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

Synopsis:          Important: ghostscript security update
Advisory ID:       RHSA-2018:3760-01
Product:           Red Hat Enterprise Linux
Advisory URL:      https://access.redhat.com/errata/RHSA-2018:3760
Issue date:        2018-12-03
CVE Names:         CVE-2018-16509
====================================================================
1. Summary:

An update for ghostscript 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 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):

* It was discovered that the ghostscript /invalidaccess checks fail under
certain conditions. An attacker could possibly exploit this to bypass the
- -dSAFER protection and, for example, execute arbitrary shell commands via a
specially crafted PostScript document. (CVE-2018-16509)

Red Hat would like to thank Tavis Ormandy (Google Project Zero) for
reporting this issue.

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/):

1619748 - CVE-2018-16509 ghostscript: /invalidaccess bypass after failed restore (699654)

6. Package List:

Red Hat Enterprise Linux Desktop (v. 6):

Source:
ghostscript-8.70-24.el6_10.2.src.rpm

i386:
ghostscript-8.70-24.el6_10.2.i686.rpm
ghostscript-debuginfo-8.70-24.el6_10.2.i686.rpm

x86_64:
ghostscript-8.70-24.el6_10.2.i686.rpm
ghostscript-8.70-24.el6_10.2.x86_64.rpm
ghostscript-debuginfo-8.70-24.el6_10.2.i686.rpm
ghostscript-debuginfo-8.70-24.el6_10.2.x86_64.rpm

Red Hat Enterprise Linux Desktop Optional (v. 6):

i386:
ghostscript-debuginfo-8.70-24.el6_10.2.i686.rpm
ghostscript-devel-8.70-24.el6_10.2.i686.rpm
ghostscript-doc-8.70-24.el6_10.2.i686.rpm
ghostscript-gtk-8.70-24.el6_10.2.i686.rpm

x86_64:
ghostscript-debuginfo-8.70-24.el6_10.2.i686.rpm
ghostscript-debuginfo-8.70-24.el6_10.2.x86_64.rpm
ghostscript-devel-8.70-24.el6_10.2.i686.rpm
ghostscript-devel-8.70-24.el6_10.2.x86_64.rpm
ghostscript-doc-8.70-24.el6_10.2.x86_64.rpm
ghostscript-gtk-8.70-24.el6_10.2.x86_64.rpm

Red Hat Enterprise Linux HPC Node (v. 6):

Source:
ghostscript-8.70-24.el6_10.2.src.rpm

x86_64:
ghostscript-8.70-24.el6_10.2.i686.rpm
ghostscript-8.70-24.el6_10.2.x86_64.rpm
ghostscript-debuginfo-8.70-24.el6_10.2.i686.rpm
ghostscript-debuginfo-8.70-24.el6_10.2.x86_64.rpm

Red Hat Enterprise Linux HPC Node Optional (v. 6):

x86_64:
ghostscript-debuginfo-8.70-24.el6_10.2.i686.rpm
ghostscript-debuginfo-8.70-24.el6_10.2.x86_64.rpm
ghostscript-devel-8.70-24.el6_10.2.i686.rpm
ghostscript-devel-8.70-24.el6_10.2.x86_64.rpm
ghostscript-doc-8.70-24.el6_10.2.x86_64.rpm
ghostscript-gtk-8.70-24.el6_10.2.x86_64.rpm

Red Hat Enterprise Linux Server (v. 6):

Source:
ghostscript-8.70-24.el6_10.2.src.rpm

i386:
ghostscript-8.70-24.el6_10.2.i686.rpm
ghostscript-debuginfo-8.70-24.el6_10.2.i686.rpm

ppc64:
ghostscript-8.70-24.el6_10.2.ppc.rpm
ghostscript-8.70-24.el6_10.2.ppc64.rpm
ghostscript-debuginfo-8.70-24.el6_10.2.ppc.rpm
ghostscript-debuginfo-8.70-24.el6_10.2.ppc64.rpm

s390x:
ghostscript-8.70-24.el6_10.2.s390.rpm
ghostscript-8.70-24.el6_10.2.s390x.rpm
ghostscript-debuginfo-8.70-24.el6_10.2.s390.rpm
ghostscript-debuginfo-8.70-24.el6_10.2.s390x.rpm

x86_64:
ghostscript-8.70-24.el6_10.2.i686.rpm
ghostscript-8.70-24.el6_10.2.x86_64.rpm
ghostscript-debuginfo-8.70-24.el6_10.2.i686.rpm
ghostscript-debuginfo-8.70-24.el6_10.2.x86_64.rpm

Red Hat Enterprise Linux Server Optional (v. 6):

i386:
ghostscript-debuginfo-8.70-24.el6_10.2.i686.rpm
ghostscript-devel-8.70-24.el6_10.2.i686.rpm
ghostscript-doc-8.70-24.el6_10.2.i686.rpm
ghostscript-gtk-8.70-24.el6_10.2.i686.rpm

ppc64:
ghostscript-debuginfo-8.70-24.el6_10.2.ppc.rpm
ghostscript-debuginfo-8.70-24.el6_10.2.ppc64.rpm
ghostscript-devel-8.70-24.el6_10.2.ppc.rpm
ghostscript-devel-8.70-24.el6_10.2.ppc64.rpm
ghostscript-doc-8.70-24.el6_10.2.ppc64.rpm
ghostscript-gtk-8.70-24.el6_10.2.ppc64.rpm

s390x:
ghostscript-debuginfo-8.70-24.el6_10.2.s390.rpm
ghostscript-debuginfo-8.70-24.el6_10.2.s390x.rpm
ghostscript-devel-8.70-24.el6_10.2.s390.rpm
ghostscript-devel-8.70-24.el6_10.2.s390x.rpm
ghostscript-doc-8.70-24.el6_10.2.s390x.rpm
ghostscript-gtk-8.70-24.el6_10.2.s390x.rpm

x86_64:
ghostscript-debuginfo-8.70-24.el6_10.2.i686.rpm
ghostscript-debuginfo-8.70-24.el6_10.2.x86_64.rpm
ghostscript-devel-8.70-24.el6_10.2.i686.rpm
ghostscript-devel-8.70-24.el6_10.2.x86_64.rpm
ghostscript-doc-8.70-24.el6_10.2.x86_64.rpm
ghostscript-gtk-8.70-24.el6_10.2.x86_64.rpm

Red Hat Enterprise Linux Workstation (v. 6):

Source:
ghostscript-8.70-24.el6_10.2.src.rpm

i386:
ghostscript-8.70-24.el6_10.2.i686.rpm
ghostscript-debuginfo-8.70-24.el6_10.2.i686.rpm

x86_64:
ghostscript-8.70-24.el6_10.2.i686.rpm
ghostscript-8.70-24.el6_10.2.x86_64.rpm
ghostscript-debuginfo-8.70-24.el6_10.2.i686.rpm
ghostscript-debuginfo-8.70-24.el6_10.2.x86_64.rpm

Red Hat Enterprise Linux Workstation Optional (v. 6):

i386:
ghostscript-debuginfo-8.70-24.el6_10.2.i686.rpm
ghostscript-devel-8.70-24.el6_10.2.i686.rpm
ghostscript-doc-8.70-24.el6_10.2.i686.rpm
ghostscript-gtk-8.70-24.el6_10.2.i686.rpm

x86_64:
ghostscript-debuginfo-8.70-24.el6_10.2.i686.rpm
ghostscript-debuginfo-8.70-24.el6_10.2.x86_64.rpm
ghostscript-devel-8.70-24.el6_10.2.i686.rpm
ghostscript-devel-8.70-24.el6_10.2.x86_64.rpm
ghostscript-doc-8.70-24.el6_10.2.x86_64.rpm
ghostscript-gtk-8.70-24.el6_10.2.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-2018-16509
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 2018 Red Hat, Inc.
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