CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
NONE
AV:N/AC:M/Au:N/C:N/I:P/A:N
EPSS
Percentile
98.0%
The remote host is running a version of ASP.NET SignalR that is affected by a cross-site scripting vulnerability that results in privilege escalation. An attacker who successfully exploited this vulnerability could take any action that the targeted user could take on the site.
#%NASL_MIN_LEVEL 70300
#
# (C) Tenable Network Security, Inc.
#
include('deprecated_nasl_level.inc');
include('compat.inc');
if (description)
{
script_id(71318);
script_version("1.11");
script_set_attribute(attribute:"plugin_modification_date", value:"2022/04/11");
script_cve_id("CVE-2013-5042");
script_bugtraq_id(64093);
script_xref(name:"MSFT", value:"MS13-103");
script_xref(name:"MSKB", value:"2903566");
script_xref(name:"MSKB", value:"2903919");
script_xref(name:"IAVA", value:"2013-A-0224");
script_name(english:"MS13-103: Vulnerability in ASP.NET SignalR Could Allow Elevation of Privilege (2905244)");
script_set_attribute(attribute:"synopsis", value:
"The remote host has an application that is affected by a cross-site
scripting vulnerability.");
script_set_attribute(attribute:"description", value:
"The remote host is running a version of ASP.NET SignalR that is
affected by a cross-site scripting vulnerability that results in
privilege escalation. An attacker who successfully exploited this
vulnerability could take any action that the targeted user could take
on the site.");
script_set_attribute(attribute:"see_also", value:"https://docs.microsoft.com/en-us/security-updates/SecurityBulletins/2013/ms13-103");
script_set_attribute(attribute:"solution", value:
"Microsoft has released a set of patches for Visual Studio Team
Foundation Server 2013 and ASP.NET SignalR.");
script_set_cvss_base_vector("CVSS2#AV:N/AC:M/Au:N/C:N/I:P/A:N");
script_set_cvss_temporal_vector("CVSS2#E:U/RL:OF/RC:C");
script_set_attribute(attribute:"exploitability_ease", value:"No known exploits are available");
script_set_attribute(attribute:"exploit_available", value:"false");
script_set_attribute(attribute:"vuln_publication_date", value:"2013/12/10");
script_set_attribute(attribute:"patch_publication_date", value:"2013/12/10");
script_set_attribute(attribute:"plugin_publication_date", value:"2013/12/11");
script_set_attribute(attribute:"plugin_type", value:"local");
script_set_attribute(attribute:"cpe", value:"cpe:/a:microsoft:asp.net_signalr");
script_set_attribute(attribute:"cpe", value:"cpe:/a:microsoft:visual_studio_team_foundation_server");
script_set_attribute(attribute:"stig_severity", value:"II");
script_set_attribute(attribute:"thorough_tests", value:"true");
script_end_attributes();
script_category(ACT_GATHER_INFO);
script_family(english:"Windows : Microsoft Bulletins");
script_copyright(english:"This script is Copyright (C) 2013-2022 Tenable Network Security, Inc.");
script_dependencies("smb_hotfixes.nasl", "microsoft_team_foundation_server_installed.nasl", "ms_bulletin_checks_possible.nasl", "smb_enum_shares.nasl");
script_require_keys("SMB/MS_Bulletin_Checks/Possible");
script_require_ports(139, 445, "Host/patch_management_checks");
exit(0);
}
# ##########################################################
#
# Includes
#
# ##########################################################
include("audit.inc");
include("smb_func.inc");
include("smb_hotfixes.inc");
include("smb_hotfixes_fcheck.inc");
include("install_func.inc");
include("misc_func.inc");
# ##########################################################
#
# General Checks and Variables
#
# ##########################################################
get_kb_item_or_exit("SMB/MS_Bulletin_Checks/Possible");
bulletin = "MS13-103";
kbs = make_list(2903566, 2903919);
if (get_kb_item("Host/patch_management_checks")) hotfix_check_3rd_party(bulletin:bulletin, kbs:kbs, severity:SECURITY_WARNING);
vuln = 0;
# Get path information for Windows.
windir = hotfix_get_systemroot();
if (isnull(windir)) exit(1, "Failed to determine the location of %windir%.");
# ##########################################################
#
# Microsoft Team Foundation Server 2013
#
# ##########################################################
appname = 'Microsoft Team Foundation Server';
kb = "2903566";
installs = get_installs(app_name:appname, exit_if_not_found:FALSE);
if (installs[0] == IF_OK)
{
foreach install (installs[1])
{
path = install['path'];
version = install['version'];
if (version =~ "^12\.0\.") # 2013
{
dll = hotfix_append_path(path:path, value:"Application Tier\Web Services\bin\Microsoft.TeamFoundation.Chat.Server.dll");
if (hotfix_check_fversion(
file:"Microsoft.TeamFoundation.Chat.Server.dll",
version:"12.0.21106.0",
path:hotfix_append_path(path:path, value:"Application Tier\Web Services\bin"),
bulletin:bulletin,
kb:kb,
product:appname) == HCF_OLDER
) vuln++;
}
}
}
# ##########################################################
#
# ASP.NET SignalR
#
# ##########################################################
appname = 'ASP.NET SignalR';
kb = "2903919";
file = "Microsoft.AspNet.SignalR.Core.dll";
if (
hotfix_check_fversion(
file:"Microsoft.AspNet.SignalR.Core.dll",
version:"1.1.21022.0",
min_version:"1.1.0.0",
path:hotfix_append_path(path:windir, value:"Microsoft.NET\assembly\GAC_MSIL\Microsoft.AspNet.SignalR.Core\v4.0_1.1.0.0__31bf3856ad364e35"),
bulletin:bulletin,
kb:kb,
product:appname + ' 1.1.x') == HCF_OLDER
) vuln++;
if (hotfix_check_fversion(
file:"Microsoft.AspNet.SignalR.Core.dll",
version:"2.0.21023.5",
min_version:"2.0.0.0",
path:hotfix_append_path(path:windir, value:"Microsoft.NET\assembly\GAC_MSIL\Microsoft.AspNet.SignalR.Core\v4.0_2.0.0.0__31bf3856ad364e35"),
bulletin:bulletin,
kb:kb,
product:appname + ' 2.0.x') == HCF_OLDER
) vuln++;
# ##########################################################
#
# Close up and report
#
# ##########################################################
if (vuln)
{
set_kb_item(name:"www/0/XSS", value:TRUE);
set_kb_item(name:'SMB/Missing/'+bulletin, value:TRUE);
hotfix_security_warning();
hotfix_check_fversion_end();
exit(0);
}
else
{
hotfix_check_fversion_end();
audit(AUDIT_HOST_NOT, 'affected');
}