Scientific Linux SL7.x: SLSA-2017:0013-1 Ghostscript Security Update

Date: Wed, 4 Jan 2017 14:40:43 -0000
Reply-To: scientific-linux-users@
Sender: Security Errata for Scientific Linux
 
From: Pat Riehecky 
Subject: Security ERRATA Moderate: ghostscript on SL7.x x86_64
MIME-Version: 1.0
Message-ID: <20170104144043.15139.45920@slpackages.fnal.gov>

Synopsis: Moderate: ghostscript security update
Advisory ID: SLSA-2017:0013-1
Issue Date: 2017-01-04
CVE Numbers: CVE-2013-5653
 CVE-2016-7977
 CVE-2016-7978
 CVE-2016-7979
 CVE-2016-8602
--

Security Fix(es):

* It was found that the ghostscript functions getenv, filenameforall and
.libfile did not honor the -dSAFER option, usually used when processing
untrusted documents, leading to information disclosure. A specially
crafted postscript document could read environment variable, list
directory and retrieve file content respectively, from the target.
(CVE-2013-5653, CVE-2016-7977)

* It was found that the ghostscript function.setdevice suffered a use-
after-free vulnerability due to an incorrect reference count. A specially
crafted postscript document could trigger code execution in the context of
the gs process. (CVE-2016-7978)

* It was found that the ghostscript function.initialize_dsc_parser did
not validate its parameter before using it, allowing a type confusion
flaw. A specially crafted postscript document could cause a crash code
execution in the context of the gs process. (CVE-2016-7979)

* It was found that ghostscript did not sufficiently check the validity of
parameters given to the.sethalftone5 function. A specially crafted
postscript document could cause a crash, or execute arbitrary code in the
context of the gs process. (CVE-2016-8602)
--

SL7
 x86_64
 ghostscript-9.07-20.el7_3.1.i686.rpm
 ghostscript-9.07-20.el7_3.1.x86_64.rpm
 ghostscript-cups-9.07-20.el7_3.1.x86_64.rpm
 ghostscript-debuginfo-9.07-20.el7_3.1.i686.rpm
 ghostscript-debuginfo-9.07-20.el7_3.1.x86_64.rpm
 ghostscript-devel-9.07-20.el7_3.1.i686.rpm
 ghostscript-devel-9.07-20.el7_3.1.x86_64.rpm
 ghostscript-gtk-9.07-20.el7_3.1.x86_64.rpm
 noarch
 ghostscript-doc-9.07-20.el7_3.1.noarch.rpm

- Scientific Linux Development Team