ESB-2018.3678 - [RedHat] ghostscript: Multiple vulnerabilities 2018-11-27

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             AUSCERT External Security Bulletin Redistribution

                               ESB-2018.3678
                  Important: ghostscript security update
                             27 November 2018

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

        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:     Execute Arbitrary Code/Commands -- Remote/Unauthenticated
                   Delete Arbitrary Files          -- Remote/Unauthenticated
                   Access Confidential Data        -- Remote/Unauthenticated
Resolution:        Patch/Upgrade
CVE Names:         CVE-2018-16539 CVE-2018-16511 CVE-2018-15909
                   CVE-2018-15908  

Reference:         ESB-2018.2753
                   ESB-2018.2684
                   ESB-2018.2807
                   ESB-2018.2970

Original Bulletin: 
   https://access.redhat.com/errata/RHSA-2018:3650

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                   Red Hat Security Advisory

Synopsis:          Important: ghostscript security update
Advisory ID:       RHSA-2018:3650-01
Product:           Red Hat Enterprise Linux
Advisory URL:      https://access.redhat.com/errata/RHSA-2018:3650
Issue date:        2018-11-26
CVE Names:         CVE-2018-15908 CVE-2018-15909 CVE-2018-16511 
                   CVE-2018-16539 
=====================================================================

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: .tempfile file permission issues (699657) (CVE-2018-15908)

* ghostscript: shading_param incomplete type checking (699660)
(CVE-2018-15909)

* ghostscript: missing type check in type checker (699659) (CVE-2018-16511)

* ghostscript: incorrect access checking in temp file handling to disclose
contents of files (699658) (CVE-2018-16539)

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-2018-15908.

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/):

1619756 - CVE-2018-15908 ghostscript: .tempfile file permission issues (699657)
1621359 - CVE-2018-16511 ghostscript: missing type check in type checker (699659)
1621361 - CVE-2018-15909 ghostscript: shading_param incomplete type checking (699660)
1625839 - CVE-2018-16539 ghostscript: incorrect access checking in temp file handling to disclose contents of files (699658)

6. Package List:

Red Hat Enterprise Linux Client (v. 7):

Source:
ghostscript-9.07-31.el7_6.1.src.rpm

x86_64:
ghostscript-9.07-31.el7_6.1.i686.rpm
ghostscript-9.07-31.el7_6.1.x86_64.rpm
ghostscript-cups-9.07-31.el7_6.1.x86_64.rpm
ghostscript-debuginfo-9.07-31.el7_6.1.i686.rpm
ghostscript-debuginfo-9.07-31.el7_6.1.x86_64.rpm

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

noarch:
ghostscript-doc-9.07-31.el7_6.1.noarch.rpm

x86_64:
ghostscript-debuginfo-9.07-31.el7_6.1.i686.rpm
ghostscript-debuginfo-9.07-31.el7_6.1.x86_64.rpm
ghostscript-devel-9.07-31.el7_6.1.i686.rpm
ghostscript-devel-9.07-31.el7_6.1.x86_64.rpm
ghostscript-gtk-9.07-31.el7_6.1.x86_64.rpm

Red Hat Enterprise Linux ComputeNode (v. 7):

Source:
ghostscript-9.07-31.el7_6.1.src.rpm

x86_64:
ghostscript-9.07-31.el7_6.1.i686.rpm
ghostscript-9.07-31.el7_6.1.x86_64.rpm
ghostscript-cups-9.07-31.el7_6.1.x86_64.rpm
ghostscript-debuginfo-9.07-31.el7_6.1.i686.rpm
ghostscript-debuginfo-9.07-31.el7_6.1.x86_64.rpm

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

noarch:
ghostscript-doc-9.07-31.el7_6.1.noarch.rpm

x86_64:
ghostscript-debuginfo-9.07-31.el7_6.1.i686.rpm
ghostscript-debuginfo-9.07-31.el7_6.1.x86_64.rpm
ghostscript-devel-9.07-31.el7_6.1.i686.rpm
ghostscript-devel-9.07-31.el7_6.1.x86_64.rpm
ghostscript-gtk-9.07-31.el7_6.1.x86_64.rpm

Red Hat Enterprise Linux Server (v. 7):

Source:
ghostscript-9.07-31.el7_6.1.src.rpm

ppc64:
ghostscript-9.07-31.el7_6.1.ppc.rpm
ghostscript-9.07-31.el7_6.1.ppc64.rpm
ghostscript-cups-9.07-31.el7_6.1.ppc64.rpm
ghostscript-debuginfo-9.07-31.el7_6.1.ppc.rpm
ghostscript-debuginfo-9.07-31.el7_6.1.ppc64.rpm

ppc64le:
ghostscript-9.07-31.el7_6.1.ppc64le.rpm
ghostscript-cups-9.07-31.el7_6.1.ppc64le.rpm
ghostscript-debuginfo-9.07-31.el7_6.1.ppc64le.rpm

s390x:
ghostscript-9.07-31.el7_6.1.s390.rpm
ghostscript-9.07-31.el7_6.1.s390x.rpm
ghostscript-cups-9.07-31.el7_6.1.s390x.rpm
ghostscript-debuginfo-9.07-31.el7_6.1.s390.rpm
ghostscript-debuginfo-9.07-31.el7_6.1.s390x.rpm

x86_64:
ghostscript-9.07-31.el7_6.1.i686.rpm
ghostscript-9.07-31.el7_6.1.x86_64.rpm
ghostscript-cups-9.07-31.el7_6.1.x86_64.rpm
ghostscript-debuginfo-9.07-31.el7_6.1.i686.rpm
ghostscript-debuginfo-9.07-31.el7_6.1.x86_64.rpm

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

Source:
ghostscript-9.07-31.el7_6.1.src.rpm

aarch64:
ghostscript-9.07-31.el7_6.1.aarch64.rpm
ghostscript-cups-9.07-31.el7_6.1.aarch64.rpm
ghostscript-debuginfo-9.07-31.el7_6.1.aarch64.rpm

ppc64le:
ghostscript-9.07-31.el7_6.1.ppc64le.rpm
ghostscript-cups-9.07-31.el7_6.1.ppc64le.rpm
ghostscript-debuginfo-9.07-31.el7_6.1.ppc64le.rpm

s390x:
ghostscript-9.07-31.el7_6.1.s390.rpm
ghostscript-9.07-31.el7_6.1.s390x.rpm
ghostscript-cups-9.07-31.el7_6.1.s390x.rpm
ghostscript-debuginfo-9.07-31.el7_6.1.s390.rpm
ghostscript-debuginfo-9.07-31.el7_6.1.s390x.rpm

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

noarch:
ghostscript-doc-9.07-31.el7_6.1.noarch.rpm

ppc64:
ghostscript-debuginfo-9.07-31.el7_6.1.ppc.rpm
ghostscript-debuginfo-9.07-31.el7_6.1.ppc64.rpm
ghostscript-devel-9.07-31.el7_6.1.ppc.rpm
ghostscript-devel-9.07-31.el7_6.1.ppc64.rpm
ghostscript-gtk-9.07-31.el7_6.1.ppc64.rpm

ppc64le:
ghostscript-debuginfo-9.07-31.el7_6.1.ppc64le.rpm
ghostscript-devel-9.07-31.el7_6.1.ppc64le.rpm
ghostscript-gtk-9.07-31.el7_6.1.ppc64le.rpm

s390x:
ghostscript-debuginfo-9.07-31.el7_6.1.s390.rpm
ghostscript-debuginfo-9.07-31.el7_6.1.s390x.rpm
ghostscript-devel-9.07-31.el7_6.1.s390.rpm
ghostscript-devel-9.07-31.el7_6.1.s390x.rpm
ghostscript-gtk-9.07-31.el7_6.1.s390x.rpm

x86_64:
ghostscript-debuginfo-9.07-31.el7_6.1.i686.rpm
ghostscript-debuginfo-9.07-31.el7_6.1.x86_64.rpm
ghostscript-devel-9.07-31.el7_6.1.i686.rpm
ghostscript-devel-9.07-31.el7_6.1.x86_64.rpm
ghostscript-gtk-9.07-31.el7_6.1.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_6.1.aarch64.rpm
ghostscript-devel-9.07-31.el7_6.1.aarch64.rpm
ghostscript-gtk-9.07-31.el7_6.1.aarch64.rpm

noarch:
ghostscript-doc-9.07-31.el7_6.1.noarch.rpm

ppc64le:
ghostscript-debuginfo-9.07-31.el7_6.1.ppc64le.rpm
ghostscript-devel-9.07-31.el7_6.1.ppc64le.rpm
ghostscript-gtk-9.07-31.el7_6.1.ppc64le.rpm

s390x:
ghostscript-debuginfo-9.07-31.el7_6.1.s390.rpm
ghostscript-debuginfo-9.07-31.el7_6.1.s390x.rpm
ghostscript-devel-9.07-31.el7_6.1.s390.rpm
ghostscript-devel-9.07-31.el7_6.1.s390x.rpm
ghostscript-gtk-9.07-31.el7_6.1.s390x.rpm

Red Hat Enterprise Linux Workstation (v. 7):

Source:
ghostscript-9.07-31.el7_6.1.src.rpm

x86_64:
ghostscript-9.07-31.el7_6.1.i686.rpm
ghostscript-9.07-31.el7_6.1.x86_64.rpm
ghostscript-cups-9.07-31.el7_6.1.x86_64.rpm
ghostscript-debuginfo-9.07-31.el7_6.1.i686.rpm
ghostscript-debuginfo-9.07-31.el7_6.1.x86_64.rpm

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

noarch:
ghostscript-doc-9.07-31.el7_6.1.noarch.rpm

x86_64:
ghostscript-debuginfo-9.07-31.el7_6.1.i686.rpm
ghostscript-debuginfo-9.07-31.el7_6.1.x86_64.rpm
ghostscript-devel-9.07-31.el7_6.1.i686.rpm
ghostscript-devel-9.07-31.el7_6.1.x86_64.rpm
ghostscript-gtk-9.07-31.el7_6.1.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-2018-15908
https://access.redhat.com/security/cve/CVE-2018-15909
https://access.redhat.com/security/cve/CVE-2018-16511
https://access.redhat.com/security/cve/CVE-2018-16539
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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