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====================================================================                   
Red Hat Security Advisory

Synopsis:          Important: ghostscript security and bug fix update
Advisory ID:       RHSA-2019:0229-01
Product:           Red Hat Enterprise Linux
Advisory URL:      https://access.redhat.com/errata/RHSA-2019:0229
Issue date:        2019-01-31
CVE Names:         CVE-2018-16540 CVE-2018-19475 CVE-2018-19476
                   CVE-2018-19477 CVE-2019-6116
====================================================================
1. Summary:

An update for ghostscript is now available for Red Hat Enterprise Linux 7.

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 Client (v. 7) - x86_64
Red Hat Enterprise Linux Client Optional (v. 7) - noarch, x86_64
Red Hat Enterprise Linux ComputeNode (v. 7) - x86_64
Red Hat Enterprise Linux ComputeNode Optional (v. 7) - noarch, x86_64
Red Hat Enterprise Linux Server (v. 7) - ppc64, ppc64le, s390x, x86_64
Red Hat Enterprise Linux Server Optional (v. 7) - noarch, ppc64, ppc64le, s390x, x86_64
Red Hat Enterprise Linux Workstation (v. 7) - x86_64
Red Hat Enterprise Linux Workstation Optional (v. 7) - noarch, x86_64
Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server (v. 7) - aarch64, ppc64le, s390x
Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server Optional (v. 7) - aarch64, noarch, ppc64le, s390x

3. Description:

The Ghostscript suite contains utilities for rendering PostScript and PDF
documents. Ghostscript translates PostScript code to common bitmap formats
so that the code can be displayed or printed.

Security Fix(es):

* ghostscript: use-after-free in copydevice handling (699661)
(CVE-2018-16540)

* ghostscript: access bypass in psi/zdevice2.c (700153) (CVE-2018-19475)

* ghostscript: access bypass in psi/zicc.c (700169) (CVE-2018-19476)

* ghostscript: access bypass in psi/zfjbig2.c (700168) (CVE-2018-19477)

* ghostscript: subroutines within pseudo-operators must themselves be
pseudo-operators (700317) (CVE-2019-6116)

For more details about the security issue(s), including the impact, a CVSS
score, and other related information, refer to the CVE page(s) listed in
the References section.

Red Hat would like to thank Tavis Ormandy (Google Project Zero) for
reporting CVE-2019-6116.

Bug Fix(es):

* Previously, ghostscript-9.07-31.el7_6.1 introduced a regression during
the standard input reading, causing a "/invalidfileaccess in --run--"
error. With this update, the regression has been fixed and the described
error no longer occurs. (BZ#1665919)

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/):

1625843 - CVE-2018-16540 ghostscript: use-after-free in copydevice handling (699661)
1654459 - CVE-2018-19475 ghostscript: access bypass in psi/zdevice2.c (700153)
1654464 - CVE-2018-19476 ghostscript: access bypass in psi/zicc.c (700169)
1654468 - CVE-2018-19477 ghostscript: access bypass in psi/zfjbig2.c (700168)
1665919 - ghostscript: Regression: pdf2ps reports an error when reading from stdin (Error: /invalidfileaccess in --run--) [rhel-7.6.z]
1666636 - CVE-2019-6116 ghostscript: subroutines within pseudo-operators must themselves be pseudo-operators (700317)

6. Package List:

Red Hat Enterprise Linux Client (v. 7):

Source:
ghostscript-9.07-31.el7_6.9.src.rpm

x86_64:
ghostscript-9.07-31.el7_6.9.i686.rpm
ghostscript-9.07-31.el7_6.9.x86_64.rpm
ghostscript-cups-9.07-31.el7_6.9.x86_64.rpm
ghostscript-debuginfo-9.07-31.el7_6.9.i686.rpm
ghostscript-debuginfo-9.07-31.el7_6.9.x86_64.rpm

Red Hat Enterprise Linux Client Optional (v. 7):

noarch:
ghostscript-doc-9.07-31.el7_6.9.noarch.rpm

x86_64:
ghostscript-debuginfo-9.07-31.el7_6.9.i686.rpm
ghostscript-debuginfo-9.07-31.el7_6.9.x86_64.rpm
ghostscript-devel-9.07-31.el7_6.9.i686.rpm
ghostscript-devel-9.07-31.el7_6.9.x86_64.rpm
ghostscript-gtk-9.07-31.el7_6.9.x86_64.rpm

Red Hat Enterprise Linux ComputeNode (v. 7):

Source:
ghostscript-9.07-31.el7_6.9.src.rpm

x86_64:
ghostscript-9.07-31.el7_6.9.i686.rpm
ghostscript-9.07-31.el7_6.9.x86_64.rpm
ghostscript-cups-9.07-31.el7_6.9.x86_64.rpm
ghostscript-debuginfo-9.07-31.el7_6.9.i686.rpm
ghostscript-debuginfo-9.07-31.el7_6.9.x86_64.rpm

Red Hat Enterprise Linux ComputeNode Optional (v. 7):

noarch:
ghostscript-doc-9.07-31.el7_6.9.noarch.rpm

x86_64:
ghostscript-debuginfo-9.07-31.el7_6.9.i686.rpm
ghostscript-debuginfo-9.07-31.el7_6.9.x86_64.rpm
ghostscript-devel-9.07-31.el7_6.9.i686.rpm
ghostscript-devel-9.07-31.el7_6.9.x86_64.rpm
ghostscript-gtk-9.07-31.el7_6.9.x86_64.rpm

Red Hat Enterprise Linux Server (v. 7):

Source:
ghostscript-9.07-31.el7_6.9.src.rpm

ppc64:
ghostscript-9.07-31.el7_6.9.ppc.rpm
ghostscript-9.07-31.el7_6.9.ppc64.rpm
ghostscript-cups-9.07-31.el7_6.9.ppc64.rpm
ghostscript-debuginfo-9.07-31.el7_6.9.ppc.rpm
ghostscript-debuginfo-9.07-31.el7_6.9.ppc64.rpm

ppc64le:
ghostscript-9.07-31.el7_6.9.ppc64le.rpm
ghostscript-cups-9.07-31.el7_6.9.ppc64le.rpm
ghostscript-debuginfo-9.07-31.el7_6.9.ppc64le.rpm

s390x:
ghostscript-9.07-31.el7_6.9.s390.rpm
ghostscript-9.07-31.el7_6.9.s390x.rpm
ghostscript-cups-9.07-31.el7_6.9.s390x.rpm
ghostscript-debuginfo-9.07-31.el7_6.9.s390.rpm
ghostscript-debuginfo-9.07-31.el7_6.9.s390x.rpm

x86_64:
ghostscript-9.07-31.el7_6.9.i686.rpm
ghostscript-9.07-31.el7_6.9.x86_64.rpm
ghostscript-cups-9.07-31.el7_6.9.x86_64.rpm
ghostscript-debuginfo-9.07-31.el7_6.9.i686.rpm
ghostscript-debuginfo-9.07-31.el7_6.9.x86_64.rpm

Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server (v. 7):

Source:
ghostscript-9.07-31.el7_6.9.src.rpm

aarch64:
ghostscript-9.07-31.el7_6.9.aarch64.rpm
ghostscript-cups-9.07-31.el7_6.9.aarch64.rpm
ghostscript-debuginfo-9.07-31.el7_6.9.aarch64.rpm

ppc64le:
ghostscript-9.07-31.el7_6.9.ppc64le.rpm
ghostscript-cups-9.07-31.el7_6.9.ppc64le.rpm
ghostscript-debuginfo-9.07-31.el7_6.9.ppc64le.rpm

s390x:
ghostscript-9.07-31.el7_6.9.s390.rpm
ghostscript-9.07-31.el7_6.9.s390x.rpm
ghostscript-cups-9.07-31.el7_6.9.s390x.rpm
ghostscript-debuginfo-9.07-31.el7_6.9.s390.rpm
ghostscript-debuginfo-9.07-31.el7_6.9.s390x.rpm

Red Hat Enterprise Linux Server Optional (v. 7):

noarch:
ghostscript-doc-9.07-31.el7_6.9.noarch.rpm

ppc64:
ghostscript-debuginfo-9.07-31.el7_6.9.ppc.rpm
ghostscript-debuginfo-9.07-31.el7_6.9.ppc64.rpm
ghostscript-devel-9.07-31.el7_6.9.ppc.rpm
ghostscript-devel-9.07-31.el7_6.9.ppc64.rpm
ghostscript-gtk-9.07-31.el7_6.9.ppc64.rpm

ppc64le:
ghostscript-debuginfo-9.07-31.el7_6.9.ppc64le.rpm
ghostscript-devel-9.07-31.el7_6.9.ppc64le.rpm
ghostscript-gtk-9.07-31.el7_6.9.ppc64le.rpm

s390x:
ghostscript-debuginfo-9.07-31.el7_6.9.s390.rpm
ghostscript-debuginfo-9.07-31.el7_6.9.s390x.rpm
ghostscript-devel-9.07-31.el7_6.9.s390.rpm
ghostscript-devel-9.07-31.el7_6.9.s390x.rpm
ghostscript-gtk-9.07-31.el7_6.9.s390x.rpm

x86_64:
ghostscript-debuginfo-9.07-31.el7_6.9.i686.rpm
ghostscript-debuginfo-9.07-31.el7_6.9.x86_64.rpm
ghostscript-devel-9.07-31.el7_6.9.i686.rpm
ghostscript-devel-9.07-31.el7_6.9.x86_64.rpm
ghostscript-gtk-9.07-31.el7_6.9.x86_64.rpm

Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server Optional (v. 7):

aarch64:
ghostscript-debuginfo-9.07-31.el7_6.9.aarch64.rpm
ghostscript-devel-9.07-31.el7_6.9.aarch64.rpm
ghostscript-gtk-9.07-31.el7_6.9.aarch64.rpm

noarch:
ghostscript-doc-9.07-31.el7_6.9.noarch.rpm

ppc64le:
ghostscript-debuginfo-9.07-31.el7_6.9.ppc64le.rpm
ghostscript-devel-9.07-31.el7_6.9.ppc64le.rpm
ghostscript-gtk-9.07-31.el7_6.9.ppc64le.rpm

s390x:
ghostscript-debuginfo-9.07-31.el7_6.9.s390.rpm
ghostscript-debuginfo-9.07-31.el7_6.9.s390x.rpm
ghostscript-devel-9.07-31.el7_6.9.s390.rpm
ghostscript-devel-9.07-31.el7_6.9.s390x.rpm
ghostscript-gtk-9.07-31.el7_6.9.s390x.rpm

Red Hat Enterprise Linux Workstation (v. 7):

Source:
ghostscript-9.07-31.el7_6.9.src.rpm

x86_64:
ghostscript-9.07-31.el7_6.9.i686.rpm
ghostscript-9.07-31.el7_6.9.x86_64.rpm
ghostscript-cups-9.07-31.el7_6.9.x86_64.rpm
ghostscript-debuginfo-9.07-31.el7_6.9.i686.rpm
ghostscript-debuginfo-9.07-31.el7_6.9.x86_64.rpm

Red Hat Enterprise Linux Workstation Optional (v. 7):

noarch:
ghostscript-doc-9.07-31.el7_6.9.noarch.rpm

x86_64:
ghostscript-debuginfo-9.07-31.el7_6.9.i686.rpm
ghostscript-debuginfo-9.07-31.el7_6.9.x86_64.rpm
ghostscript-devel-9.07-31.el7_6.9.i686.rpm
ghostscript-devel-9.07-31.el7_6.9.x86_64.rpm
ghostscript-gtk-9.07-31.el7_6.9.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-2018-16540
https://access.redhat.com/security/cve/CVE-2018-19475
https://access.redhat.com/security/cve/CVE-2018-19476
https://access.redhat.com/security/cve/CVE-2018-19477
https://access.redhat.com/security/cve/CVE-2019-6116
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 2019 Red Hat, Inc.
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