Fedora 25 : ghostscript (2017-c85c0e5637)

#%NASL_MIN_LEVEL 70300
#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were  
# extracted from Fedora Security Advisory FEDORA-2017-c85c0e5637.
#

include('deprecated_nasl_level.inc');
include('compat.inc');

if (description)
{
  script_id(100013);
  script_version("3.9");
  script_set_attribute(attribute:"plugin_modification_date", value:"2022/05/25");

  script_cve_id(
    "CVE-2016-10217",
    "CVE-2016-10218",
    "CVE-2016-10219",
    "CVE-2016-10220",
    "CVE-2017-5951",
    "CVE-2017-7885",
    "CVE-2017-7975",
    "CVE-2017-8291"
  );
  script_xref(name:"FEDORA", value:"2017-c85c0e5637");
  script_xref(name:"CISA-KNOWN-EXPLOITED", value:"2022/06/14");

  script_name(english:"Fedora 25 : ghostscript (2017-c85c0e5637)");

  script_set_attribute(attribute:"synopsis", value:
"The remote Fedora host is missing a security update.");
  script_set_attribute(attribute:"description", value:
"Security fixes release for these CVEs :

  -
    [CVE-2016-10217](https://access.redhat.com/security/cve/
    CVE-2016-10217) *(use-after-free and application crash)*

  -
    [CVE-2016-10218](https://access.redhat.com/security/cve/
    CVE-2016-10218) *(NULL pointer dereference and
    application crash)*

  -
    [CVE-2016-10219](https://access.redhat.com/security/cve/
    CVE-2016-10219) *(divide-by-zero error and application
    crash)*

  -
    [CVE-2016-10220](https://access.redhat.com/security/cve/
    CVE-2016-10220) *(NULL pointer dereference and
    application crash)*

  -
    [CVE-2017-5951](https://access.redhat.com/security/cve/C
    VE-2017-5951) *(NULL pointer dereference and application
    crash)*

  -
    [CVE-2017-7975](https://access.redhat.com/security/cve/C
    VE-2017-7975) *(application crash or possible execution
    of arbitrary code)*

  -
    [CVE-2017-8291](https://access.redhat.com/security/cve/C
    VE-2017-8291) *( -dSAFER bypass and remote command
    execution)*

Note that Tenable Network Security has extracted the preceding
description block directly from the Fedora update system website.
Tenable has attempted to automatically clean and format it as much as
possible without introducing additional issues.");
  script_set_attribute(attribute:"see_also", value:"https://access.redhat.com/security/cve/cve-2016-10217");
  script_set_attribute(attribute:"see_also", value:"https://access.redhat.com/security/cve/cve-2016-10218");
  script_set_attribute(attribute:"see_also", value:"https://access.redhat.com/security/cve/cve-2016-10219");
  script_set_attribute(attribute:"see_also", value:"https://access.redhat.com/security/cve/cve-2016-10220");
  script_set_attribute(attribute:"see_also", value:"https://access.redhat.com/security/cve/cve-2017-5951");
  script_set_attribute(attribute:"see_also", value:"https://access.redhat.com/security/cve/cve-2017-7975");
  script_set_attribute(attribute:"see_also", value:"https://access.redhat.com/security/cve/cve-2017-8291");
  script_set_attribute(attribute:"see_also", value:"https://bodhi.fedoraproject.org/updates/FEDORA-2017-c85c0e5637");
  script_set_attribute(attribute:"solution", value:
"Update the affected ghostscript package.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:M/Au:N/C:P/I:P/A:P");
  script_set_cvss_temporal_vector("CVSS2#E:H/RL:OF/RC:C");
  script_set_cvss3_base_vector("CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H");
  script_set_cvss3_temporal_vector("CVSS:3.0/E:H/RL:O/RC:C");

  script_set_attribute(attribute:"exploitability_ease", value:"Exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"true");
  script_set_attribute(attribute:"exploited_by_malware", value:"true");

  script_set_attribute(attribute:"vuln_publication_date", value:"2017/04/03");
  script_set_attribute(attribute:"patch_publication_date", value:"2017/05/06");
  script_set_attribute(attribute:"plugin_publication_date", value:"2017/05/08");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fedoraproject:fedora:ghostscript");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:fedoraproject:fedora:25");
  script_set_attribute(attribute:"generated_plugin", value:"current");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_family(english:"Fedora Local Security Checks");

  script_copyright(english:"This script is Copyright (C) 2017-2022 and is owned by Tenable, Inc. or an Affiliate thereof.");

  script_dependencies("ssh_get_info.nasl");
  script_require_keys("Host/local_checks_enabled", "Host/RedHat/release", "Host/RedHat/rpm-list");

  exit(0);
}


include("audit.inc");
include("global_settings.inc");
include("rpm.inc");


if (!get_kb_item("Host/local_checks_enabled")) audit(AUDIT_LOCAL_CHECKS_NOT_ENABLED);
release = get_kb_item("Host/RedHat/release");
if (isnull(release) || "Fedora" >!< release) audit(AUDIT_OS_NOT, "Fedora");
os_ver = pregmatch(pattern: "Fedora.*release ([0-9]+)", string:release);
if (isnull(os_ver)) audit(AUDIT_UNKNOWN_APP_VER, "Fedora");
os_ver = os_ver[1];
if (! preg(pattern:"^25([^0-9]|$)", string:os_ver)) audit(AUDIT_OS_NOT, "Fedora 25", "Fedora " + os_ver);

if (!get_kb_item("Host/RedHat/rpm-list")) audit(AUDIT_PACKAGE_LIST_MISSING);


cpu = get_kb_item("Host/cpu");
if (isnull(cpu)) audit(AUDIT_UNKNOWN_ARCH);
if ("x86_64" >!< cpu && cpu !~ "^i[3-6]86$") audit(AUDIT_LOCAL_CHECKS_NOT_IMPLEMENTED, "Fedora", cpu);


flag = 0;
if (rpm_check(release:"FC25", reference:"ghostscript-9.20-9.fc25")) flag++;


if (flag)
{
  security_report_v4(
    port       : 0,
    severity   : SECURITY_WARNING,
    extra      : rpm_report_get()
  );
  exit(0);
}
else
{
  tested = pkg_tests_get();
  if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested);
  else audit(AUDIT_PACKAGE_NOT_INSTALLED, "ghostscript");
}