Pulse Connect Secure CSRF Vulnerability (SA40793)

# SPDX-FileCopyrightText: 2017 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:juniper:pulse_connect_secure";

if(description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.811738");
  script_version("2024-01-23T05:05:19+0000");
  script_tag(name:"cvss_base", value:"6.8");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:M/Au:N/C:P/I:P/A:P");
  script_tag(name:"last_modification", value:"2024-01-23 05:05:19 +0000 (Tue, 23 Jan 2024)");
  script_tag(name:"severity_vector", value:"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H");
  script_tag(name:"severity_origin", value:"NVD");
  script_tag(name:"severity_date", value:"2020-04-29 17:32:00 +0000 (Wed, 29 Apr 2020)");
  script_tag(name:"creation_date", value:"2017-09-12 10:21:00 +0530 (Tue, 12 Sep 2017)");

  script_cve_id("CVE-2017-11455");

  script_tag(name:"qod_type", value:"remote_banner");

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

  script_name("Pulse Connect Secure CSRF Vulnerability (SA40793)");

  script_tag(name:"summary", value:"Pulse Connect Secure is prone to a cross-site request forgery
  (CSRF) vulnerability.");

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

  script_tag(name:"insight", value:"The flaw exists due to improper input validation in 'diag.cgi'
  script.");

  script_tag(name:"impact", value:"Successful exploitation will allow remote attackers to hijack the
  authentication of administrators for requests to start tcpdump, related to the lack of anti-CSRF
  tokens. A remote user can create a specially crafted HTML page or URL that, when loaded by the
  target authenticated user, will trigger a flaw in 'diag.cgi' and take actions on the target
  interface acting as the target user.");

  script_tag(name:"affected", value:"Pulse Connect Secure 8.3x prior to 8.3R1, 8.2x prior to 8.2R6,
  8.1x prior to 8.1R12 and 8.0x prior to 8.0R17.");

  script_tag(name:"solution", value:"Update to version 8.3R1, 8.2R6, 8.1R12, 8.0R17 or later.");

  script_xref(name:"URL", value:"https://forums.ivanti.com/s/article/SA40793");
  script_xref(name:"URL", value:"http://www.securitytracker.com/id/1039242");
  script_xref(name:"URL", value:"http://www.securityfocus.com/bid/100530");

  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2017 Greenbone AG");
  script_family("Web application abuses");
  script_dependencies("gb_pulse_connect_secure_consolidation.nasl");
  script_mandatory_keys("pulsesecure/detected");

  exit(0);
}

include("host_details.inc");
include("version_func.inc");
include("revisions-lib.inc");

if (!version = get_app_version(cpe:CPE, nofork: TRUE))
  exit(0);

if (version =~ "^8\.3" && version_is_less(version: version, test_version: "8.3r1"))
  fix = "8.3R1";

if (version =~ "^8\.2" && version_is_less(version: version, test_version: "8.2r6"))
  fix = "8.2R6";

if (version =~ "^8\.1" && version_is_less(version: version, test_version: "8.1r12"))
  fix = "8.1R12";

if (version =~ "^8\.0" && version_is_less(version: version, test_version: "8.0r17"))
  fix = "8.0R17";

if (fix) {
  report = report_fixed_ver(installed_version: toupper(version), fixed_version: fix);
  security_message(data: report, port: 0);
  exit(0);
}

exit(99);