang-1.15.14-2.el7_9.src.rpm

noarch:
go-toolset-1.15-golang-docs-1.15.14-2.el7_9.noarch.rpm

ppc64le:
go-toolset-1.15-golang-1.15.14-2.el7_9.ppc64le.rpm
go-toolset-1.15-golang-bin-1.15.14-2.el7_9.ppc64le.rpm
go-toolset-1.15-golang-misc-1.15.14-2.el7_9.ppc64le.rpm
go-toolset-1.15-golang-src-1.15.14-2.el7_9.ppc64le.rpm
go-toolset-1.15-golang-tests-1.15.14-2.el7_9.ppc64le.rpm

s390x:
go-toolset-1.15-golang-1.15.14-2.el7_9.s390x.rpm
go-toolset-1.15-golang-bin-1.15.14-2.el7_9.s390x.rpm
go-toolset-1.15-golang-misc-1.15.14-2.el7_9.s390x.rpm
go-toolset-1.15-golang-src-1.15.14-2.el7_9.s390x.rpm
go-toolset-1.15-golang-tests-1.15.14-2.el7_9.s390x.rpm

x86_64:
go-toolset-1.15-golang-1.15.14-2.el7_9.x86_64.rpm
go-toolset-1.15-golang-bin-1.15.14-2.el7_9.x86_64.rpm
go-toolset-1.15-golang-misc-1.15.14-2.el7_9.x86_64.rpm
go-toolset-1.15-golang-race-1.15.14-2.el7_9.x86_64.rpm
go-toolset-1.15-golang-src-1.15.14-2.el7_9.x86_64.rpm
go-toolset-1.15-golang-tests-1.15.14-2.el7_9.x86_64.rpm

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

Source:
go-toolset-1.15-golang-1.15.14-2.el7_9.src.rpm

noarch:
go-toolset-1.15-golang-docs-1.15.14-2.el7_9.noarch.rpm

x86_64:
go-toolset-1.15-golang-1.15.14-2.el7_9.x86_64.rpm
go-toolset-1.15-golang-bin-1.15.14-2.el7_9.x86_64.rpm
go-toolset-1.15-golang-misc-1.15.14-2.el7_9.x86_64.rpm
go-toolset-1.15-golang-race-1.15.14-2.el7_9.x86_64.rpm
go-toolset-1.15-golang-src-1.15.14-2.el7_9.x86_64.rpm
go-toolset-1.15-golang-tests-1.15.14-2.el7_9.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-2021-29923
https://access.redhat.com/security/cve/CVE-2021-33195
https://access.redhat.com/security/cve/CVE-2021-33197
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 2021 Red Hat, Inc.
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