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Red Hat Security Advisory 2018-0522-01

Red Hat Security Advisory 2018-0522-01
Posted Mar 15, 2018
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2018-0522-01 - .NET Core is a managed software framework. It implements a subset of the .NET framework APIs and includes a CLR implementation. New versions of .NET Core that address several security vulnerabilities are now available. The updated versions are .NET Core 1.0.10, 1.1.7, and 2.0.6. These correspond to the March 2018 security release by .NET Core upstream projects. Issues addressed include a denial of service vulnerability.

tags | advisory, denial of service, vulnerability
systems | linux, redhat
advisories | CVE-2018-0875
MD5 | f89423ce6fefea78257fa0e8dede21d0

Red Hat Security Advisory 2018-0522-01

Change Mirror Download
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=====================================================================
Red Hat Security Advisory

Synopsis: Low: .NET Core on Red Hat Enterprise Linux security update
Advisory ID: RHSA-2018:0522-01
Product: .NET Core on Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2018:0522
Issue date: 2018-03-14
CVE Names: CVE-2018-0875
=====================================================================

1. Summary:

Updates for rh-dotnet20-dotnet, rh-dotnetcore10-dotnetcore, and
rh-dotnetcore11-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 Low. 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 includes a CLR implementation.

New versions of .NET Core that address several security vulnerabilities are
now available. The updated versions are .NET Core 1.0.10, 1.1.7, and 2.0.6.

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

Security Fix(es):

* .NET Core: Hash Collision Denial of Service (CVE-2018-0875)

Red Hat would like to thank Ben Adams (Illyriad Games) for reporting this
issue.

For more details about the security issue(s), including the impact, a CVSS
score, and other related information, refer to the CVE page(s) listed 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/):

1552060 - CVE-2018-0875 .NET Core: Hash Collision Denial of Service

6. Package List:

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

Source:
rh-dotnetcore10-dotnetcore-1.0.10-1.el7.src.rpm

x86_64:
rh-dotnetcore10-dotnetcore-1.0.10-1.el7.x86_64.rpm
rh-dotnetcore10-dotnetcore-debuginfo-1.0.10-1.el7.x86_64.rpm

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

Source:
rh-dotnetcore11-dotnetcore-1.1.7-1.el7.src.rpm

x86_64:
rh-dotnetcore11-dotnetcore-1.1.7-1.el7.x86_64.rpm
rh-dotnetcore11-dotnetcore-debuginfo-1.1.7-1.el7.x86_64.rpm

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

Source:
rh-dotnet20-dotnet-2.0.6-1.el7.src.rpm

x86_64:
rh-dotnet20-dotnet-2.0.6-1.el7.x86_64.rpm
rh-dotnet20-dotnet-debuginfo-2.0.6-1.el7.x86_64.rpm
rh-dotnet20-dotnet-host-2.0.6-1.el7.x86_64.rpm
rh-dotnet20-dotnet-runtime-2.0-2.0.6-1.el7.x86_64.rpm
rh-dotnet20-dotnet-sdk-2.1-2.1.101-1.el7.x86_64.rpm

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

Source:
rh-dotnetcore10-dotnetcore-1.0.10-1.el7.src.rpm

x86_64:
rh-dotnetcore10-dotnetcore-1.0.10-1.el7.x86_64.rpm
rh-dotnetcore10-dotnetcore-debuginfo-1.0.10-1.el7.x86_64.rpm

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

Source:
rh-dotnetcore11-dotnetcore-1.1.7-1.el7.src.rpm

x86_64:
rh-dotnetcore11-dotnetcore-1.1.7-1.el7.x86_64.rpm
rh-dotnetcore11-dotnetcore-debuginfo-1.1.7-1.el7.x86_64.rpm

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

Source:
rh-dotnet20-dotnet-2.0.6-1.el7.src.rpm

x86_64:
rh-dotnet20-dotnet-2.0.6-1.el7.x86_64.rpm
rh-dotnet20-dotnet-debuginfo-2.0.6-1.el7.x86_64.rpm
rh-dotnet20-dotnet-host-2.0.6-1.el7.x86_64.rpm
rh-dotnet20-dotnet-runtime-2.0-2.0.6-1.el7.x86_64.rpm
rh-dotnet20-dotnet-sdk-2.1-2.1.101-1.el7.x86_64.rpm

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

Source:
rh-dotnetcore10-dotnetcore-1.0.10-1.el7.src.rpm

x86_64:
rh-dotnetcore10-dotnetcore-1.0.10-1.el7.x86_64.rpm
rh-dotnetcore10-dotnetcore-debuginfo-1.0.10-1.el7.x86_64.rpm

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

Source:
rh-dotnetcore11-dotnetcore-1.1.7-1.el7.src.rpm

x86_64:
rh-dotnetcore11-dotnetcore-1.1.7-1.el7.x86_64.rpm
rh-dotnetcore11-dotnetcore-debuginfo-1.1.7-1.el7.x86_64.rpm

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

Source:
rh-dotnet20-dotnet-2.0.6-1.el7.src.rpm

x86_64:
rh-dotnet20-dotnet-2.0.6-1.el7.x86_64.rpm
rh-dotnet20-dotnet-debuginfo-2.0.6-1.el7.x86_64.rpm
rh-dotnet20-dotnet-host-2.0.6-1.el7.x86_64.rpm
rh-dotnet20-dotnet-runtime-2.0-2.0.6-1.el7.x86_64.rpm
rh-dotnet20-dotnet-sdk-2.1-2.1.101-1.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-2018-0875
https://access.redhat.com/security/updates/classification/#low

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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