QID 239551

Date Published: 2021-08-17

QID 239551: Red Hat Update for .NET 5.0 on RHEL 7 (RHSA-2021:3147)

.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 security vulnerabilities are now available. The updated versions are .NET SDK 5.0.206 and .NET Runtime 5.0.9.

Security Fix(es): dotnet: ASP.NET Core WebSocket frame processing DoS (CVE-2021-26423) dotnet: Dump file created world-readable (CVE-2021-34485) dotnet: ASP.NET Core JWT token logging (CVE-2021-34532)

Affected Products:

dotNET on RHEL (for RHEL Server) 1 x86_64
dotNET on RHEL (for RHEL Workstation) 1 x86_64
dotNET on RHEL (for RHEL Compute Node) 1 x86_64

Note: The preceding description block is extracted directly from the security advisory. Using automation, we have attempted to clean and format it as much as possible without introducing additional issues.

On successful exploitation, it could allow an attacker to execute code.

  • CVSS V3 rated as High - 7.5 severity.
  • CVSS V2 rated as Low - 2.1 severity.
    • Solution
    Upgrade to the latest packages which contain a patch. Refer to Applying Package Updates to RHEL system for details.

    Refer to Red Hat security advisory RHSA-2021:3147 to address this issue and obtain more information.

    Vendor References

    CVEs related to QID 239551

    CVE-2021-26423 | CVE-2021-34485 | CVE-2021-34532 |
    Software Advisories
    Advisory ID Software Component Link
    RHSA-2021:3147 Red Hat Enterprise Linux URL Logo access.redhat.com/errata/RHSA-2021:3147?language=en
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