Vulnerability Name:

CVE-2019-0545 (CCN-154898)

Assigned:2018-11-26
Published:2019-01-08
Updated:2022-05-23
Summary:An information disclosure vulnerability exists in .NET Framework and .NET Core which allows bypassing Cross-origin Resource Sharing (CORS) configurations, aka ".NET Framework Information Disclosure Vulnerability." This affects Microsoft .NET Framework 2.0, Microsoft .NET Framework 3.0, Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2, Microsoft .NET Framework 4.5.2, Microsoft .NET Framework 4.6, Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2, Microsoft .NET Framework 4.7/4.7.1/4.7.2, .NET Core 2.1, Microsoft .NET Framework 4.7.1/4.7.2, Microsoft .NET Framework 3.5, Microsoft .NET Framework 3.5.1, Microsoft .NET Framework 4.6/4.6.1/4.6.2, .NET Core 2.2, Microsoft .NET Framework 4.7.2.
CVSS v3 Severity:7.5 High (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N)
6.5 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/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): High
Integrity (I): None
Availibility (A): None
7.5 High (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N)
6.5 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/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): High
Integrity (I): None
Availibility (A): None
CVSS v2 Severity:5.0 Medium (CVSS v2 Vector: AV:N/AC:L/Au:N/C:P/I:N/A:N)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): None
Availibility (A): None
7.8 High (CCN CVSS v2 Vector: AV:N/AC:L/Au:N/C:C/I:N/A:N)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): Complete
Integrity (I): None
Availibility (A): None
Vulnerability Type:CWE-200
Vulnerability Consequences:Obtain Information
References:Source: MITRE
Type: CNA
CVE-2019-0545

Source: BID
Type: Third Party Advisory, VDB Entry
106405

Source: REDHAT
Type: Third Party Advisory
RHSA-2019:0040

Source: XF
Type: UNKNOWN
ms-dotnet-cve20190545-info-disc(154898)

Source: CCN
Type: Microsoft Security TechCenter - January 2019
Microsoft ASP.NET Information Disclosure Vulnerability

Source: CONFIRM
Type: Vendor Advisory, Patch
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0545

Source: CCN
Type: WhiteSource Vulnerability Database
CVE-2019-0545

Vulnerable Configuration:Configuration 1:
  • cpe:/a:microsoft:.net_framework:2.0:sp2:*:*:*:*:*:*
  • OR 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_2019:-:*:*:*:*:*:*:*
  • OR cpe:/o:microsoft:windows_10:1809:*:*:*:*:*:*:*

    • Configuration 3:
  • cpe:/a:microsoft:.net_framework:3.5.1:*:*:*:*:*:*:*
  • AND
  • cpe:/o:microsoft:windows_server_2008:r2:sp1:*:*:*:*:x64:*
  • OR cpe:/o:microsoft:windows_server_2008:r2:sp1:*:*:*:*:itanium:*
  • OR cpe:/o:microsoft:windows_7:-:sp1:*:*:*:*:*:*

    • Configuration 4:
  • cpe:/a:microsoft:.net_framework:4.5.2:*:*:*:*:*:*:*
  • AND
  • cpe:/o:microsoft:windows_server_2008:r2:sp1:*:*:*:*:x64:*
  • OR cpe:/o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:*
  • OR cpe:/o:microsoft:windows_8.1:*:*:*:*:*:*:*:*
  • OR cpe:/o:microsoft:windows_server_2008:*:sp2:*:*:*:*:*:*
  • OR cpe:/o:microsoft:windows_7:-:sp1:*:*:*:*:*:*
  • OR cpe:/o:microsoft:windows_rt_8.1:-:*:*:*:*:*:*:*
  • OR cpe:/o:microsoft:windows_server_2012:*:*:*:*:*:*:*:*

    • Configuration 5:
  • 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 6:
  • 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 7:
  • cpe:/a:microsoft:.net_framework:4.7.1:*:*:*:*:*:*:*
  • OR cpe:/a:microsoft:.net_framework:4.7.2:*:*:*:*:*:*:*
  • AND
  • cpe:/o:microsoft:windows_10:1709:*:*:*:*:*:*:*
  • OR cpe:/o:microsoft:windows_server:1709:*:*:*:*:*:*:*

    • Configuration 8:
  • cpe:/a:microsoft:.net_framework:4.7.2:*:*:*:*:*:*:*
  • AND
  • cpe:/o:microsoft:windows_10:1803:*:*:*:*:*:*:*
  • OR cpe:/o:microsoft:windows_server:1803:*:*:*:*:*:*:*

    • Configuration 9:
  • 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_10:1703:*:*:*:*:*:*:*

    • Configuration 10:
  • cpe:/a:microsoft:.net_core:2.1:-:*:*:*:*:*:*
  • OR cpe:/a:microsoft:.net_core:2.2:-:*:*:*:*:*:*

    • Configuration CCN 1:
  • cpe:/a:microsoft:.net_framework:2.0:sp2:*:*:*:*:*:*
  • OR 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_framework:4.7.2:*:*:*:*:*:*:*
  • OR cpe:/a:microsoft:.net_core:2.1:-:*:*:*:*:*:*
  • OR cpe:/a:microsoft:.net_core:2.2:-:*:*:*:*:*:*
  • OR cpe:/a:microsoft:.net_core:2.3:*:*:*:*:*:*:*
  • 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:*:*:ultimate_n:*:x86:*
  • 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:::~~~~x64~:*:*:*:*:*
  • OR cpe:/o:microsoft:windows_server_2016:*:*:*:*:*:*:*:*
  • OR cpe:/o:microsoft:windows_server:1709:*:*:*:*:*:*:*
  • OR cpe:/o:microsoft:windows_server:1803:*:*:*:*:*:*:*
  • OR cpe:/o:microsoft:windows_server_2019:*:*:*:*:*:*:*:*
  • OR cpe:/o:microsoft:windows_10:-:*:*:*:*:*:arm64:*

    • * Denotes that component is vulnerable
    BACK
    microsoft .net framework 2.0 sp2
    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 2019 -
    microsoft windows 10 1809
    microsoft .net framework 3.5.1
    microsoft windows server 2008 r2 sp1
    microsoft windows server 2008 r2 sp1
    microsoft windows 7 - sp1
    microsoft .net framework 4.5.2
    microsoft windows server 2008 r2 sp1
    microsoft windows server 2012 r2
    microsoft windows 8.1 *
    microsoft windows server 2008 - sp2
    microsoft windows 7 - sp1
    microsoft windows rt 8.1 -
    microsoft windows server 2012 *
    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 .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 4.7.1
    microsoft .net framework 4.7.2
    microsoft windows 10 1709
    microsoft windows server 1709
    microsoft .net framework 4.7.2
    microsoft windows 10 1803
    microsoft windows server 1803
    microsoft .net framework 4.7
    microsoft .net framework 4.7.1
    microsoft .net framework 4.7.2
    microsoft windows 10 1703
    microsoft .net core 2.1
    microsoft .net core 2.2
    microsoft .net framework 2.0 sp2
    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 framework 4.7.2
    microsoft .net core 2.1
    microsoft .net core 2.2
    microsoft .net core 2.3
    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
    microsoft windows server 2008 r2
    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
    microsoft windows server 2019
    microsoft windows 10 -