RHSA-2020:5333 - Security Advisory

Topic

An update for go-toolset-1.14-golang is now available for Red Hat Software Collections.

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: math/big: panic during recursive division of very large numbers (CVE-2020-28362)
• golang: malicious symbol names can lead to code execution at build time (CVE-2020-28366)
• golang: improper validation of cgo flags can lead to code execution at build time (CVE-2020-28367)

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.

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 Server) 1 x86_64
• Red Hat Developer Tools (for RHEL Workstation) 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 - 1897635 - CVE-2020-28362 golang: math/big: panic during recursive division of very large numbers
• BZ - 1897643 - CVE-2020-28366 golang: malicious symbol names can lead to code execution at build time
• BZ - 1897646 - CVE-2020-28367 golang: improper validation of cgo flags can lead to code execution at build time

CVEs

• CVE-2020-28362
• CVE-2020-28366
• CVE-2020-28367

References

• https://access.redhat.com/security/updates/classification/#moderate
• https://access.redhat.com/documentation/en-us/red_hat_developer_tools/1/html/using_go_1.14.7_toolset