Cisco TelePresence Video Communication Server Expressway File Modification Vulnerability (cisco-sa-20151007-vcs)

# SPDX-FileCopyrightText: 2015 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_video_communication_server_software";

if (description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.105403");
  script_version("2024-02-21T14:36:44+0000");
  script_tag(name:"last_modification", value:"2024-02-21 14:36:44 +0000 (Wed, 21 Feb 2024)");
  script_tag(name:"creation_date", value:"2015-10-14 15:11:26 +0200 (Wed, 14 Oct 2015)");
  script_tag(name:"cvss_base", value:"6.9");
  script_tag(name:"cvss_base_vector", value:"AV:L/AC:M/Au:N/C:C/I:C/A:C");

  script_cve_id("CVE-2015-6318");

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

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

  script_name("Cisco TelePresence Video Communication Server Expressway File Modification Vulnerability (cisco-sa-20151007-vcs)");

  script_category(ACT_GATHER_INFO);

  script_copyright("Copyright (C) 2015 Greenbone AG");
  script_family("CISCO");
  script_dependencies("gb_cisco_vcs_consolidation.nasl");
  script_mandatory_keys("cisco/vcs/detected");

  script_tag(name:"summary", value:"A vulnerability in the symbolic link operation of the Cisco
  TelePresence Video Communication Server (VCS) Expressway could allow an authenticated, local
  attacker to perform a symbolic link attack on the affected system.");

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

  script_tag(name:"insight", value:"The vulnerability is due to insufficient protection of files.
  An attacker could exploit this vulnerability by creating a malicious symbolic link to a location
  not otherwise accessible to the attacker.");

  script_tag(name:"impact", value:"An exploit could allow the attacker to insert unauthorized
  content in the linked-to file.");

  script_tag(name:"affected", value:"Cisco TelePresence Video Communication Server version X8.5.2.");

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

  script_xref(name:"URL", value:"http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20151007-vcs");

  exit(0);
}

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

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

if( version =~ "^8\.5\.2($|[^0-9])" ) {
  report = report_fixed_ver( installed_version:version, fixed_version:"See advisory" );
  security_message( port:0, data:report );
  exit( 0 );
}

exit( 99 );