5 Medium
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
AV:N/AC:L/Au:N/C:P/I:N/A:N
7.5 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
7.3 High
AI Score
Confidence
High
0.036 Low
EPSS
Percentile
91.7%
.NET Core is prone to an information disclosure vulnerability.
# SPDX-FileCopyrightText: 2018 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:asp.net_core";
if(description)
{
script_oid("1.3.6.1.4.1.25623.1.0.814093");
script_version("2024-02-09T05:06:25+0000");
script_cve_id("CVE-2018-8292");
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_tag(name:"last_modification", value:"2024-02-09 05:06:25 +0000 (Fri, 09 Feb 2024)");
script_tag(name:"severity_vector", value:"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N");
script_tag(name:"severity_origin", value:"NVD");
script_tag(name:"severity_date", value:"2018-12-06 14:46:00 +0000 (Thu, 06 Dec 2018)");
script_tag(name:"creation_date", value:"2018-10-11 11:56:04 +0530 (Thu, 11 Oct 2018)");
script_name(".NET Core Information Disclosure Vulnerability (Oct 2018) - Windows");
script_tag(name:"summary", value:".NET Core is prone to an information disclosure vulnerability.");
script_tag(name:"vuldetect", value:"Checks if a vulnerable version is present on the target host.");
script_tag(name:"insight", value:"The flaw exists when .NET Core when HTTP
authentication information is inadvertently exposed in an outbound request that
encounters an HTTP redirect.");
script_tag(name:"impact", value:"Successful exploitation will allow attackers
to disclose sensitive information and use the information to further compromise
the web application.");
script_tag(name:"affected", value:".NET Core 1.0.x runtime 1.0.12 or lower,
.NET Core 1.1.x runtime 1.1.9 or lower,
.NET Core 2.0.x runtime,
.NET Core SDK prior to version 1.1.11.");
script_tag(name:"solution", value:"Upgrade to 1.0.13, 1.1.10 or 2.1 or later for
.NET Core runtimes and to 1.1.11 for .NET Core SDK. Please see the references for more information.");
script_tag(name:"solution_type", value:"VendorFix");
script_tag(name:"qod_type", value:"registry");
script_xref(name:"URL", value:"https://github.com/dotnet/corefx/issues/32730");
script_xref(name:"URL", value:"https://portal.msrc.microsoft.com/en-us/security-guidance/advisory/CVE-2018-8292");
script_category(ACT_GATHER_INFO);
script_copyright("Copyright (C) 2018 Greenbone AG");
script_family("Windows");
script_dependencies("gb_asp_dotnet_core_detect_win.nasl");
script_mandatory_keys("ASP.NET/Core/Ver");
exit(0);
}
include("host_details.inc");
include("version_func.inc");
if(!infos = get_app_version_and_location(cpe:CPE, exit_no_version:TRUE)) exit(0);
coreVers = infos['version'];
path = infos['location'];
if(!coreVers || coreVers !~ "^(1\.[01]|2\.0)"){
exit(0);
}
if(!corerunVer = get_kb_item(".NET/Core/Runtime/Ver"))
{
if(!codesdkVer = get_kb_item(".NET/Core/SDK/Ver")){
exit(0);
}
}
if(corerunVer)
{
if(version_in_range(version:corerunVer, test_version:"1.0", test_version2:"1.0.12")){
fix = "1.0.13";
}
else if(version_in_range(version:corerunVer, test_version:"1.1", test_version2:"1.1.9")){
fix = "1.1.10";
}
else if(corerunVer =~ "^2\.0"){
fix = "2.1";
}
}
else if(codesdkVer)
{
if(version_in_range(version:codesdkVer, test_version:"1.1", test_version2:"1.1.10")){
fix1 = "1.1.11";
}
}
if(fix)
{
report = report_fixed_ver(installed_version:".NET Core With Microsoft .NET Core runtimes " + corerunVer,
fixed_version:".NET Core With Microsoft .NET Core runtimes version " + fix, install_path:path);
security_message(data:report);
exit(0);
}
else if(fix1)
{
report = report_fixed_ver(installed_version:".NET Core With Microsoft .NET Core SDK " + codesdkVer,
fixed_version:".NET Core With Microsoft .NET Core SDK version " + fix1, install_path:path);
security_message(data:report);
exit(0);
}
exit(0);
5 Medium
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
AV:N/AC:L/Au:N/C:P/I:N/A:N
7.5 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
7.3 High
AI Score
Confidence
High
0.036 Low
EPSS
Percentile
91.7%