ESB-2017.1891 - [RedHat] ghostscript: Denial of service - Remote with user interaction 2017-08-02

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===========================================================================
             AUSCERT External Security Bulletin Redistribution

                               ESB-2017.1891
               Low: ghostscript security and bug fix update
                               2 August 2017

===========================================================================

        AusCERT Security Bulletin Summary
        ---------------------------------

Product:           ghostscript
Publisher:         Red Hat
Operating System:  Red Hat Enterprise Linux Server 7
                   Red Hat Enterprise Linux WS/Desktop 7
Impact/Access:     Denial of Service -- Remote with User Interaction
Resolution:        Patch/Upgrade
CVE Names:         CVE-2017-7207  

Reference:         ESB-2017.1071
                   ESB-2017.1065

Original Bulletin: 
   https://access.redhat.com/errata/RHSA-2017:2180

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

Synopsis:          Low: ghostscript security and bug fix update
Advisory ID:       RHSA-2017:2180-01
Product:           Red Hat Enterprise Linux
Advisory URL:      https://access.redhat.com/errata/RHSA-2017:2180
Issue date:        2017-08-01
CVE Names:         CVE-2017-7207 
=====================================================================

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 Low. 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) - aarch64, ppc64, ppc64le, s390x, x86_64
Red Hat Enterprise Linux Server Optional (v. 7) - aarch64, 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

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):

* A NULL pointer dereference flaw was found in ghostscript's
mem_get_bits_rectangle function. A specially crafted postscript document
could cause a crash in the context of the gs process. (CVE-2017-7207)

Additional Changes:

For detailed information on changes in this release, see the Red Hat
Enterprise Linux 7.4 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/):

1411725 - Ghostscript regression, .eps files no longer work
1424752 - ghostscript bug creates high CPU load and hangs
1434353 - CVE-2017-7207 ghostscript: NULL pointer dereference in mem_get_bits_rectangle()
1436273 - ghostscript update cause symbol lookup error

6. Package List:

Red Hat Enterprise Linux Client (v. 7):

Source:
ghostscript-9.07-28.el7.src.rpm

x86_64:
ghostscript-9.07-28.el7.i686.rpm
ghostscript-9.07-28.el7.x86_64.rpm
ghostscript-cups-9.07-28.el7.x86_64.rpm
ghostscript-debuginfo-9.07-28.el7.i686.rpm
ghostscript-debuginfo-9.07-28.el7.x86_64.rpm

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

noarch:
ghostscript-doc-9.07-28.el7.noarch.rpm

x86_64:
ghostscript-debuginfo-9.07-28.el7.i686.rpm
ghostscript-debuginfo-9.07-28.el7.x86_64.rpm
ghostscript-devel-9.07-28.el7.i686.rpm
ghostscript-devel-9.07-28.el7.x86_64.rpm
ghostscript-gtk-9.07-28.el7.x86_64.rpm

Red Hat Enterprise Linux ComputeNode (v. 7):

Source:
ghostscript-9.07-28.el7.src.rpm

x86_64:
ghostscript-9.07-28.el7.i686.rpm
ghostscript-9.07-28.el7.x86_64.rpm
ghostscript-cups-9.07-28.el7.x86_64.rpm
ghostscript-debuginfo-9.07-28.el7.i686.rpm
ghostscript-debuginfo-9.07-28.el7.x86_64.rpm

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

noarch:
ghostscript-doc-9.07-28.el7.noarch.rpm

x86_64:
ghostscript-debuginfo-9.07-28.el7.i686.rpm
ghostscript-debuginfo-9.07-28.el7.x86_64.rpm
ghostscript-devel-9.07-28.el7.i686.rpm
ghostscript-devel-9.07-28.el7.x86_64.rpm
ghostscript-gtk-9.07-28.el7.x86_64.rpm

Red Hat Enterprise Linux Server (v. 7):

Source:
ghostscript-9.07-28.el7.src.rpm

aarch64:
ghostscript-9.07-28.el7.aarch64.rpm
ghostscript-cups-9.07-28.el7.aarch64.rpm
ghostscript-debuginfo-9.07-28.el7.aarch64.rpm

ppc64:
ghostscript-9.07-28.el7.ppc.rpm
ghostscript-9.07-28.el7.ppc64.rpm
ghostscript-cups-9.07-28.el7.ppc64.rpm
ghostscript-debuginfo-9.07-28.el7.ppc.rpm
ghostscript-debuginfo-9.07-28.el7.ppc64.rpm

ppc64le:
ghostscript-9.07-28.el7.ppc64le.rpm
ghostscript-cups-9.07-28.el7.ppc64le.rpm
ghostscript-debuginfo-9.07-28.el7.ppc64le.rpm

s390x:
ghostscript-9.07-28.el7.s390.rpm
ghostscript-9.07-28.el7.s390x.rpm
ghostscript-cups-9.07-28.el7.s390x.rpm
ghostscript-debuginfo-9.07-28.el7.s390.rpm
ghostscript-debuginfo-9.07-28.el7.s390x.rpm

x86_64:
ghostscript-9.07-28.el7.i686.rpm
ghostscript-9.07-28.el7.x86_64.rpm
ghostscript-cups-9.07-28.el7.x86_64.rpm
ghostscript-debuginfo-9.07-28.el7.i686.rpm
ghostscript-debuginfo-9.07-28.el7.x86_64.rpm

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

aarch64:
ghostscript-debuginfo-9.07-28.el7.aarch64.rpm
ghostscript-devel-9.07-28.el7.aarch64.rpm
ghostscript-gtk-9.07-28.el7.aarch64.rpm

noarch:
ghostscript-doc-9.07-28.el7.noarch.rpm

ppc64:
ghostscript-debuginfo-9.07-28.el7.ppc.rpm
ghostscript-debuginfo-9.07-28.el7.ppc64.rpm
ghostscript-devel-9.07-28.el7.ppc.rpm
ghostscript-devel-9.07-28.el7.ppc64.rpm
ghostscript-gtk-9.07-28.el7.ppc64.rpm

ppc64le:
ghostscript-debuginfo-9.07-28.el7.ppc64le.rpm
ghostscript-devel-9.07-28.el7.ppc64le.rpm
ghostscript-gtk-9.07-28.el7.ppc64le.rpm

s390x:
ghostscript-debuginfo-9.07-28.el7.s390.rpm
ghostscript-debuginfo-9.07-28.el7.s390x.rpm
ghostscript-devel-9.07-28.el7.s390.rpm
ghostscript-devel-9.07-28.el7.s390x.rpm
ghostscript-gtk-9.07-28.el7.s390x.rpm

x86_64:
ghostscript-debuginfo-9.07-28.el7.i686.rpm
ghostscript-debuginfo-9.07-28.el7.x86_64.rpm
ghostscript-devel-9.07-28.el7.i686.rpm
ghostscript-devel-9.07-28.el7.x86_64.rpm
ghostscript-gtk-9.07-28.el7.x86_64.rpm

Red Hat Enterprise Linux Workstation (v. 7):

Source:
ghostscript-9.07-28.el7.src.rpm

x86_64:
ghostscript-9.07-28.el7.i686.rpm
ghostscript-9.07-28.el7.x86_64.rpm
ghostscript-cups-9.07-28.el7.x86_64.rpm
ghostscript-debuginfo-9.07-28.el7.i686.rpm
ghostscript-debuginfo-9.07-28.el7.x86_64.rpm

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

noarch:
ghostscript-doc-9.07-28.el7.noarch.rpm

x86_64:
ghostscript-debuginfo-9.07-28.el7.i686.rpm
ghostscript-debuginfo-9.07-28.el7.x86_64.rpm
ghostscript-devel-9.07-28.el7.i686.rpm
ghostscript-devel-9.07-28.el7.x86_64.rpm
ghostscript-gtk-9.07-28.el7.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-2017-7207
https://access.redhat.com/security/updates/classification/#low
https://access.redhat.com/documentation/en-US/Red_Hat_Enterprise_Linux/7/html/7.4_Release_Notes/index.html

8. Contact:

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

Copyright 2017 Red Hat, Inc.
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