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CVSS: 7.8EPSS: 5%CPEs: 1EXPL: 0

The .sethalftone5 function in psi/zht2.c in Ghostscript before 9.21 allows remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code via a crafted Postscript document that calls .sethalftone5 with an empty operand stack. La función .sethalftone5 en psi/zht2.c en Ghostscript en versiones anteriores a 9.21 permite a los atacantes remotos provocar una denegación de servicio (caída de la aplicación) o posiblemente ejecutar código arbitrario a través de un documento Postscript que llama a .sethalftone5 con una pila de operandos vacía. 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. • http://git.ghostscript.com/?p=ghostpdl.git%3Ba=commitdiff%3Bh=f5c7555c303 http://rhn.redhat.com/errata/RHSA-2017-0013.html http://rhn.redhat.com/errata/RHSA-2017-0014.html http://www.debian.org/security/2016/dsa-3691 http://www.openwall.com/lists/oss-security/2016/10/11/5 http://www.openwall.com/lists/oss-security/2016/10/11/7 http://www.securityfocus.com/bid/95311 https://bugs.ghostscript.com/show_bug.cgi?id=697203 https://bugzilla.redhat.com/show_bug.cgi&# • CWE-20: Improper Input Validation CWE-704: Incorrect Type Conversion or Cast •

CVSS: 9.8EPSS: 10%CPEs: 1EXPL: 0

Ghostscript before 9.21 might allow remote attackers to bypass the SAFER mode protection mechanism and consequently execute arbitrary code by leveraging type confusion in .initialize_dsc_parser. Ghostscript versiones anteriores a 9.21 podría permitir que los atacantes remotos pasaran por alto el mecanismo de protección del modo SAFER y, en consecuencia, ejecutar código arbitrario mediante el aprovechamiento de la confusión de tipos en .initialize_dsc_parser. 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. • http://git.ghostscript.com/?p=ghostpdl.git%3Bh=875a0095f37626a721c7ff57d606a0f95af03913 http://rhn.redhat.com/errata/RHSA-2017-0013.html http://rhn.redhat.com/errata/RHSA-2017-0014.html http://www.debian.org/security/2016/dsa-3691 http://www.openwall.com/lists/oss-security/2016/10/05/15 http://www.securityfocus.com/bid/95337 https://bugs.ghostscript.com/show_bug.cgi?id=697190 https://security.gentoo.org/glsa/201702-31 https://access.redhat.com/security/cve/CVE-2016-7979 h • CWE-20: Improper Input Validation CWE-704: Incorrect Type Conversion or Cast •

CVSS: 6.2EPSS: 0%CPEs: 1EXPL: 0

Ghostscript before 9.21 might allow remote attackers to bypass the SAFER mode protection mechanism and consequently read arbitrary files via the use of the .libfile operator in a crafted postscript document. Ghostscript anterior a la versión 9.21 podría permitir que los atacantes remotos eludieran el mecanismo de protección del modo SAFER y, en consecuencia, leyeran archivos arbitrarios mediante el uso del operador .libfile en un documento Postscript manipulado. It was found that ghostscript function .libfile did not honor the -dSAFER option, usually used when processing untrusted documents, leading to information disclosure. A specially crafted postscript document could, in the context of the gs process, retrieve file content on the target machine. • http://git.ghostscript.com/?p=ghostpdl.git%3Ba=commitdiff%3Bh=8abd22010eb4db0fb1b10e430d5f5d83e015ef70 http://rhn.redhat.com/errata/RHSA-2017-0013.html http://rhn.redhat.com/errata/RHSA-2017-0014.html http://www.debian.org/security/2016/dsa-3691 http://www.openwall.com/lists/oss-security/2016/09/29/28 http://www.openwall.com/lists/oss-security/2016/10/05/15 http://www.oracle.com/technetwork/security-advisory/cpujan2018-3236628.html http://www.securityfocus.com/bid/95334 https:/ • CWE-200: Exposure of Sensitive Information to an Unauthorized Actor •

CVSS: 6.8EPSS: 4%CPEs: 3EXPL: 0

Multiple integer underflows in the icmLut_allocate function in International Color Consortium (ICC) Format library (icclib), as used in Ghostscript 9.06 and Argyll Color Management System, allow remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a crafted (1) PostScript or (2) PDF file with embedded images, which triggers a heap-based buffer overflow. NOTE: this issue is also described as an array index error. Múltiples desbordamientos inferiores de enteros en la función icmLut_allocate en la librería del formato International Color Consortium (ICC),icclib, tal y como se utiliza en Ghostscript v9.06 y Argyll Color Management System, permite a atacantes remotos provocar una denegación de servicio (caída de la aplicación) y posiblemente ejecutar código de su elección a través de un (1) PostScript o (2) Archivo PDF hecho a mano con imágenes incrustadas, lo que provoca un desbordamiento de búfer basado en memoria dinámica (heap). NOTA: este problema se describe también como un error de índice de matriz. • http://lists.opensuse.org/opensuse-security-announce/2012-09/msg00031.html http://lists.opensuse.org/opensuse-security-announce/2012-10/msg00001.html http://lists.opensuse.org/opensuse-updates/2012-10/msg00015.html http://rhn.redhat.com/errata/RHSA-2012-1256.html http://secunia.com/advisories/50719 http://security.gentoo.org/glsa/glsa-201412-17.xml http://www.mandriva.com/security/advisories?name=MDVSA-2012:151 http://www.mandriva.com/security/advisories?name=MDVSA-2013:089 http://w • CWE-189: Numeric Errors CWE-787: Out-of-bounds Write •

CVSS: 4.4EPSS: 0%CPEs: 1EXPL: 0

Untrusted search path vulnerability in Ghostscript 8.62 allows local users to execute arbitrary PostScript code via a Trojan horse Postscript library file in Encoding/ under the current working directory, a different vulnerability than CVE-2010-2055. Vulnerabilidad no especificada en Ghostscript 8.62 permite a atacantes remotos ejecutar código PostScript arbitrario a través de un fichero troyano de la librería Postscript en Encoding/ bajo el directorio de trabajo actual, una vulnerabilidad diferente a CVE-2010-2055. • http://bugs.ghostscript.com/show_bug.cgi?id=691339 http://rhn.redhat.com/errata/RHSA-2012-0095.html http://rhn.redhat.com/errata/RHSA-2012-0096.html http://www.openwall.com/lists/oss-security/2012/01/04/7 http://www.securityfocus.com/archive/1/511433 http://www.securityfocus.com/bid/51847 https://bugzilla.redhat.com/show_bug.cgi?id=599564 https://bugzilla.redhat.com/show_bug.cgi?id=771853 https://access.redhat.com/security/cve/CVE-2010-4820 • CWE-94: Improper Control of Generation of Code ('Code Injection') •