Important: ghostscript security update

Synopsis

Important: ghostscript security update

Type/Severity

Security Advisory: Important

Topic

An update for ghostscript is now available for Red Hat Enterprise Linux 8.

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.

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: Safer mode bypass by .forceput exposure in .pdf_hook_DSC_Creator (701445) (CVE-2019-14811)
  • ghostscript: Safer mode bypass by .forceput exposure in setuserparams (701444) (CVE-2019-14812)
  • ghostscript: Safer mode bypass by .forceput exposure in setsystemparams (701443) (CVE-2019-14813)
  • ghostscript: Safer mode bypass by .forceput exposure in .pdfexectoken and other procedures (701450) (CVE-2019-14817)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

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

Affected Products

  • Red Hat Enterprise Linux for x86_64 8 x86_64
  • Red Hat Enterprise Linux for IBM z Systems 8 s390x
  • Red Hat Enterprise Linux for Power, little endian 8 ppc64le
  • Red Hat Enterprise Linux for ARM 64 8 aarch64
  • Red Hat CodeReady Linux Builder for x86_64 8 x86_64
  • Red Hat CodeReady Linux Builder for Power, little endian 8 ppc64le
  • Red Hat CodeReady Linux Builder for ARM 64 8 aarch64
  • Red Hat CodeReady Linux Builder for IBM z Systems 8 s390x

Fixes

  • BZ - 1743737 - CVE-2019-14813 ghostscript: Safer mode bypass by .forceput exposure in setsystemparams (701443)
  • BZ - 1743754 - CVE-2019-14812 ghostscript: Safer mode bypass by .forceput exposure in setuserparams (701444)
  • BZ - 1743757 - CVE-2019-14811 ghostscript: Safer mode bypass by .forceput exposure in .pdf_hook_DSC_Creator (701445)
  • BZ - 1744042 - CVE-2019-14817 ghostscript: Safer mode bypass by .forceput exposure in .pdfexectoken and other procedures (701450)

CVEs

References