RedHat: RHSA-2022-2120:01 Moderate: zsh security update | LinuxSecu...
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=====================================================================
                   Red Hat Security Advisory

Synopsis:          Moderate: zsh security update
Advisory ID:       RHSA-2022:2120-01
Product:           Red Hat Enterprise Linux
Advisory URL:      https://access.redhat.com/errata/RHSA-2022:2120
Issue date:        2022-05-10
CVE Names:         CVE-2021-45444 
=====================================================================

1. Summary:

An update for zsh is now available for Red Hat Enterprise Linux 8.

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

3. Description:

The zsh shell is a command interpreter usable as an interactive login shell
and as a shell script command processor. Zsh resembles the ksh shell (the
Korn shell), but includes many enhancements. Zsh supports command-line
editing, built-in spelling correction, programmable command completion,
shell functions (with autoloading), a history mechanism, and more.

Security Fix(es):

* zsh: Prompt expansion vulnerability (CVE-2021-45444)

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 8.6 Release Notes linked from 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/):

2054089 - CVE-2021-45444 zsh: Prompt expansion vulnerability

6. Package List:

Red Hat Enterprise Linux AppStream (v. 8):

noarch:
zsh-html-5.5.1-9.el8.noarch.rpm

Red Hat Enterprise Linux BaseOS (v. 8):

Source:
zsh-5.5.1-9.el8.src.rpm

aarch64:
zsh-5.5.1-9.el8.aarch64.rpm
zsh-debuginfo-5.5.1-9.el8.aarch64.rpm
zsh-debugsource-5.5.1-9.el8.aarch64.rpm

ppc64le:
zsh-5.5.1-9.el8.ppc64le.rpm
zsh-debuginfo-5.5.1-9.el8.ppc64le.rpm
zsh-debugsource-5.5.1-9.el8.ppc64le.rpm

s390x:
zsh-5.5.1-9.el8.s390x.rpm
zsh-debuginfo-5.5.1-9.el8.s390x.rpm
zsh-debugsource-5.5.1-9.el8.s390x.rpm

x86_64:
zsh-5.5.1-9.el8.x86_64.rpm
zsh-debuginfo-5.5.1-9.el8.x86_64.rpm
zsh-debugsource-5.5.1-9.el8.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-2021-45444
https://access.redhat.com/security/updates/classification/#moderate
https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/html/8.6_release_notes/

8. Contact:

The Red Hat security contact is . More contact
details at https://access.redhat.com/security/team/contact/

Copyright 2022 Red Hat, Inc.
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RedHat: RHSA-2022-2120:01 Moderate: zsh security update

An update for zsh is now available for Red Hat Enterprise Linux 8

Summary

The zsh shell is a command interpreter usable as an interactive login shell and as a shell script command processor. Zsh resembles the ksh shell (the Korn shell), but includes many enhancements. Zsh supports command-line editing, built-in spelling correction, programmable command completion, shell functions (with autoloading), a history mechanism, and more.
Security Fix(es):
* zsh: Prompt expansion vulnerability (CVE-2021-45444)
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 8.6 Release Notes linked from the References section.

Solution

For details on how to apply this update, which includes the changesdescribed in this advisory, refer to:https://access.redhat.com/articles/11258

References

https://access.redhat.com/security/cve/CVE-2021-45444 https://access.redhat.com/security/updates/classification/#moderate https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/html/8.6_release_notes/

Package List

Red Hat Enterprise Linux AppStream (v. 8):
noarch: zsh-html-5.5.1-9.el8.noarch.rpm
Red Hat Enterprise Linux BaseOS (v. 8):
Source: zsh-5.5.1-9.el8.src.rpm
aarch64: zsh-5.5.1-9.el8.aarch64.rpm zsh-debuginfo-5.5.1-9.el8.aarch64.rpm zsh-debugsource-5.5.1-9.el8.aarch64.rpm
ppc64le: zsh-5.5.1-9.el8.ppc64le.rpm zsh-debuginfo-5.5.1-9.el8.ppc64le.rpm zsh-debugsource-5.5.1-9.el8.ppc64le.rpm
s390x: zsh-5.5.1-9.el8.s390x.rpm zsh-debuginfo-5.5.1-9.el8.s390x.rpm zsh-debugsource-5.5.1-9.el8.s390x.rpm
x86_64: zsh-5.5.1-9.el8.x86_64.rpm zsh-debuginfo-5.5.1-9.el8.x86_64.rpm zsh-debugsource-5.5.1-9.el8.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/

Severity
Advisory ID: RHSA-2022:2120-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2022:2120
Issued Date: : 2022-05-10
CVE Names: CVE-2021-45444

Topic

An update for zsh is now available for Red Hat Enterprise 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.

Relevant Releases Architectures

Red Hat Enterprise Linux AppStream (v. 8) - noarch

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

Bugs Fixed

2054089 - CVE-2021-45444 zsh: Prompt expansion vulnerability

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