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almalinuxAlmaLinuxALSA-2024:0827
HistoryFeb 15, 2024 - 12:00 a.m.

Important: .NET 8.0 security update

2024-02-1500:00:00
errata.almalinux.org
13
.net framework
managed-software
security update
signalr server
x509certificate2
cve-2024-21386
cve-2024-21404
cvss score

CVSS3

7.5

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

AI Score

7

Confidence

High

EPSS

0.002

Percentile

61.8%

.NET is a managed-software framework. It implements a subset of the .NET framework APIs and several new APIs, and it includes a CLR implementation.

New versions of .NET that address a security vulnerability are now available. The updated versions are .NET SDK 8.0.102 and .NET Runtime 8.0.2.

Security Fix(es):

  • dotnet: Denial of Service in SignalR server (CVE-2024-21386)
  • dotnet: Denial of Service in X509Certificate2 (CVE-2024-21404)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

CVSS3

7.5

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

AI Score

7

Confidence

High

EPSS

0.002

Percentile

61.8%