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githubGitHub Advisory DatabaseGHSA-242J-2GM6-5RWX
HistoryMay 24, 2022 - 5:38 p.m.

ASP.NET Core and Visual Studio Denial of Service Vulnerability

2022-05-2417:38:51
GitHub Advisory Database
github.com
9

5 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:N/I:N/A:P

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

0.002 Low

EPSS

Percentile

57.1%

A denial-of-service vulnerability exists in the way Kestrel parses HTTP/2 requests. The security update addresses the vulnerability by fixing the way the Kestrel parses HTTP/2 requests. Users are advised to upgrade.

Affected configurations

Vulners
Node
microsoft.aspnetcore.app.runtime.linuxarmMatch5.0.1
OR
microsoft.aspnetcore.app.runtime.winx86Range<5.0.2
OR
microsoft.aspnetcore.app.runtime.winx86Range<3.1.11
OR
microsoft.aspnetcore.app.runtime.winx64Range<5.0.2
OR
microsoft.aspnetcore.app.runtime.winx64Range<3.1.11
OR
microsoft.aspnetcore.app.runtime.winarm64Range<5.0.2
OR
microsoft.aspnetcore.app.runtime.winarm64Range<3.1.11
OR
microsoft.aspnetcore.app.runtime.winarmRange<5.0.2
OR
microsoft.aspnetcore.app.runtime.winarmRange<3.1.11
OR
microsoft.aspnetcore.app.runtime.osxx64Range<5.0.2
OR
microsoft.aspnetcore.app.runtime.osxx64Range<3.1.11
OR
microsoft.aspnetcore.app.runtime.linuxx64Range<5.0.2
OR
microsoft.aspnetcore.app.runtime.linuxx64Range<3.1.11
OR
microsoft.aspnetcore.app.runtime.linuxx64Range<5.0.2
OR
microsoft.aspnetcore.app.runtime.linuxx64Range<3.1.11
OR
microsoft.aspnetcore.app.runtime.linuxarm64Range<5.0.2
OR
microsoft.aspnetcore.app.runtime.linuxarm64Range<3.1.11
OR
microsoft.aspnetcore.app.runtime.linuxarm64Range<5.0.2
OR
microsoft.aspnetcore.app.runtime.linuxarm64Range<3.1.11
OR
microsoft.aspnetcore.app.runtime.linuxarmRange<5.0.2
OR
microsoft.aspnetcore.app.runtime.linuxarmRange<3.1.11
OR
microsoft.aspnetcore.server.kestrel.coreRange<2.1.25

5 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:N/I:N/A:P

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

0.002 Low

EPSS

Percentile

57.1%