Vulnerability Name:

CVE-2018-8356 (CCN-145360)

Assigned:2018-07-10
Published:2018-07-10
Updated:2022-05-23
Summary: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.
CVSS v3 Severity:5.5 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N)
4.8 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): High
Availibility (A): None
7.3 High (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L)
6.4 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): Low
Integrity (I): Low
Availibility (A): Low
CVSS v2 Severity:2.1 Low (CVSS v2 Vector: AV:L/AC:L/Au:N/C:N/I:P/A:N)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): Partial
Availibility (A): None
7.5 High (CCN CVSS v2 Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): Partial
Vulnerability Type:CWE-295
Vulnerability Consequences:Bypass Security
References:Source: MITRE
Type: CNA
CVE-2018-8356

Source: BID
Type: Third Party Advisory, VDB Entry
104664

Source: CCN
Type: BID-104664
Microsoft .NET Framework CVE-2018-8356 Security Bypass Vulnerability

Source: SECTRACK
Type: Third Party Advisory, VDB Entry
1041257

Source: XF
Type: UNKNOWN
ms-dotnet-cve20188356-sec-bypass(145360)

Source: CCN
Type: Microsoft Security TechCenter - July 2018
.NET Framework Security Feature Bypass Vulnerability

Source: CONFIRM
Type: Patch, Vendor Advisory
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8356

Vulnerable Configuration:Configuration 1:
  • cpe:/a:microsoft:.net_framework:3.0:sp2:*:*:*:*:*:*
  • AND
  • cpe:/o:microsoft:windows_server_2008:*:sp2:*:*:*:*:*:*

    • Configuration 2:
  • cpe:/a:microsoft:.net_framework:3.5:-:*:*:*:*:*:*
  • AND
  • cpe:/o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:*
  • OR cpe:/o:microsoft:windows_server_2016:*:*:*:*:*:*:*:*
  • OR cpe:/o:microsoft:windows_10:1607:*:*:*:*:*:*:*
  • OR cpe:/o:microsoft:windows_8.1:*:*:*:*:*:*:*:*
  • OR cpe:/o:microsoft:windows_server_2012:*:*:*:*:*:*:*:*
  • OR cpe:/o:microsoft:windows_10:1703:*:*:*:*:*:*:*
  • OR cpe:/o:microsoft:windows_10:-:*:*:*:*:*:*:*
  • OR cpe:/o:microsoft:windows_10:1709:*:*:*:*:*:*:*
  • OR cpe:/o:microsoft:windows_10:1803:*:*:*:*:*:*:*
  • OR cpe:/o:microsoft:windows_server:1803:*:*:*:*:*:*:*

    • Configuration 3:
  • cpe:/a:microsoft:.net_framework:3.5.1:*:*:*:*:*:*:*
  • AND
  • cpe:/o:microsoft:windows_server_2008:r2:sp1:*:*:*:*:*:*
  • OR cpe:/o:microsoft:windows_7:-:sp1:*:*:*:*:*:*

    • Configuration 4:
  • cpe:/a:microsoft:.net_framework:4.5.2:*:*:*:*:*:*:*
  • AND
  • cpe:/o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:*
  • OR cpe:/o:microsoft:windows_8.1:*:*:*:*:*:*:*:*
  • OR cpe:/o:microsoft:windows_server_2008:r2:sp1:*:*:*:*:*:*
  • OR cpe:/o:microsoft:windows_7:-:sp1:*:*:*:*:*:*
  • OR cpe:/o:microsoft:windows_rt_8.1:-:*:*:*:*:*:*:*
  • OR cpe:/o:microsoft:windows_server_2012:*:*:*:*:*:*:*:*
  • OR cpe:/o:microsoft:windows_server_2008:*:sp2:*:*:*:*:*:*

    • Configuration 5:
  • cpe:/a:microsoft:.net_framework:4.6:*:*:*:*:*:*:*
  • AND
  • cpe:/o:microsoft:windows_server_2008:*:sp2:*:*:*:*:*:*

    • Configuration 6:
  • cpe:/a:microsoft:.net_framework:4.6.2:*:*:*:*:*:*:*
  • OR cpe:/a:microsoft:.net_framework:4.7:*:*:*:*:*:*:*
  • OR cpe:/a:microsoft:.net_framework:4.7.1:*:*:*:*:*:*:*
  • OR cpe:/a:microsoft:.net_framework:4.7.2:*:*:*:*:*:*:*
  • AND
  • cpe:/o:microsoft:windows_10:1607:*:*:*:*:*:*:*
  • OR cpe:/o:microsoft:windows_server_2016:-:*:*:*:*:*:*:*

    • Configuration 7:
  • cpe:/a:microsoft:.net_framework:4.6.1:*:*:*:*:*:*:*
  • OR cpe:/a:microsoft:.net_framework:4.6:*:*:*:*:*:*:*
  • OR cpe:/a:microsoft:.net_framework:4.6.2:*:*:*:*:*:*:*
  • AND
  • cpe:/o:microsoft:windows_10:-:*:*:*:*:*:*:*

    • Configuration 8:
  • cpe:/a:microsoft:.net_framework:4.6.1:*:*:*:*:*:*:*
  • OR cpe:/a:microsoft:.net_framework:4.6:*:*:*:*:*:*:*
  • OR cpe:/a:microsoft:.net_framework:4.6.2:*:*:*:*:*:*:*
  • OR cpe:/a:microsoft:.net_framework:4.7:*:*:*:*:*:*:*
  • OR cpe:/a:microsoft:.net_framework:4.7.1:*:*:*:*:*:*:*
  • OR cpe:/a:microsoft:.net_framework:4.7.2:*:*:*:*:*:*:*
  • AND
  • cpe:/o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:*
  • OR cpe:/o:microsoft:windows_8.1:*:*:*:*:*:*:*:*
  • OR cpe:/o:microsoft:windows_server_2008:r2:sp1:*:*:*:*:*:*
  • OR cpe:/o:microsoft:windows_7:-:sp1:*:*:*:*:*:*
  • OR cpe:/o:microsoft:windows_rt_8.1:-:*:*:*:*:*:*:*
  • OR cpe:/o:microsoft:windows_server_2012:*:*:*:*:*:*:*:*

    • Configuration 9:
  • cpe:/a:microsoft:.net_framework:4.7.2:*:*:*:*:*:*:*
  • AND
  • cpe:/o:microsoft:windows_10:1803:*:*:*:*:*:*:*
  • OR cpe:/o:microsoft:windows_server:1803:*:*:*:*:*:*:*

    • Configuration 10:
  • cpe:/a:microsoft:powershell_core:6.1:*:*:*:*:*:*:*
  • OR cpe:/a:microsoft:powershell_core:6.0:*:*:*:*:*:*:*

    • Configuration 11:
  • cpe:/a:microsoft:.net_core:2.0:*:*:*:*:*:*:*
  • OR cpe:/a:microsoft:.net_core:1.0:-:*:*:*:*:*:*
  • OR cpe:/a:microsoft:.net_core:1.1:-:*:*:*:*:*:*

    • Configuration 12:
  • cpe:/a:microsoft:.net_framework_developer_pack:4.7.2:*:*:*:*:*:*:*

    • Configuration 13:
  • cpe:/a:microsoft:asp.net_core:1.0:*:*:*:*:*:*:*
  • OR cpe:/a:microsoft:asp.net_core:1.1:*:*:*:*:*:*:*
  • OR cpe:/a:microsoft:asp.net_core:2.0:*:*:*:*:*:*:*

    • Configuration CCN 1:
  • cpe:/a:microsoft:.net_framework:3.5:-:*:*:*:*:*:*
  • OR cpe:/a:microsoft:.net_framework:3.5.1:*:*:*:*:*:*:*
  • OR cpe:/a:microsoft:.net_framework:3.0:sp2:*:*:*:*:*:*
  • OR cpe:/a:microsoft:.net_framework:4.5.2:*:*:*:*:*:*:*
  • OR cpe:/a:microsoft:.net_framework:4.6:*:*:*:*:*:*:*
  • OR cpe:/a:microsoft:.net_framework:4.6.2:*:*:*:*:*:*:*
  • OR cpe:/a:microsoft:.net_core:1.0:-:*:*:*:*:*:*
  • OR cpe:/a:microsoft:.net_core:1.1:-:*:*:*:*:*:*
  • OR cpe:/a:microsoft:.net_core:2.0:*:*:*:*:*:*:*
  • OR cpe:/a:microsoft:.net_framework:4.7.2:*:*:*:*:*:*:*
  • AND
  • cpe:/o:microsoft:windows_server_2008:*:sp2:*:*:*:*:x32:*
  • OR cpe:/o:microsoft:windows_server_2008:*:sp2:*:*:*:*:x64:*
  • OR cpe:/o:microsoft:windows_server_2008:*:sp2:*:*:*:*:itanium:*
  • OR cpe:/o:microsoft:windows_7:-:sp1:-:*:-:-:x32:*
  • OR cpe:/o:microsoft:windows_7:*:sp1:x64:*:*:*:*:*
  • OR cpe:/o:microsoft:windows_server_2008:r2:sp1:*:*:*:*:x64:*
  • OR cpe:/o:microsoft:windows_server_2008:r2:sp1:*:*:*:*:itanium:*
  • OR cpe:/o:microsoft:windows_server_2012:*:*:*:*:*:*:*:*
  • OR cpe:/o:microsoft:windows_8.1:-:-:-:*:-:-:x32:*
  • OR cpe:/o:microsoft:windows_8.1:-:*:*:*:*:*:x64:*
  • OR cpe:/o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:*
  • OR cpe:/o:microsoft:windows_rt_8.1:*:*:*:*:*:*:*:*
  • OR cpe:/o:microsoft:windows_10:-:*:*:*:*:*:x32:*
  • OR cpe:/o:microsoft:windows_10_1507:-:*:*:*:*:*:x64:*
  • OR cpe:/o:microsoft:windows_server_2016:*:*:*:*:*:*:*:*
  • OR cpe:/o:microsoft:windows_server:1709:*:*:*:*:*:*:*
  • OR cpe:/o:microsoft:windows_server:1803:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    BACK
    microsoft .net framework 3.0 sp2
    microsoft windows server 2008 - sp2
    microsoft .net framework 3.5
    microsoft windows server 2012 r2
    microsoft windows server 2016 *
    microsoft windows 10 1607
    microsoft windows 8.1 *
    microsoft windows server 2012 *
    microsoft windows 10 1703
    microsoft windows 10 -
    microsoft windows 10 1709
    microsoft windows 10 1803
    microsoft windows server 1803
    microsoft .net framework 3.5.1
    microsoft windows server 2008 r2 sp1
    microsoft windows 7 - sp1
    microsoft .net framework 4.5.2
    microsoft windows server 2012 r2
    microsoft windows 8.1 *
    microsoft windows server 2008 r2 sp1
    microsoft windows 7 - sp1
    microsoft windows rt 8.1 -
    microsoft windows server 2012 *
    microsoft windows server 2008 * sp2
    microsoft .net framework 4.6
    microsoft windows server 2008 * sp2
    microsoft .net framework 4.6.2
    microsoft .net framework 4.7
    microsoft .net framework 4.7.1
    microsoft .net framework 4.7.2
    microsoft windows 10 1607
    microsoft windows server 2016 -
    microsoft .net framework 4.6.1
    microsoft .net framework 4.6
    microsoft .net framework 4.6.2
    microsoft windows 10 -
    microsoft .net framework 4.6.1
    microsoft .net framework 4.6
    microsoft .net framework 4.6.2
    microsoft .net framework 4.7
    microsoft .net framework 4.7.1
    microsoft .net framework 4.7.2
    microsoft windows server 2012 r2
    microsoft windows 8.1 *
    microsoft windows server 2008 r2 sp1
    microsoft windows 7 - sp1
    microsoft windows rt 8.1 -
    microsoft windows server 2012 *
    microsoft .net framework 4.7.2
    microsoft windows 10 1803
    microsoft windows server 1803
    microsoft powershell core 6.1
    microsoft powershell core 6.0
    microsoft .net core 2.0
    microsoft .net core 1.0
    microsoft .net core 1.1
    microsoft .net framework developer pack 4.7.2
    microsoft asp.net core 1.0
    microsoft asp.net core 1.1
    microsoft asp.net core 2.0
    microsoft .net framework 3.5
    microsoft .net framework 3.5.1
    microsoft .net framework 3.0 sp2
    microsoft .net framework 4.5.2
    microsoft .net framework 4.6
    microsoft .net framework 4.6.2
    microsoft .net core 1.0
    microsoft .net core 1.1
    microsoft .net core 2.0
    microsoft .net framework 4.7.2
    microsoft windows server 2008 sp2
    microsoft windows server 2008 sp2
    microsoft windows server 2008
    microsoft windows 7 - sp1
    microsoft windows 7 * sp1
    microsoft windows server 2008 r2 sp1
    microsoft windows server 2008 r2 sp1
    microsoft windows server 2012
    microsoft windows 8.1 - -
    microsoft windows 8.1 -
    microsoft windows server 2012 r2
    microsoft windows rt 8.1 *
    microsoft windows 10 -
    microsoft windows 10 -
    microsoft windows server 2016
    microsoft windows server 1709
    microsoft windows server 1803