Vulnerabilities > CVE-2016-9015 - Improper Certificate Validation vulnerability in Python Urllib3 1.17/1.18

#
# (C) Tenable Network Security, Inc.
#
# The descriptive text and package checks in this plugin were
# extracted from openSUSE Security Update openSUSE-2019-159.
#
# The text description of this plugin is (C) SUSE LLC.
#

include("compat.inc");

if (description)
{
  script_id(122144);
  script_version("1.2");
  script_cvs_date("Date: 2020/02/12");

  script_cve_id("CVE-2016-9015");

  script_name(english:"openSUSE Security Update : python-urllib3 (openSUSE-2019-159)");
  script_summary(english:"Check for the openSUSE-2019-159 patch");

  script_set_attribute(
    attribute:"synopsis", 
    value:"The remote openSUSE host is missing a security update."
  );
  script_set_attribute(
    attribute:"description", 
    value:
"This update for python-urllib3 fixes the following issues :

python-urllib3 was updated to version 1.22 (fate#326733, bsc#1110422)
and contains new features and lots of bugfixes :

The full changelog can be found on :

https://github.com/Lukasa/urllib3/blob/1.22/CHANGES.rst

Security issues fixed :

  - CVE-2016-9015: TLS certificate validation vulnerability
    (bsc#1024540). (This issue did not affect our previous
    version 1.16.)

Non security issues fixed :

  - bsc#1074247: Fix test suite, use correct date
    (gh#shazow/urllib3#1303).

This update was imported from the SUSE:SLE-12-SP1:Update update
project."
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://bugzilla.opensuse.org/show_bug.cgi?id=1024540"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://bugzilla.opensuse.org/show_bug.cgi?id=1074247"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://bugzilla.opensuse.org/show_bug.cgi?id=1110422"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://features.opensuse.org/326733"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"https://github.com/Lukasa/urllib3/blob/1.22/CHANGES.rst"
  );
  script_set_attribute(
    attribute:"solution", 
    value:"Update the affected python-urllib3 packages."
  );
  script_set_cvss_base_vector("CVSS2#AV:N/AC:H/Au:N/C:P/I:N/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:H/PR:N/UI:N/S:U/C:L/I:N/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:novell:opensuse:python-urllib3");
  script_set_attribute(attribute:"cpe", value:"p-cpe:/a:novell:opensuse:python3-urllib3");
  script_set_attribute(attribute:"cpe", value:"cpe:/o:novell:opensuse:42.3");

  script_set_attribute(attribute:"vuln_publication_date", value:"2017/01/11");
  script_set_attribute(attribute:"patch_publication_date", value:"2019/02/12");
  script_set_attribute(attribute:"plugin_publication_date", value:"2019/02/13");
  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:"SuSE Local Security Checks");

  script_dependencies("ssh_get_info.nasl");
  script_require_keys("Host/local_checks_enabled", "Host/SuSE/release", "Host/SuSE/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/SuSE/release");
if (isnull(release) || release =~ "^(SLED|SLES)") audit(AUDIT_OS_NOT, "openSUSE");
if (release !~ "^(SUSE42\.3)$") audit(AUDIT_OS_RELEASE_NOT, "openSUSE", "42.3", release);
if (!get_kb_item("Host/SuSE/rpm-list")) audit(AUDIT_PACKAGE_LIST_MISSING);



flag = 0;

if ( rpm_check(release:"SUSE42.3", reference:"python-urllib3-1.22-4.4.1") ) flag++;
if ( rpm_check(release:"SUSE42.3", reference:"python3-urllib3-1.22-4.4.1") ) flag++;

if (flag)
{
  if (report_verbosity > 0) security_note(port:0, extra:rpm_report_get());
  else security_note(0);
  exit(0);
}
else
{
  tested = pkg_tests_get();
  if (tested) audit(AUDIT_PACKAGE_NOT_AFFECTED, tested);
  else audit(AUDIT_PACKAGE_NOT_INSTALLED, "python-urllib3 / python3-urllib3");
}