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Remote Denial of Service Vulnerability in Microsoft.Native.Quic.MsQuic.Schannel

High severity GitHub Reviewed Published Oct 10, 2023 in microsoft/msquic • Updated Jun 3, 2024

Package

nuget Microsoft.Native.Quic.MsQuic.OpenSSL (NuGet)

Affected versions

< 2.2.3

Patched versions

2.2.3
nuget Microsoft.Native.Quic.MsQuic.Schannel (NuGet)
< 2.2.3
2.2.3

Description

Impact

The MsQuic server application or process will crash, resulting in a denial of service.

Patches

The following patch was made:

Workarounds

Beyond upgrading to the patched versions, there is no other workaround. You must upgrade or disable MsQuic functionality.

References

@nibanks nibanks published to microsoft/msquic Oct 10, 2023
Published by the National Vulnerability Database Oct 10, 2023
Published to the GitHub Advisory Database Oct 10, 2023
Reviewed Oct 10, 2023
Last updated Jun 3, 2024

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

Weaknesses

CVE ID

CVE-2023-38171

GHSA ID

GHSA-xh5m-8qqp-c5x7

Source code

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