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Red Hat Security Advisory

Synopsis: Moderate: .NET Core on Red Hat Enterprise Linux security update
Advisory ID: RHSA-2018:2902-01
Product: .NET Core on Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2018:2902
Issue date: 2018-10-09
CVE Names: CVE-2018-8292
=====================================================================

1. Summary:

Updates for rh-dotnetcore11-dotnetcore, and rh-dotnetcore10-dotnetcore are
now available for .NET Core on Red Hat Enterprise Linux.

Red Hat Product Security has rated this update as having a security impact
of Moderate. 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.

2. Relevant releases/architectures:

.NET Core on Red Hat Enterprise Linux ComputeNode (v. 7) – x86_64
.NET Core on Red Hat Enterprise Linux Server (v. 7) – x86_64
.NET Core on Red Hat Enterprise Linux Workstation (v. 7) – x86_64

3. Description:

.NET Core 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 Core that address several security vulnerabilities are
now available. The updated versions are .NET Core 1.1.1 and 1.0.13.

These versions correspond to the October 2018 security release by .NET Core
upstream projects.

Security Fix(es):

* An information disclosure vulnerability exists in .NET Core when
authentication information is inadvertently exposed in a redirect
(CVE-2018-8292)

For more information, please refer to the upstream docs in the References
section.

4. 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

5. Bugs fixed (https://bugzilla.redhat.com/):

1636274 – CVE-2018-8292 .NET Core: information disclosure due to authentication information exposed in a redirect

6. Package List:

.NET Core on Red Hat Enterprise Linux ComputeNode (v. 7):

Source:
rh-dotnetcore10-dotnetcore-1.0.13-1.el7.src.rpm

x86_64:
rh-dotnetcore10-dotnetcore-1.0.13-1.el7.x86_64.rpm
rh-dotnetcore10-dotnetcore-debuginfo-1.0.13-1.el7.x86_64.rpm

.NET Core on Red Hat Enterprise Linux ComputeNode (v. 7):

Source:
rh-dotnetcore11-dotnetcore-1.1.10-1.el7.src.rpm

x86_64:
rh-dotnetcore11-dotnetcore-1.1.10-1.el7.x86_64.rpm
rh-dotnetcore11-dotnetcore-debuginfo-1.1.10-1.el7.x86_64.rpm

.NET Core on Red Hat Enterprise Linux Server (v. 7):

Source:
rh-dotnetcore10-dotnetcore-1.0.13-1.el7.src.rpm

x86_64:
rh-dotnetcore10-dotnetcore-1.0.13-1.el7.x86_64.rpm
rh-dotnetcore10-dotnetcore-debuginfo-1.0.13-1.el7.x86_64.rpm

.NET Core on Red Hat Enterprise Linux Server (v. 7):

Source:
rh-dotnetcore11-dotnetcore-1.1.10-1.el7.src.rpm

x86_64:
rh-dotnetcore11-dotnetcore-1.1.10-1.el7.x86_64.rpm
rh-dotnetcore11-dotnetcore-debuginfo-1.1.10-1.el7.x86_64.rpm

.NET Core on Red Hat Enterprise Linux Workstation (v. 7):

Source:
rh-dotnetcore10-dotnetcore-1.0.13-1.el7.src.rpm

x86_64:
rh-dotnetcore10-dotnetcore-1.0.13-1.el7.x86_64.rpm
rh-dotnetcore10-dotnetcore-debuginfo-1.0.13-1.el7.x86_64.rpm

.NET Core on Red Hat Enterprise Linux Workstation (v. 7):

Source:
rh-dotnetcore11-dotnetcore-1.1.10-1.el7.src.rpm

x86_64:
rh-dotnetcore11-dotnetcore-1.1.10-1.el7.x86_64.rpm
rh-dotnetcore11-dotnetcore-debuginfo-1.1.10-1.el7.x86_64.rpm

These packages are GPG signed by Red Hat for security. Our key and
details on how to verify the signature are available from
https://access.redhat.com/security/team/key/

7. References:

https://access.redhat.com/security/cve/CVE-2018-8292
https://access.redhat.com/security/updates/classification/#moderate
https://github.com/dotnet/announcements/issues/88

8. Contact:

The Red Hat security contact is <secalert@redhat.com>. More contact
details at https://access.redhat.com/security/team/contact/

Copyright 2018 Red Hat, Inc.
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