Oracle MySQL Connectors (Jul 2020 CPU)

#%NASL_MIN_LEVEL 70300
#
# (C) Tenable Network Security, Inc.
#

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

if (description)
{
  script_id(138607);
  script_version("1.7");
  script_set_attribute(attribute:"plugin_modification_date", value:"2023/11/01");

  script_cve_id("CVE-2020-1967");
  script_xref(name:"CEA-ID", value:"CEA-2021-0004");
  script_xref(name:"CEA-ID", value:"CEA-2021-0025");
  script_xref(name:"IAVA", value:"2020-A-0321-S");

  script_name(english:"Oracle MySQL Connectors (Jul 2020 CPU)");

  script_set_attribute(attribute:"synopsis", value:
"The remote host is affected by multiple vulnerabilities");
  script_set_attribute(attribute:"description", value:
"The 8.0.20 and prior versions of MySQL Connectors installed on the remote host are affected by a vulnerability
as referenced in the July 2020 CPU advisory. A vulnerability in the MySQL Connectors product of Oracle MySQL
(component: Connector/C++ (OpenSSL)). Supported versions that are affected are 8.0.20 and prior. Easily exploitable
vulnerability allows unauthenticated attacker with network access via TLS to compromise MySQL Connectors. Successful
attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash
(complete DOS) of MySQL Connectors. (CVE-2020-1967)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version
number.");
  script_set_attribute(attribute:"see_also", value:"https://www.oracle.com/a/tech/docs/cpujul2020cvrf.xml");
  script_set_attribute(attribute:"see_also", value:"https://www.oracle.com/security-alerts/cpujul2020.html");
  script_set_attribute(attribute:"solution", value:
"Apply the appropriate patch according to the July 2020 Oracle Critical Patch Update advisory.");
  script_set_attribute(attribute:"agent", value:"all");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P");
  script_set_cvss_temporal_vector("CVSS2#E:POC/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:N/A:H");
  script_set_cvss3_temporal_vector("CVSS:3.0/E:P/RL:O/RC:C");
  script_set_attribute(attribute:"cvss_score_source", value:"CVE-2020-1967");

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

  script_set_attribute(attribute:"vuln_publication_date", value:"2020/07/14");
  script_set_attribute(attribute:"patch_publication_date", value:"2020/07/14");
  script_set_attribute(attribute:"plugin_publication_date", value:"2020/07/20");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_set_attribute(attribute:"cpe", value:"cpe:/a:oracle:mysql_connectors");
  script_set_attribute(attribute:"stig_severity", value:"I");
  script_set_attribute(attribute:"thorough_tests", value:"true");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_family(english:"Misc.");

  script_copyright(english:"This script is Copyright (C) 2020-2023 and is owned by Tenable, Inc. or an Affiliate thereof.");

  script_dependencies("mysql_connectors_version_nix.nbin", "mysql_connectors_version_win.nbin");
  script_require_keys("installed_sw/MySQL Connector");

  exit(0);
}

include('vcf.inc');

app_info = vcf::get_app_info(app:'MySQL Connector');
product = tolower(app_info['Product']);

vcf::check_granularity(app_info:app_info, sig_segments:3);

if ('odbc' >< product ||
    'c++' >< product ||
    'cpp' >< product)
  constraints = [
    {'min_version': '8.0.0', 'fixed_version': '8.0.21'}
  ];
else
  audit(AUDIT_PACKAGE_NOT_AFFECTED, product);

vcf::check_version_and_report(app_info: app_info, constraints: constraints, severity: SECURITY_WARNING);