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Red Hat Security Advisory 2019-0229-01

Red Hat Security Advisory 2019-0229-01
Posted Feb 1, 2019
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2019-0229-01 - 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. Issues addressed include bypass and use-after-free vulnerabilities.

tags | advisory, vulnerability
systems | linux, redhat
advisories | CVE-2018-16540, CVE-2018-19475, CVE-2018-19476, CVE-2018-19477, CVE-2019-6116
MD5 | 6e1e7d88f9cb72b2d5f893781e6d62de

Red Hat Security Advisory 2019-0229-01

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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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