CVE-2022-34716
August 09, 2022
Microsoft is releasing this security advisory to provide information about a vulnerability in .NET Core 3.1 and .NET 6.0. An information disclosure vulnerability exists in .NET Core 3.1 and .NET 6.0 that could lead to unauthorized access of privileged information.
## Affected software
* Any .NET 6.0 application running on .NET 6.0.7 or earlier.
* Any .NET Core 3.1 applicaiton running on .NET Core 3.1.27 or earlier.
## Patches
* If you're using .NET 6.0, you should download and install Runtime 6.0.8 or SDK 6.0.108 (for Visual Studio 2022 v17.1) from https://dotnet.microsoft.com/download/dotnet-core/6.0.
* If you're using .NET Core 3.1, you should download and install Runtime 3.1.28 (for Visual Studio 2019 v16.9) from https://dotnet.microsoft.com/download/dotnet-core/3.1.
Affected Packages
Microsoft.AspNetCore.App.Runtime.osx-x64 (NUGET):
Affected version(s) Fix Suggestion:
Update to version 6.0.8Microsoft.AspNetCore.App.Runtime.win-arm64 (NUGET):
Affected version(s) Fix Suggestion:
Update to version 6.0.8System.Security.Cryptography.Xml (NUGET):
Affected version(s) Fix Suggestion:
Update to version 6.0.1System.Security.Cryptography.Xml (NUGET):
Affected version(s) Fix Suggestion:
Update to version 4.7.1Microsoft.AspNetCore.App.Runtime.linux-musl-arm (NUGET):
Affected version(s) Fix Suggestion:
Update to version 6.0.8Microsoft.AspNetCore.App.Runtime.win-x64 (NUGET):
Affected version(s) Fix Suggestion:
Update to version 3.1.28Microsoft.AspNetCore.App.Runtime.linux-musl-x64 (NUGET):
Affected version(s) Fix Suggestion:
Update to version 3.1.28Microsoft.AspNetCore.App.Runtime.linux-x64 (NUGET):
Affected version(s) Fix Suggestion:
Update to version 3.1.28Microsoft.AspNetCore.App.Runtime.linux-x64 (NUGET):
Affected version(s) Fix Suggestion:
Update to version 6.0.8Microsoft.AspNetCore.App.Runtime.linux-arm (NUGET):
Affected version(s) Fix Suggestion:
Update to version 3.1.28Microsoft.AspNetCore.App.Runtime.win-arm (NUGET):
Affected version(s) Fix Suggestion:
Update to version 6.0.8Microsoft.AspNetCore.App.Runtime.win-x64 (NUGET):
Affected version(s) Fix Suggestion:
Update to version 6.0.8Microsoft.AspNetCore.App.Runtime.osx-arm64 (NUGET):
Affected version(s) Fix Suggestion:
Update to version 6.0.8Microsoft.AspNetCore.App.Runtime.win-arm (NUGET):
Affected version(s) Fix Suggestion:
Update to version 3.1.28Microsoft.AspNetCore.App.Runtime.linux-arm64 (NUGET):
Affected version(s) Fix Suggestion:
Update to version 3.1.28Microsoft.AspNetCore.App.Runtime.linux-musl-arm64 (NUGET):
Affected version(s) Fix Suggestion:
Update to version 3.1.28Microsoft.AspNetCore.App.Runtime.win-x86 (NUGET):
Affected version(s) Fix Suggestion:
Update to version 6.0.8Microsoft.AspNetCore.App.Runtime.win-arm64 (NUGET):
Affected version(s) Fix Suggestion:
Update to version 3.1.28Microsoft.AspNetCore.App.Runtime.win-x86 (NUGET):
Affected version(s) Fix Suggestion:
Update to version 3.1.28Microsoft.AspNetCore.App.Runtime.linux-arm64 (NUGET):
Affected version(s) Fix Suggestion:
Update to version 6.0.8Microsoft.AspNetCore.App.Runtime.linux-arm (NUGET):
Affected version(s) Fix Suggestion:
Update to version 6.0.8Microsoft.AspNetCore.App.Runtime.linux-musl-arm64 (NUGET):
Affected version(s) Fix Suggestion:
Update to version 6.0.8Microsoft.AspNetCore.App.Runtime.osx-x64 (NUGET):
Affected version(s) Fix Suggestion:
Update to version 3.1.28Microsoft.AspNetCore.App.Runtime.linux-musl-x64 (NUGET):
Affected version(s) Fix Suggestion:
Update to version 6.0.8Related Resources (7)
Do you need more information?
Contact UsCVSS v4
Base Score:
8.2
Attack Vector
NETWORK
Attack Complexity
HIGH
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
HIGH
Vulnerable System Integrity
NONE
Vulnerable System Availability
NONE
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
5.9
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
NONE
Exploit Maturity
UNPROVEN
Weakness Type (CWE)
Authentication Bypass by Spoofing
EPSS
Base Score:
1.11
