RedHat: RHSA-2021-4156:02 Moderate: go-toolset:rhel8 security, bug fix,
Summary
Go Toolset provides the Go programming language tools and libraries. Go is
alternatively known as golang.
The following packages have been upgraded to a later upstream version:
golang (1.16.7). (BZ#1938071)
Security Fix(es):
* 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)
* golang: math/big.Rat: may cause a panic or an unrecoverable fatal error
if passed inputs with very large exponents (CVE-2021-33198)
* golang: net/http/httputil: panic due to racy read of persistConn after
handler panic (CVE-2021-36221)
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.
Additional Changes:
For detailed information on changes in this release, see the Red Hat
Enterprise Linux 8.5 Release Notes linked from the References section.
Summary
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
References
https://access.redhat.com/security/cve/CVE-2021-33195 https://access.redhat.com/security/cve/CVE-2021-33197 https://access.redhat.com/security/cve/CVE-2021-33198 https://access.redhat.com/security/cve/CVE-2021-36221 https://access.redhat.com/security/updates/classification/#moderate https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/html/8.5_release_notes/
Package List
Red Hat Enterprise Linux AppStream (v. 8):
Source:
delve-1.6.0-1.module+el8.5.0+10379+d6b83bd0.src.rpm
go-toolset-1.16.7-1.module+el8.5.0+12246+1aac4e3f.src.rpm
golang-1.16.7-1.module+el8.5.0+12246+1aac4e3f.src.rpm
aarch64:
go-toolset-1.16.7-1.module+el8.5.0+12246+1aac4e3f.aarch64.rpm
golang-1.16.7-1.module+el8.5.0+12246+1aac4e3f.aarch64.rpm
golang-bin-1.16.7-1.module+el8.5.0+12246+1aac4e3f.aarch64.rpm
noarch:
golang-docs-1.16.7-1.module+el8.5.0+12246+1aac4e3f.noarch.rpm
golang-misc-1.16.7-1.module+el8.5.0+12246+1aac4e3f.noarch.rpm
golang-src-1.16.7-1.module+el8.5.0+12246+1aac4e3f.noarch.rpm
golang-tests-1.16.7-1.module+el8.5.0+12246+1aac4e3f.noarch.rpm
ppc64le:
go-toolset-1.16.7-1.module+el8.5.0+12246+1aac4e3f.ppc64le.rpm
golang-1.16.7-1.module+el8.5.0+12246+1aac4e3f.ppc64le.rpm
golang-bin-1.16.7-1.module+el8.5.0+12246+1aac4e3f.ppc64le.rpm
s390x:
go-toolset-1.16.7-1.module+el8.5.0+12246+1aac4e3f.s390x.rpm
golang-1.16.7-1.module+el8.5.0+12246+1aac4e3f.s390x.rpm
golang-bin-1.16.7-1.module+el8.5.0+12246+1aac4e3f.s390x.rpm
x86_64:
delve-1.6.0-1.module+el8.5.0+10379+d6b83bd0.x86_64.rpm
delve-debuginfo-1.6.0-1.module+el8.5.0+10379+d6b83bd0.x86_64.rpm
delve-debugsource-1.6.0-1.module+el8.5.0+10379+d6b83bd0.x86_64.rpm
go-toolset-1.16.7-1.module+el8.5.0+12246+1aac4e3f.x86_64.rpm
golang-1.16.7-1.module+el8.5.0+12246+1aac4e3f.x86_64.rpm
golang-bin-1.16.7-1.module+el8.5.0+12246+1aac4e3f.x86_64.rpm
golang-race-1.16.7-1.module+el8.5.0+12246+1aac4e3f.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/
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.
Topic
Relevant Releases Architectures
Red Hat Enterprise Linux AppStream (v. 8) - aarch64, noarch, ppc64le, s390x, x86_64
Bugs Fixed
1972825 - FIPS mode AES CBC CryptBlocks incorrectly re-initializes IV in file crypto/internal/boring/aes.go
1976168 - TestBoringServerCurves from crypto/tls fails when executed separately [rhel-8]
1979100 - FIPS mode AES CBC Decrypter produces incorrect result
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
1989575 - CVE-2021-33198 golang: math/big.Rat: may cause a panic or an unrecoverable fatal error if passed inputs with very large exponents
1995656 - CVE-2021-36221 golang: net/http/httputil: panic due to racy read of persistConn after handler panic