—–BEGIN PGP SIGNED MESSAGE—–
Hash: SHA256
=====================================================================
Red Hat Security Advisory
Synopsis: Important: zsh security update
Advisory ID: RHSA-2020:0892-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2020:0892
Issue date: 2020-03-18
CVE Names: CVE-2019-20044
=====================================================================
1. Summary:
An update for zsh is now available for Red Hat Enterprise Linux 6.
Red Hat Product Security has rated this update as having a security impact
of Important. 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 Desktop (v. 6) – i386, x86_64
Red Hat Enterprise Linux Desktop Optional (v. 6) – i386, x86_64
Red Hat Enterprise Linux HPC Node (v. 6) – x86_64
Red Hat Enterprise Linux HPC Node Optional (v. 6) – x86_64
Red Hat Enterprise Linux Server (v. 6) – i386, ppc64, s390x, x86_64
Red Hat Enterprise Linux Server Optional (v. 6) – i386, ppc64, s390x, x86_64
Red Hat Enterprise Linux Workstation (v. 6) – i386, x86_64
Red Hat Enterprise Linux Workstation Optional (v. 6) – i386, 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: insecure dropping of privileges when unsetting PRIVILEGED option
(CVE-2019-20044)
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.
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/):
1804859 – CVE-2019-20044 zsh: insecure dropping of privileges when unsetting PRIVILEGED option
6. Package List:
Red Hat Enterprise Linux Desktop (v. 6):
Source:
zsh-4.3.11-11.el6_10.src.rpm
i386:
zsh-4.3.11-11.el6_10.i686.rpm
zsh-debuginfo-4.3.11-11.el6_10.i686.rpm
x86_64:
zsh-4.3.11-11.el6_10.x86_64.rpm
zsh-debuginfo-4.3.11-11.el6_10.x86_64.rpm
Red Hat Enterprise Linux Desktop Optional (v. 6):
i386:
zsh-debuginfo-4.3.11-11.el6_10.i686.rpm
zsh-html-4.3.11-11.el6_10.i686.rpm
x86_64:
zsh-debuginfo-4.3.11-11.el6_10.x86_64.rpm
zsh-html-4.3.11-11.el6_10.x86_64.rpm
Red Hat Enterprise Linux HPC Node (v. 6):
Source:
zsh-4.3.11-11.el6_10.src.rpm
x86_64:
zsh-4.3.11-11.el6_10.x86_64.rpm
zsh-debuginfo-4.3.11-11.el6_10.x86_64.rpm
Red Hat Enterprise Linux HPC Node Optional (v. 6):
x86_64:
zsh-debuginfo-4.3.11-11.el6_10.x86_64.rpm
zsh-html-4.3.11-11.el6_10.x86_64.rpm
Red Hat Enterprise Linux Server (v. 6):
Source:
zsh-4.3.11-11.el6_10.src.rpm
i386:
zsh-4.3.11-11.el6_10.i686.rpm
zsh-debuginfo-4.3.11-11.el6_10.i686.rpm
ppc64:
zsh-4.3.11-11.el6_10.ppc64.rpm
zsh-debuginfo-4.3.11-11.el6_10.ppc64.rpm
s390x:
zsh-4.3.11-11.el6_10.s390x.rpm
zsh-debuginfo-4.3.11-11.el6_10.s390x.rpm
x86_64:
zsh-4.3.11-11.el6_10.x86_64.rpm
zsh-debuginfo-4.3.11-11.el6_10.x86_64.rpm
Red Hat Enterprise Linux Server Optional (v. 6):
i386:
zsh-debuginfo-4.3.11-11.el6_10.i686.rpm
zsh-html-4.3.11-11.el6_10.i686.rpm
ppc64:
zsh-debuginfo-4.3.11-11.el6_10.ppc64.rpm
zsh-html-4.3.11-11.el6_10.ppc64.rpm
s390x:
zsh-debuginfo-4.3.11-11.el6_10.s390x.rpm
zsh-html-4.3.11-11.el6_10.s390x.rpm
x86_64:
zsh-debuginfo-4.3.11-11.el6_10.x86_64.rpm
zsh-html-4.3.11-11.el6_10.x86_64.rpm
Red Hat Enterprise Linux Workstation (v. 6):
Source:
zsh-4.3.11-11.el6_10.src.rpm
i386:
zsh-4.3.11-11.el6_10.i686.rpm
zsh-debuginfo-4.3.11-11.el6_10.i686.rpm
x86_64:
zsh-4.3.11-11.el6_10.x86_64.rpm
zsh-debuginfo-4.3.11-11.el6_10.x86_64.rpm
Red Hat Enterprise Linux Workstation Optional (v. 6):
i386:
zsh-debuginfo-4.3.11-11.el6_10.i686.rpm
zsh-html-4.3.11-11.el6_10.i686.rpm
x86_64:
zsh-debuginfo-4.3.11-11.el6_10.x86_64.rpm
zsh-html-4.3.11-11.el6_10.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-2019-20044
https://access.redhat.com/security/updates/classification/#important
8. Contact:
The Red Hat security contact is <secalert@redhat.com>. More contact
details at https://access.redhat.com/security/team/contact/
Copyright 2020 Red Hat, Inc.
—–BEGIN PGP SIGNATURE—–
Version: GnuPG v1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=QFxN
—–END PGP SIGNATURE—–
—
RHSA-announce mailing list
RHSA-announce@redhat.com
https://www.redhat.com/mailman/listinfo/rhsa-announce
