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Red Hat Enterprise Linux 8 RHSA-2020:5493-01 Moderate: Go Toolset XSS Risks

red hat
Calendar Grey December 15, 2020
Dist Redhat Esm H88
Caution notice regarding go-toolset enhancements in RHEL8, focusing on moderate vulnerabilities such as XSS and potential exploitation hazards.
An update for the go-toolset:rhel8 module is now available for Red Hat Enterprise Linux 8

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

Summary

Go Toolset provides the Go programming language tools and libraries. Go is alternatively known as golang.
Security Fix(es):
* golang: default Content-Type setting in net/http/cgi and net/http/fcgi could cause XSS (CVE-2020-24553)
* 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.

Topics%20covered

Topics Covered

security advisory security update Red Hat software update code execution XSS Red Hat Enterprise Linux moderate severity moderate risk XSS risk go-toolset

References

https://access.redhat.com/security/cve/CVE-2020-24553 https://access.redhat.com/security/cve/CVE-2020-28362 https://access.redhat.com/security/cve/CVE-2020-28366 https://access.redhat.com/security/cve/CVE-2020-28367 https://access.redhat.com/security/updates/classification/#moderate

Package List

Red Hat Enterprise Linux AppStream (v. 8):
Source: delve-1.4.1-1.module+el8.3.0+7840+63dfb1ed.src.rpm go-toolset-1.14.12-1.module+el8.3.0+8784+380394dc.src.rpm golang-1.14.12-1.module+el8.3.0+8784+380394dc.src.rpm
aarch64: go-toolset-1.14.12-1.module+el8.3.0+8784+380394dc.aarch64.rpm golang-1.14.12-1.module+el8.3.0+8784+380394dc.aarch64.rpm golang-bin-1.14.12-1.module+el8.3.0+8784+380394dc.aarch64.rpm
noarch: golang-docs-1.14.12-1.module+el8.3.0+8784+380394dc.noarch.rpm golang-misc-1.14.12-1.module+el8.3.0+8784+380394dc.noarch.rpm golang-src-1.14.12-1.module+el8.3.0+8784+380394dc.noarch.rpm golang-tests-1.14.12-1.module+el8.3.0+8784+380394dc.noarch.rpm
ppc64le: go-toolset-1.14.12-1.module+el8.3.0+8784+380394dc.ppc64le.rpm golang-1.14.12-1.module+el8.3.0+8784+380394dc.ppc64le.rpm golang-bin-1.14.12-1.module+el8.3.0+8784+380394dc.ppc64le.rpm
s390x: go-toolset-1.14.12-1.module+el8.3.0+8784+380394dc.s390x.rpm golang-1.14.12-1.module+el8.3.0+8784+380394dc.s390x.rpm golang-bin-1.14.12-1.module+el8.3.0+8784+380394dc.s390x.rpm
x86_64: delve-1.4.1-1.module+el8.3.0+7840+63dfb1ed.x86_64.rpm delve-debuginfo-1.4.1-1.module+el8.3.0+7840+63dfb1ed.x86_64.rpm delve-debugsource-1.4.1-1.module+el8.3.0+7840+63dfb1ed.x86_64.rpm

Read the Full Advisory


Severity
important
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2020:5493-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2020:5493
Issue date: 2020-12-15

Topic

An update for the go-toolset:rhel8 module is now available for Red HatEnterprise Linux 8.Red Hat Product Security has rated this update as having a security impactof Moderate. A Common Vulnerability Scoring System (CVSS) base score, whichgives a detailed severity rating, is available for each vulnerability fromthe CVE link(s) in the References section.

Topics%20covered

Topics Covered

security advisory security update Red Hat software update code execution XSS Red Hat Enterprise Linux moderate severity moderate risk XSS risk go-toolset

Relevant Releases Architectures

Red Hat Enterprise Linux AppStream (v. 8) - aarch64, noarch, ppc64le, s390x, x86_64

Bugs Fixed

1874857 - CVE-2020-24553 golang: default Content-Type setting in net/http/cgi and net/http/fcgi could cause XSS

1897635 - CVE-2020-28362 golang: math/big: panic during recursive division of very large numbers1897643 - CVE-2020-28366 golang: malicious symbol names can lead to code execution at build time

1897646 - CVE-2020-28367 golang: improper validation of cgo flags can lead to code execution at build time

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