Cisco TelePresence Server API Privilege Vulnerability (cisco-sa-20170315-tps)

# 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:cisco:telepresence_server_software";

if (description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.106664");
  script_cve_id("CVE-2017-3815");
  script_tag(name:"cvss_base", value:"5.0");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:L/Au:N/C:P/I:N/A:N");
  script_version("2023-07-25T05:05:58+0000");

  script_name("Cisco TelePresence Server API Privilege Vulnerability (cisco-sa-20170315-tps)");

  script_xref(name:"URL", value:"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170315-tps");

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

  script_tag(name:"solution", value:"See the referenced vendor advisory for a solution.");

  script_tag(name:"summary", value:"A vulnerability in Cisco TelePresence Server Software could allow an
unauthenticated, remote attacker to emulate Cisco TelePresence Server endpoints.");

  script_tag(name:"insight", value:"The vulnerability is due to how session identification information is
maintained by a specific API of the affected software. An attacker could exploit this vulnerability by snooping
temporary, unencrypted keys on an affected system.");

  script_tag(name:"impact", value:"A successful exploit could allow the attacker to emulate a Cisco TelePresence
Server endpoint.");

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

  script_tag(name:"last_modification", value:"2023-07-25 05:05:58 +0000 (Tue, 25 Jul 2023)");
  script_tag(name:"severity_vector", value:"CVSS:3.0/AV:N/AC:L/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:"2019-10-03 00:03:00 +0000 (Thu, 03 Oct 2019)");
  script_tag(name:"creation_date", value:"2017-03-16 14:46:37 +0700 (Thu, 16 Mar 2017)");
  script_category(ACT_GATHER_INFO);
  script_family("CISCO");
  script_copyright("Copyright (C) 2017 Greenbone AG");
  script_dependencies("gb_cisco_telepresence_server_detect.nasl");
  script_mandatory_keys("cisco_telepresence_server/installed");

  exit(0);
}

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

model = get_kb_item("cisco_telepresence_server/model");

# nb: Those modes are unaffected according to the vendor advisory
if (!model || model =~ "^7010$" || model =~ "Media (3|8)(1|2)0" || model =~ "VM")
  exit(99);

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

affected = make_list(
  "4.2(4.19)",
  "4.2(4.17)",
  "4.2(4.18)");

foreach af (affected) {
  if (version == af) {
    report = report_fixed_ver(installed_version: version, fixed_version: "See advisory");
    security_message(port: 0, data: report);
    exit(0);
  }
}

exit(0);