Vulnerabilities > CVE-2019-16237 - Origin Validation Error vulnerability in multiple products

#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were  
# extracted from Fedora Security Advisory FEDORA-2019-0eb6d51f81.
#

include("compat.inc");

if (description)
{
  script_id(129077);
  script_version("1.4");
  script_cvs_date("Date: 2019/12/27");

  script_cve_id("CVE-2019-16235", "CVE-2019-16236", "CVE-2019-16237");
  script_xref(name:"FEDORA", value:"2019-0eb6d51f81");

  script_name(english:"Fedora 29 : dino (2019-0eb6d51f81)");
  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:
"Update dino to
[a96c8014](https://github.com/dino/dino/compare/016ab2c1...a96c8014),
which addresses three CVEs.

CVE-2019-16235 ==============

Dino did not properly check the source of message carbons.

https://nvd.nist.gov/vuln/detail/CVE-2019-16235

Fixed in
https://github.com/dino/dino/commit/e84f2c49567e86d2a261ea264d65c4adc5
49c930

CVE-2019-16236 ==========

Dino did not check roster push authorization.

https://nvd.nist.gov/vuln/detail/CVE-2019-16236

Fixed in
https://github.com/dino/dino/commit/dd33f5f949248d87d34f399e8846d5ee5b
8823d9

CVE-2019-16237 ==========

Dinot did not properly check the source of MAM messages.

https://nvd.nist.gov/vuln/detail/CVE-2019-16237

Fixed in
https://github.com/dino/dino/commit/307f16cc86dd2b95aa02ab8a85110e4a2d
5e7363

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://bodhi.fedoraproject.org/updates/FEDORA-2019-0eb6d51f81"
  );
  # https://github.com/dino/dino/commit/307f16cc86dd2b95aa02ab8a85110e4a2d5e7363
  script_set_attribute(
    attribute:"see_also",
    value:"http://www.nessus.org/u?ca66609b"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://github.com/dino/dino/compare/016ab2c1...a96c8014"
  );
  script_set_attribute(attribute:"solution", value:"Update the affected dino package.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:N/I:P/A:N");
  script_set_cvss_temporal_vector("CVSS2#E:U/RL:OF/RC:C");
  script_set_cvss3_base_vector("CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N");
  script_set_cvss3_temporal_vector("CVSS:3.0/E:U/RL:O/RC:C");
  script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:fedoraproject:fedora:dino");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:fedoraproject:fedora:29");

  script_set_attribute(attribute:"vuln_publication_date", value:"2019/09/11");
  script_set_attribute(attribute:"patch_publication_date", value:"2019/09/20");
  script_set_attribute(attribute:"plugin_publication_date", value:"2019/09/20");
  script_set_attribute(attribute:"generated_plugin", value:"current");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_copyright(english:"This script is Copyright (C) 2019 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 = 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:"^29([^0-9]|$)", string:os_ver)) audit(AUDIT_OS_NOT, "Fedora 29", "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:"FC29", reference:"dino-0.0-0.12.20190912.git.a96c801.fc29")) 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, "dino");
}