5.5
MEDIUM
CVE-2018-8356
"Microsoft .NET Framework Certificate Validation Bypass"
Description

A security feature bypass vulnerability exists when Microsoft .NET Framework components do not correctly validate certificates, aka ".NET Framework Security Feature Bypass Vulnerability." This affects .NET Framework 4.7.2, Microsoft .NET Framework 3.0, Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2, ASP.NET Core 1.1, Microsoft .NET Framework 4.5.2, ASP.NET Core 2.0, ASP.NET Core 1.0, .NET Core 1.1, Microsoft .NET Framework 3.5, Microsoft .NET Framework 3.5.1, Microsoft .NET Framework 4.6/4.6.1/4.6.2, .NET Core 1.0, .NET Core 2.0, Microsoft .NET Framework 4.6, Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.1/4.7.2, Microsoft .NET Framework 4.7.2.

INFO

Published Date :

July 11, 2018, 12:29 a.m.

Last Modified :

May 23, 2022, 5:29 p.m.

Remotely Exploitable :

No

Impact Score :

3.6

Exploitability Score :

1.8
Affected Products

The following products are affected by CVE-2018-8356 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Microsoft .net_framework
2 Microsoft powershell_core
3 Microsoft .net_core
4 Microsoft .net_framework_developer_pack
5 Microsoft asp.net_core
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2018-8356.

URL Resource
http://www.securityfocus.com/bid/104664 Third Party Advisory VDB Entry
http://www.securitytracker.com/id/1041257 Third Party Advisory VDB Entry
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8356 Patch Vendor Advisory

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2018-8356 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2018-8356 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • CPE Deprecation Remap by [email protected]

    May. 23, 2022

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:o:microsoft:windows_server:1803:*:*:*:*:*:*:* OR *cpe:2.3:o:microsoft:windows_10:1803:*:*:*:*:*:*:*
  • Initial Analysis by [email protected]

    Sep. 10, 2018

    Action Type Old Value New Value
    Added CVSS V2 (AV:L/AC:L/Au:N/C:N/I:P/A:N)
    Added CVSS V3 AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
    Changed Reference Type http://www.securityfocus.com/bid/104664 No Types Assigned http://www.securityfocus.com/bid/104664 Third Party Advisory, VDB Entry
    Changed Reference Type http://www.securitytracker.com/id/1041257 No Types Assigned http://www.securitytracker.com/id/1041257 Third Party Advisory, VDB Entry
    Changed Reference Type https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8356 No Types Assigned https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8356 Patch, Vendor Advisory
    Added CWE CWE-295
    Added CPE Configuration AND OR *cpe:2.3:a:microsoft:.net_framework:3.0:sp2:*:*:*:*:*:* OR cpe:2.3:o:microsoft:windows_server_2008:-:sp2:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:a:microsoft:.net_framework:3.5:*:*:*:*:*:*:* OR cpe:2.3:o:microsoft:windows_10:-:*:*:*:*:*:*:* cpe:2.3:o:microsoft:windows_10:1607:*:*:*:*:*:*:* cpe:2.3:o:microsoft:windows_10:1703:*:*:*:*:*:*:* cpe:2.3:o:microsoft:windows_10:1709:*:*:*:*:*:*:* cpe:2.3:o:microsoft:windows_10:1803:*:*:*:*:*:*:* cpe:2.3:o:microsoft:windows_8.1:*:*:*:*:*:*:*:* cpe:2.3:o:microsoft:windows_server:1803:*:*:*:*:*:*:* cpe:2.3:o:microsoft:windows_server_2012:*:*:*:*:*:*:*:* cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:* cpe:2.3:o:microsoft:windows_server_2016:*:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:a:microsoft:.net_framework:3.5.1:*:*:*:*:*:*:* OR cpe:2.3:o:microsoft:windows_7:-:sp1:*:*:*:*:*:* cpe:2.3:o:microsoft:windows_server_2008:r2:sp1:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:a:microsoft:.net_framework:4.5.2:*:*:*:*:*:*:* OR cpe:2.3:o:microsoft:windows_7:-:sp1:*:*:*:*:*:* cpe:2.3:o:microsoft:windows_8.1:*:*:*:*:*:*:*:* cpe:2.3:o:microsoft:windows_rt_8.1:-:*:*:*:*:*:*:* cpe:2.3:o:microsoft:windows_server_2008:*:sp2:*:*:*:*:*:* cpe:2.3:o:microsoft:windows_server_2008:r2:sp1:*:*:*:*:*:* cpe:2.3:o:microsoft:windows_server_2012:*:*:*:*:*:*:*:* cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:a:microsoft:.net_framework:4.6:*:*:*:*:*:*:* OR cpe:2.3:o:microsoft:windows_server_2008:*:sp2:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:a:microsoft:.net_framework:4.6.2:*:*:*:*:*:*:* *cpe:2.3:a:microsoft:.net_framework:4.7:*:*:*:*:*:*:* *cpe:2.3:a:microsoft:.net_framework:4.7.1:*:*:*:*:*:*:* *cpe:2.3:a:microsoft:.net_framework:4.7.2:*:*:*:*:*:*:* OR cpe:2.3:o:microsoft:windows_10:1607:*:*:*:*:*:*:* cpe:2.3:o:microsoft:windows_server_2016:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:a:microsoft:.net_framework:4.6:*:*:*:*:*:*:* *cpe:2.3:a:microsoft:.net_framework:4.6.1:*:*:*:*:*:*:* *cpe:2.3:a:microsoft:.net_framework:4.6.2:*:*:*:*:*:*:* OR cpe:2.3:o:microsoft:windows_10:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:a:microsoft:.net_framework:4.6:*:*:*:*:*:*:* *cpe:2.3:a:microsoft:.net_framework:4.6.1:*:*:*:*:*:*:* *cpe:2.3:a:microsoft:.net_framework:4.6.2:*:*:*:*:*:*:* *cpe:2.3:a:microsoft:.net_framework:4.7:*:*:*:*:*:*:* *cpe:2.3:a:microsoft:.net_framework:4.7.1:*:*:*:*:*:*:* *cpe:2.3:a:microsoft:.net_framework:4.7.2:*:*:*:*:*:*:* OR cpe:2.3:o:microsoft:windows_7:-:sp1:*:*:*:*:*:* cpe:2.3:o:microsoft:windows_8.1:*:*:*:*:*:*:*:* cpe:2.3:o:microsoft:windows_rt_8.1:-:*:*:*:*:*:*:* cpe:2.3:o:microsoft:windows_server_2008:r2:sp1:*:*:*:*:*:* cpe:2.3:o:microsoft:windows_server_2012:*:*:*:*:*:*:*:* cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:a:microsoft:.net_framework:4.7.2:*:*:*:*:*:*:* OR cpe:2.3:o:microsoft:windows_10:1803:*:*:*:*:*:*:* cpe:2.3:o:microsoft:windows_server:1803:*:*:*:*:*:*:*
    Added CPE Configuration OR *cpe:2.3:a:microsoft:powershell_core:6.0:*:*:*:*:*:*:* *cpe:2.3:a:microsoft:powershell_core:6.1:*:*:*:*:*:*:*
    Added CPE Configuration OR *cpe:2.3:a:microsoft:.net_core:1.0:*:*:*:*:*:*:* *cpe:2.3:a:microsoft:.net_core:1.1:*:*:*:*:*:*:* *cpe:2.3:a:microsoft:.net_core:2.0:*:*:*:*:*:*:*
    Added CPE Configuration OR *cpe:2.3:a:microsoft:.net_framework_developer_pack:4.7.2:*:*:*:*:*:*:*
    Added CPE Configuration OR *cpe:2.3:a:microsoft:asp.net_core:1.0:*:*:*:*:*:*:* *cpe:2.3:a:microsoft:asp.net_core:1.1:*:*:*:*:*:*:* *cpe:2.3:a:microsoft:asp.net_core:2.0:*:*:*:*:*:*:*
  • CVE Modified by [email protected]

    Jul. 12, 2018

    Action Type Old Value New Value
    Added Reference http://www.securitytracker.com/id/1041257 [No Types Assigned]
    Added Reference http://www.securityfocus.com/bid/104664 [No Types Assigned]
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2018-8356 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2018-8356 weaknesses.

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.21 }} -0.00%

score

0.59286

percentile

CVSS30 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability