Vulnerabilities > CVE-2019-6251

#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were  
# extracted from Fedora Security Advisory FEDORA-2019-b3ad0a302b.
#

include("compat.inc");

if (description)
{
  script_id(124067);
  script_version("1.3");
  script_cvs_date("Date: 2020/01/23");

  script_cve_id("CVE-2019-6251");
  script_xref(name:"FEDORA", value:"2019-b3ad0a302b");

  script_name(english:"Fedora 29 : webkit2gtk3 (2019-b3ad0a302b)");
  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:
"Rebase to latest stable branch 2.24.

For details see 2.23 and 2.24 release notes :

- https://www.webkitgtk.org/2018/11/22/webkitgtk2.23.1-released.html

- https://www.webkitgtk.org/2019/01/08/webkitgtk2.23.2-released.html

- https://www.webkitgtk.org/2019/01/14/webkitgtk2.23.3-released.html

- https://www.webkitgtk.org/2019/02/14/webkitgtk2.23.90-released.html

- https://www.webkitgtk.org/2019/02/20/webkitgtk2.23.91-released.html

- https://www.webkitgtk.org/2019/03/06/webkitgtk2.23.92-released.html

- https://www.webkitgtk.org/2019/03/13/webkitgtk2.24.0-released.html

- https://www.webkitgtk.org/2019/04/09/webkitgtk2.24.1-released.html

Security fix for CVE-2019-6251

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-b3ad0a302b"
  );
  script_set_attribute(
    attribute:"solution", 
    value:"Update the affected webkit2gtk3 package."
  );
  script_set_cvss_base_vector("CVSS2#AV:N/AC:M/Au:N/C:P/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:R/S:U/C:H/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:webkit2gtk3");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:fedoraproject:fedora:29");

  script_set_attribute(attribute:"vuln_publication_date", value:"2019/01/14");
  script_set_attribute(attribute:"patch_publication_date", value:"2019/04/15");
  script_set_attribute(attribute:"plugin_publication_date", value:"2019/04/16");
  script_set_attribute(attribute:"generated_plugin", value:"current");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_copyright(english:"This script is Copyright (C) 2019-2020 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:"webkit2gtk3-2.24.1-1.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, "webkit2gtk3");
}