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Denial of service in ASP.NET Core

High severity GitHub Reviewed Published May 24, 2022 to the GitHub Advisory Database • Updated Jan 27, 2023

Package

nuget Microsoft.AspNetCore.SignalR.Protocols.MessagePack (NuGet)

Affected versions

>= 1.1.0, < 1.1.5
>= 1.0.0, < 1.0.11

Patched versions

1.1.5
1.0.11

Description

A denial of service vulnerability exists when ASP.NET Core improperly handles web requests, aka 'ASP.NET Core Denial of Service Vulnerability'.

References

Published by the National Vulnerability Database May 16, 2019
Published to the GitHub Advisory Database May 24, 2022
Reviewed Jul 7, 2022
Last updated Jan 27, 2023

Severity

High
7.5
/ 10

CVSS base metrics

Attack vector
Network
Attack complexity
Low
Privileges required
None
User interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weaknesses

No CWEs

CVE ID

CVE-2019-0982

GHSA ID

GHSA-4jxx-4qxw-prxm

Source code

No known source code
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