RHSA-2024:0806 - Security Advisory

Topic

An update for dotnet7.0 is now available for Red Hat Enterprise Linux 8.

Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

Description

.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 7.0.116 and .NET Runtime 7.0.16.

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.

Solution

For details on how to apply this update, which includes the changes described in this advisory, refer to:

https://access.redhat.com/articles/11258

Affected Products

• Red Hat Enterprise Linux for x86_64 8 x86_64
• Red Hat Enterprise Linux for IBM z Systems 8 s390x
• Red Hat Enterprise Linux for Power, little endian 8 ppc64le
• Red Hat Enterprise Linux for ARM 64 8 aarch64
• Red Hat CodeReady Linux Builder for x86_64 8 x86_64
• Red Hat CodeReady Linux Builder for Power, little endian 8 ppc64le
• Red Hat CodeReady Linux Builder for ARM 64 8 aarch64
• Red Hat CodeReady Linux Builder for IBM z Systems 8 s390x

Fixes

• BZ - 2263085 - CVE-2024-21386 dotnet: Denial of Service in SignalR server
• BZ - 2263086 - CVE-2024-21404 dotnet: Denial of Service in X509Certificate2

CVEs

• CVE-2023-46233
• CVE-2024-21386
• CVE-2024-21404

References

• https://access.redhat.com/security/updates/classification/#important