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Red Hat .NET 5.0 packages could allow unauthorized code execution

published 2 years ago

Summary

The .NET 5.0 runtime and related components for Red Hat may let an attacker run code they shouldn't be able to. This could affect any system using these packages, potentially compromising data or services. Apply the latest Red Hat update for these packages as soon as possible to close the risk.

What to do

Update redhat aspnetcore-runtime-5.0 to version 0:5.0.6-1.el8_4.
Update redhat aspnetcore-targeting-pack-5.0 to version 0:5.0.6-1.el8_4.
Update redhat dotnet to version 0:5.0.203-1.el8_4.
Update redhat dotnet-apphost-pack-5.0 to version 0:5.0.6-1.el8_4.
Update redhat dotnet-apphost-pack-5.0-debuginfo to version 0:5.0.6-1.el8_4.
Update redhat dotnet-host to version 0:5.0.6-1.el8_4.
Update redhat dotnet-host-debuginfo to version 0:5.0.6-1.el8_4.
Update redhat dotnet-hostfxr-5.0 to version 0:5.0.6-1.el8_4.
Update redhat dotnet-hostfxr-5.0-debuginfo to version 0:5.0.6-1.el8_4.
Update redhat dotnet-runtime-5.0 to version 0:5.0.6-1.el8_4.
Update redhat dotnet-runtime-5.0-debuginfo to version 0:5.0.6-1.el8_4.
Update redhat dotnet-sdk-5.0 to version 0:5.0.203-1.el8_4.
Update redhat dotnet-sdk-5.0-debuginfo to version 0:5.0.203-1.el8_4.
Update redhat dotnet-targeting-pack-5.0 to version 0:5.0.6-1.el8_4.
Update redhat dotnet-templates-5.0 to version 0:5.0.203-1.el8_4.
Update redhat dotnet5.0 to version 0:5.0.203-1.el8_4.
Update redhat dotnet5.0-debuginfo to version 0:5.0.203-1.el8_4.
Update redhat dotnet5.0-debugsource to version 0:5.0.203-1.el8_4.
Update redhat netstandard-targeting-pack-2.1 to version 0:5.0.203-1.el8_4.

Affected software

Ecosystem	Vendor	Product	Affected versions
Red Hat:enterprise_linux:8::appstream	redhat	aspnetcore-runtime-5.0	< 0:5.0.6-1.el8_4 Fix: upgrade to 0:5.0.6-1.el8_4
Red Hat:enterprise_linux:8::appstream	redhat	aspnetcore-targeting-pack-5.0	< 0:5.0.6-1.el8_4 Fix: upgrade to 0:5.0.6-1.el8_4
Red Hat:enterprise_linux:8::appstream	redhat	dotnet	< 0:5.0.203-1.el8_4 Fix: upgrade to 0:5.0.203-1.el8_4
Red Hat:enterprise_linux:8::appstream	redhat	dotnet-apphost-pack-5.0	< 0:5.0.6-1.el8_4 Fix: upgrade to 0:5.0.6-1.el8_4
Red Hat:enterprise_linux:8::appstream	redhat	dotnet-apphost-pack-5.0-debuginfo	< 0:5.0.6-1.el8_4 Fix: upgrade to 0:5.0.6-1.el8_4
Red Hat:enterprise_linux:8::appstream	redhat	dotnet-host	< 0:5.0.6-1.el8_4 Fix: upgrade to 0:5.0.6-1.el8_4
Red Hat:enterprise_linux:8::appstream	redhat	dotnet-host-debuginfo	< 0:5.0.6-1.el8_4 Fix: upgrade to 0:5.0.6-1.el8_4
Red Hat:enterprise_linux:8::appstream	redhat	dotnet-hostfxr-5.0	< 0:5.0.6-1.el8_4 Fix: upgrade to 0:5.0.6-1.el8_4
Red Hat:enterprise_linux:8::appstream	redhat	dotnet-hostfxr-5.0-debuginfo	< 0:5.0.6-1.el8_4 Fix: upgrade to 0:5.0.6-1.el8_4
Red Hat:enterprise_linux:8::appstream	redhat	dotnet-runtime-5.0	< 0:5.0.6-1.el8_4 Fix: upgrade to 0:5.0.6-1.el8_4
Red Hat:enterprise_linux:8::appstream	redhat	dotnet-runtime-5.0-debuginfo	< 0:5.0.6-1.el8_4 Fix: upgrade to 0:5.0.6-1.el8_4
Red Hat:enterprise_linux:8::appstream	redhat	dotnet-sdk-5.0	< 0:5.0.203-1.el8_4 Fix: upgrade to 0:5.0.203-1.el8_4
Red Hat:enterprise_linux:8::appstream	redhat	dotnet-sdk-5.0-debuginfo	< 0:5.0.203-1.el8_4 Fix: upgrade to 0:5.0.203-1.el8_4
Red Hat:enterprise_linux:8::appstream	redhat	dotnet-targeting-pack-5.0	< 0:5.0.6-1.el8_4 Fix: upgrade to 0:5.0.6-1.el8_4
Red Hat:enterprise_linux:8::appstream	redhat	dotnet-templates-5.0	< 0:5.0.203-1.el8_4 Fix: upgrade to 0:5.0.203-1.el8_4
Red Hat:enterprise_linux:8::appstream	redhat	dotnet5.0	< 0:5.0.203-1.el8_4 Fix: upgrade to 0:5.0.203-1.el8_4
Red Hat:enterprise_linux:8::appstream	redhat	dotnet5.0-debuginfo	< 0:5.0.203-1.el8_4 Fix: upgrade to 0:5.0.203-1.el8_4
Red Hat:enterprise_linux:8::appstream	redhat	dotnet5.0-debugsource	< 0:5.0.203-1.el8_4 Fix: upgrade to 0:5.0.203-1.el8_4
Red Hat:enterprise_linux:8::appstream	redhat	netstandard-targeting-pack-2.1	< 0:5.0.203-1.el8_4 Fix: upgrade to 0:5.0.203-1.el8_4

Original advisory text

Red Hat Security Advisory: dotnet5.0 security and bugfix update

References

https://access.redhat.com/errata/RHSA-2021:2036 Vendor Advisory
https://access.redhat.com/security/updates/classification/#important Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1956815 Third Party Advisory
https://security.access.redhat.com/data/csaf/v2/advisories/2021/rhsa-2021_2036.j... Vendor Advisory
https://access.redhat.com/security/cve/CVE-2021-31204 Third Party Advisory
https://www.cve.org/CVERecord?id=CVE-2021-31204 Vendor Advisory
https://nvd.nist.gov/vuln/detail/CVE-2021-31204 Vendor Advisory
https://github.com/dotnet/announcements/issues/185 Third Party Advisory
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-31204 Third Party Advisory

Fix within

Internet-facing 14 days

Internal At next upgrade

Not known to be exploited
Needs hands-on effort to exploit (estimated)
Gives an attacker full control (estimated)

Severity

7.3 High

Timeline

Published16 Sep 2024

Updated8 Oct 2026

First seen8 Oct 2026

Sources

RHSA-2021:2036 · OSV

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