OpenSSL Death Alert Denial of Service Vulnerability - Windows

# SPDX-FileCopyrightText: 2016 Greenbone AG
# Some text descriptions might be excerpted from (a) referenced
# source(s), and are Copyright (C) by the respective right holder(s).
#
# SPDX-License-Identifier: GPL-2.0-only

CPE = "cpe:/a:openssl:openssl";

if(description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.809768");
  script_version("2024-02-15T05:05:40+0000");
  script_cve_id("CVE-2016-8610");
  script_tag(name:"cvss_base", value:"5.0");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:N/C:N/I:N/A:P");
  script_tag(name:"last_modification", value:"2024-02-15 05:05:40 +0000 (Thu, 15 Feb 2024)");
  script_tag(name:"severity_vector", value:"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H");
  script_tag(name:"severity_origin", value:"NVD");
  script_tag(name:"severity_date", value:"2024-01-26 17:44:00 +0000 (Fri, 26 Jan 2024)");
  script_tag(name:"creation_date", value:"2016-12-20 19:08:41 +0530 (Tue, 20 Dec 2016)");
  script_tag(name:"qod_type", value:"remote_banner");
  script_name("OpenSSL Death Alert Denial of Service Vulnerability - Windows");

  script_tag(name:"summary", value:"OpenSSL is prone to a Denial of Service (DoS) vulnerability.");

  script_tag(name:"vuldetect", value:"Checks if a vulnerable version is present on the target host.");

  script_tag(name:"insight", value:"The flaw is due to an error in function
  'ssl3_read_bytes' in ssl/s3_pkt.c script which might lead to higher CPU usage
  due to improper handling of warning packets.");

  script_tag(name:"impact", value:"Successful exploitation will allow a remote
  attacker to conduct a denial of service condition.");

  script_tag(name:"affected", value:"OpenSSL versions 1.1.0, 1.0.2 through 1.0.2h,
  all 1.0.1 and all 0.9.8.");

  script_tag(name:"solution", value:"Upgrade to OpenSSL version 1.0.2j or 1.1.0b
  or later.");

  script_tag(name:"solution_type", value:"VendorFix");

  script_xref(name:"URL", value:"http://seclists.org/oss-sec/2016/q4/224");
  script_xref(name:"URL", value:"http://www.securityfocus.com/bid/93841");
  script_xref(name:"URL", value:"https://git.openssl.org/gitweb/?p=openssl.git;a=commit;h=af58be768ebb690f78530f796e92b8ae5c9a4401");
  script_xref(name:"URL", value:"https://securingtomorrow.mcafee.com/mcafee-labs/ssl-death-alert-cve-2016-8610-can-cause-denial-of-service-to-openssl-servers");

  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2016 Greenbone AG");
  script_family("Denial of Service");
  script_dependencies("gb_openssl_consolidation.nasl", "os_detection.nasl");
  script_mandatory_keys("openssl/detected", "Host/runs_windows");

  exit(0);
}

include("host_details.inc");
include("version_func.inc");

if(isnull(port = get_app_port(cpe:CPE)))
  exit(0);

if(!infos = get_app_version_and_location(cpe:CPE, port:port, exit_no_version:TRUE))
  exit(0);

vers = infos["version"];
path = infos["location"];

if(vers =~ "^0\.9\.8" || vers =~ "^1\.0\.1") {
    VULN = TRUE;
    fix = "1.1.0b or 1.0.2j";
}
else if(vers =~ "^1\.0\.2") {
  if(version_is_less(version:vers, test_version:"1.0.2j")) {
    fix = "1.0.2j";
    VULN = TRUE;
  }
}
else if(vers =~ "^1\.1\.0") {
  if(version_is_less(version:vers, test_version:"1.1.0b")) {
    fix = "1.1.0b";
    VULN = TRUE;
  }
}

if(VULN) {
  report = report_fixed_ver(installed_version:vers, fixed_version:fix, install_path:path);
  security_message(port:port, data:report);
  exit(0);
}

exit(99);