Executive Summary

Summary
Titleghostscript security and bug fix update
Informations
NameRHSA-2019:0229First vendor Publication2019-01-31
VendorRedHatLast vendor Modification2019-01-31
Severity (Vendor) N/ARevision01

Security-Database Scoring CVSS v2

Cvss vector : (AV:N/AC:M/Au:N/C:P/I:P/A:P)
Cvss Base Score6.8Attack RangeNetwork
Cvss Impact Score6.4Attack ComplexityMedium
Cvss Expoit Score8.6AuthenticationNone Required
Calculate full CVSS 2.0 Vectors scores

Detail

Problem Description:

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)

Original Source

Url : https://rhn.redhat.com/errata/RHSA-2019-0229.html

CWE : Common Weakness Enumeration

%idName
50 %CWE-704Incorrect Type Conversion or Cast
25 %CWE-416Use After Free
25 %CWE-20Improper Input Validation

CPE : Common Platform Enumeration

TypeDescriptionCount
Application23
Application1
Os4
Os2
Os3
Os2
Os1
Os1
Os2
Os1
Os2
Os1
Os1

Snort® IPS/IDS

DateDescription
2019-03-05Ghostscript PostScript remote code execution attempt
RuleID : 49086 - Revision : 1 - Type : FILE-OTHER
2019-03-05Ghostscript PostScript remote code execution attempt
RuleID : 49085 - Revision : 1 - Type : FILE-OTHER

Nessus® Vulnerability Scanner

DateDescription
2019-01-03Name : The remote Fedora host is missing a security update.
File : fedora_2018-56221eb24b.nasl - Type : ACT_GATHER_INFO
2019-01-03Name : The remote Fedora host is missing a security update.
File : fedora_2018-81ee973d7c.nasl - Type : ACT_GATHER_INFO
2018-12-28Name : The remote EulerOS host is missing multiple security updates.
File : EulerOS_SA-2018-1430.nasl - Type : ACT_GATHER_INFO
2018-11-29Name : The remote Debian host is missing a security update.
File : debian_DLA-1598.nasl - Type : ACT_GATHER_INFO
2018-11-29Name : The remote Debian host is missing a security-related update.
File : debian_DSA-4346.nasl - Type : ACT_GATHER_INFO
2018-11-28Name : The remote Windows host contains a library that is affected by multiple vulne...
File : ghostscript_9_26.nasl - Type : ACT_GATHER_INFO
2018-11-26Name : The remote Gentoo host is missing one or more security-related patches.
File : gentoo_GLSA-201811-12.nasl - Type : ACT_GATHER_INFO
2018-10-11Name : The remote Amazon Linux 2 host is missing a security update.
File : al2_ALAS-2018-1088.nasl - Type : ACT_GATHER_INFO
2018-09-14Name : The remote Debian host is missing a security update.
File : debian_DLA-1504.nasl - Type : ACT_GATHER_INFO
2018-09-12Name : The remote Windows host contains a library that is affected by multiple vulne...
File : ghostscript_9_24.nasl - Type : ACT_GATHER_INFO
2018-09-10Name : The remote Debian host is missing a security-related update.
File : debian_DSA-4288.nasl - Type : ACT_GATHER_INFO
2018-09-10Name : The remote Fedora host is missing a security update.
File : fedora_2018-28447b6f2e.nasl - Type : ACT_GATHER_INFO

Alert History

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0
1
DateInformations
2019-03-21 21:21:43
  • Multiple Updates
2019-02-04 13:18:49
  • First insertion