Microsoft VS Team Foundation Server SignalR XSS Vulnerability (2905244)

# SPDX-FileCopyrightText: 2013 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:microsoft:visual_studio_team_foundation_server";

if(description)
{
  script_oid("1.3.6.1.4.1.25623.1.0.901227");
  script_version("2026-04-28T06:28:06+0000");
  script_cve_id("CVE-2013-5042");
  script_tag(name:"cvss_base", value:"4.3");
  script_tag(name:"cvss_base_vector", value:"AV:N/AC:M/Au:N/C:N/I:P/A:N");
  script_tag(name:"last_modification", value:"2026-04-28 06:28:06 +0000 (Tue, 28 Apr 2026)");
  script_tag(name:"creation_date", value:"2013-12-11 10:49:08 +0530 (Wed, 11 Dec 2013)");
  script_name("Microsoft VS Team Foundation Server SignalR XSS Vulnerability (2905244)");

  script_tag(name:"summary", value:"This host is missing an important security update according to Microsoft
  Bulletin MS13-103.");

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

  script_tag(name:"solution", value:"The vendor has released updates. Please see the references for more information.");

  script_tag(name:"insight", value:"Flaw is due ASP.NET SignalR improperly encodes user input before returning
  it to the user.");

  script_tag(name:"affected", value:"Microsoft Visual Studio Team Foundati on Microsoft Windows Server 2013.");

  script_tag(name:"impact", value:"Successful exploitation will allow attackers to execute arbitrary script
  code in a user's browser within the trust relationship between their
  browser and the server.");

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

  script_xref(name:"URL", value:"http://support.microsoft.com/kb/2903566");
  script_xref(name:"URL", value:"http://www.securityfocus.com/bid/64093");
  script_xref(name:"URL", value:"https://technet.microsoft.com/en-us/security/bulletin/ms13-103");
  script_category(ACT_GATHER_INFO);
  script_copyright("Copyright (C) 2013 Greenbone AG");
  script_family("Windows : Microsoft Bulletins");
  script_dependencies("gb_ms_vs_team_foundation_server_detect.nasl");
  script_require_ports(139, 445);
  script_mandatory_keys("MS/VS/Team/Foundation/Server/Ver");
  exit(0);
}

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

if( ! infos = get_app_version_and_location( cpe:CPE, exit_no_version:TRUE ) ) exit( 0 );
vs_tfs_ver = infos["version"];
if(vs_tfs_ver !~ "^2013"){
  exit(0);
}
vs_tfs_path = infos["location"];
if(vs_tfs_path && "Could not find the install location" >!< vs_tfs_path)
{
  signalr_file = "\Application Tier\Web Services\bin\Microsoft.AspNet.SignalR.Core.dll";

  vs_tfs_file_ver = fetch_file_version(sysPath: vs_tfs_path, file_name:signalr_file);

  if(vs_tfs_file_ver)
  {
    if(version_is_less(version:vs_tfs_file_ver, test_version:"1.1.21022.0"))
    {
      security_message( port: 0, data: "The target host was found to be vulnerable" );
      exit(0);
    }
  }
}

exit(99);