Fedora 25 : ghostscript (2017-c85c0e5637)

2017-05-08T00:00:00
ID FEDORA_2017-C85C0E5637.NASL
Type nessus
Reporter Tenable
Modified 2018-11-20T00:00:00

Description

Security fixes release for these CVEs :

- CVE-2016-10217 (use-after-free and application crash)

- CVE-2016-10218 (NULL pointer dereference and application crash)

- CVE-2016-10219 (divide-by-zero error and application crash)

- CVE-2016-10220 (NULL pointer dereference and application crash)

- CVE-2017-5951 (NULL pointer dereference and application crash)

- CVE-2017-7975 (application crash or possible execution of arbitrary code)

- CVE-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.

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

include("compat.inc");

if (description)
{
  script_id(100013);
  script_version("3.4");
  script_cvs_date("Date: 2018/11/20 11:04:17");

  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_name(english:"Fedora 25 : ghostscript (2017-c85c0e5637)");
  script_summary(english:"Checks rpm output for the updated package.");

  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."
  );
  # https://access.redhat.com/security/cve/CVE-2016-10217
  script_set_attribute(
    attribute:"see_also",
    value:"https://access.redhat.com/security/cve/cve-2016-10217"
  );
  # https://access.redhat.com/security/cve/CVE-2016-10218
  script_set_attribute(
    attribute:"see_also",
    value:"https://access.redhat.com/security/cve/cve-2016-10218"
  );
  # https://access.redhat.com/security/cve/CVE-2016-10219
  script_set_attribute(
    attribute:"see_also",
    value:"https://access.redhat.com/security/cve/cve-2016-10219"
  );
  # https://access.redhat.com/security/cve/CVE-2016-10220
  script_set_attribute(
    attribute:"see_also",
    value:"https://access.redhat.com/security/cve/cve-2016-10220"
  );
  # https://access.redhat.com/security/cve/CVE-2017-5951
  script_set_attribute(
    attribute:"see_also",
    value:"https://access.redhat.com/security/cve/cve-2017-5951"
  );
  # https://access.redhat.com/security/cve/CVE-2017-7975
  script_set_attribute(
    attribute:"see_also",
    value:"https://access.redhat.com/security/cve/cve-2017-7975"
  );
  # https://access.redhat.com/security/cve/CVE-2017-8291
  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_cvss3_base_vector("CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H");
  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:"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:"patch_publication_date", value:"2017/05/06");
  script_set_attribute(attribute:"plugin_publication_date", value:"2017/05/08");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_copyright(english:"This script is Copyright (C) 2017-2018 and is owned by Tenable, Inc. or an Affiliate thereof.");
  script_family(english:"Fedora Local Security Checks");

  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 = eregmatch(pattern: "Fedora.*release ([0-9]+)", string:release);
if (isnull(os_ver)) audit(AUDIT_UNKNOWN_APP_VER, "Fedora");
os_ver = os_ver[1];
if (! ereg(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");
}