Sympa < 6.2.60 SOAP API Vulnerability

# Copyright (C) 2020 Greenbone Networks GmbH
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# source(s), and are Copyright (C) by the respective right holder(s).
#
# SPDX-License-Identifier: GPL-2.0-or-later
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# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
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# GNU General Public License for more details.
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# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
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CPE = "cpe:/a:sympa:sympa";

if(description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.145041");
  script_version("2021-07-08T11:00:45+0000");
  script_tag(name:"last_modification", value:"2021-07-08 11:00:45 +0000 (Thu, 08 Jul 2021)");
  script_tag(name:"creation_date", value:"2020-12-15 05:23:58 +0000 (Tue, 15 Dec 2020)");
  script_tag(name:"cvss_base", value:"4.3");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:M/Au:N/C:P/I:N/A:N");
  script_tag(name:"severity_vector", value:"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N");
  script_tag(name:"severity_origin", value:"NVD");
  script_tag(name:"severity_date", value:"2021-01-13 04:15:00 +0000 (Wed, 13 Jan 2021)");

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

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

  script_cve_id("CVE-2020-29668");

  script_name("Sympa < 6.2.60 SOAP API Vulnerability");

  script_category(ACT_GATHER_INFO);

  script_copyright("Copyright (C) 2020 Greenbone Networks GmbH");
  script_family("Privilege escalation");
  script_dependencies("sympa_detect.nasl");
  script_mandatory_keys("sympa/detected");

  script_tag(name:"summary", value:"Sympa is prone to an authentication bypass vulnerability in the
  SOAP API.");

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

  script_tag(name:"insight", value:"Sympa allows remote attackers to obtain full SOAP API access by
  sending any arbitrary string (except one from an expired cookie) as the cookie value to
  authenticateAndRun.");

  script_tag(name:"impact", value:"Successful exploitation may allow an unauthenticated attacker to
  execute arbitrary SOAP API calls.");

  script_tag(name:"affected", value:"Sympa version 6.2.58 and prior.");

  script_tag(name:"solution", value:"Update to version 6.2.60 or later.");

  script_xref(name:"URL", value:"https://github.com/sympa-community/sympa/issues/1041");
  script_xref(name:"URL", value:"https://sympa-community.github.io/security/2020-003.html");

  exit(0);
}

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

if (!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);

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

if (version_is_less(version: version, test_version: "6.2.60")) {
  report = report_fixed_ver(installed_version: version, fixed_version: "6.2.60", install_path: location);
  security_message(port: port, data: report);
  exit(0);
}

exit(99);