RHSA-2020:4214 - Security Advisory

Topic

An update for go-toolset-1.13 and go-toolset-1.13-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.

Description

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

Security Fix(es):

• golang.org/x/text: possibility to trigger an infinite loop in encoding/unicode could lead to crash (CVE-2020-14040)
• golang: data race in certain net/http servers including ReverseProxy can lead to DoS (CVE-2020-15586)
• golang: ReadUvarint and ReadVarint can read an unlimited number of bytes from invalid inputs (CVE-2020-16845)

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.

Bug Fix(es):

• net/http, x/net/http2: http server shutdown doesn't gracefully shut down HTTP2 connections (BZ#1879236)

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

Affected Products

• Red Hat Developer Tools (for RHEL Workstation) 1 x86_64
• Red Hat Developer Tools (for RHEL Server) 1 x86_64
• Red Hat Developer Tools (for RHEL Server for System Z) 1 s390x
• Red Hat Developer Tools (for RHEL Server for IBM Power LE) 1 ppc64le

Fixes

• BZ - 1853652 - CVE-2020-14040 golang.org/x/text: possibility to trigger an infinite loop in encoding/unicode could lead to crash
• BZ - 1856953 - CVE-2020-15586 golang: data race in certain net/http servers including ReverseProxy can lead to DoS
• BZ - 1867099 - CVE-2020-16845 golang: ReadUvarint and ReadVarint can read an unlimited number of bytes from invalid inputs

CVEs

• CVE-2020-14040
• CVE-2020-15586
• CVE-2020-16845

References

• https://access.redhat.com/security/updates/classification/#moderate
• https://access.redhat.com/documentation/en-us/red_hat_developer_tools/1/html/using_go_1.13_toolset/