what you don't know can hurt you
Home Files News &[SERVICES_TAB]About Contact Add New

Red Hat Security Advisory 2021-0787-01

Red Hat Security Advisory 2021-0787-01
Posted Mar 10, 2021
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2021-0787-01 - .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 a security vulnerability are now available. The updated versions are .NET Core SDK 2.1.522 and .NET Core Runtime 2.1.26. Issues addressed include a code execution vulnerability.

tags | advisory, code execution
systems | linux, redhat
advisories | CVE-2021-26701
SHA-256 | c0483ca0b32d7ad4ff7247d6f61173bf5f522c729582780b24d81935aa902a23

Red Hat Security Advisory 2021-0787-01

Change Mirror Download
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256

====================================================================
Red Hat Security Advisory

Synopsis: Important: .NET Core 2.1 on Red Hat Enterprise Linux security and bugfix update
Advisory ID: RHSA-2021:0787-01
Product: .NET Core on Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2021:0787
Issue date: 2021-03-09
CVE Names: CVE-2021-26701
====================================================================
1. Summary:

An update for rh-dotnet21-dotnet is now available for .NET Core on Red Hat
Enterprise Linux.

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.

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 a security vulnerability are now
available. The updated versions are .NET Core SDK 2.1.522 and .NET Core
Runtime 2.1.26.

Security Fix(es):

* dotnet: System.Text.Encodings.Web Remote Code Execution (CVE-2021-26701)

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.

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/):

1933740 - CVE-2021-26701 dotnet: System.Text.Encodings.Web Remote Code Execution

6. Package List:

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

Source:
rh-dotnet21-2.1-25.el7_9.src.rpm
rh-dotnet21-dotnet-2.1.522-1.el7_9.src.rpm

x86_64:
rh-dotnet21-2.1-25.el7_9.x86_64.rpm
rh-dotnet21-dotnet-2.1.522-1.el7_9.x86_64.rpm
rh-dotnet21-dotnet-debuginfo-2.1.522-1.el7_9.x86_64.rpm
rh-dotnet21-dotnet-host-2.1.26-1.el7_9.x86_64.rpm
rh-dotnet21-dotnet-runtime-2.1-2.1.26-1.el7_9.x86_64.rpm
rh-dotnet21-dotnet-sdk-2.1-2.1.522-1.el7_9.x86_64.rpm
rh-dotnet21-dotnet-sdk-2.1.5xx-2.1.522-1.el7_9.x86_64.rpm
rh-dotnet21-runtime-2.1-25.el7_9.x86_64.rpm

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

Source:
rh-dotnet21-2.1-25.el7_9.src.rpm
rh-dotnet21-dotnet-2.1.522-1.el7_9.src.rpm

x86_64:
rh-dotnet21-2.1-25.el7_9.x86_64.rpm
rh-dotnet21-dotnet-2.1.522-1.el7_9.x86_64.rpm
rh-dotnet21-dotnet-debuginfo-2.1.522-1.el7_9.x86_64.rpm
rh-dotnet21-dotnet-host-2.1.26-1.el7_9.x86_64.rpm
rh-dotnet21-dotnet-runtime-2.1-2.1.26-1.el7_9.x86_64.rpm
rh-dotnet21-dotnet-sdk-2.1-2.1.522-1.el7_9.x86_64.rpm
rh-dotnet21-dotnet-sdk-2.1.5xx-2.1.522-1.el7_9.x86_64.rpm
rh-dotnet21-runtime-2.1-25.el7_9.x86_64.rpm

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

Source:
rh-dotnet21-2.1-25.el7_9.src.rpm
rh-dotnet21-dotnet-2.1.522-1.el7_9.src.rpm

x86_64:
rh-dotnet21-2.1-25.el7_9.x86_64.rpm
rh-dotnet21-dotnet-2.1.522-1.el7_9.x86_64.rpm
rh-dotnet21-dotnet-debuginfo-2.1.522-1.el7_9.x86_64.rpm
rh-dotnet21-dotnet-host-2.1.26-1.el7_9.x86_64.rpm
rh-dotnet21-dotnet-runtime-2.1-2.1.26-1.el7_9.x86_64.rpm
rh-dotnet21-dotnet-sdk-2.1-2.1.522-1.el7_9.x86_64.rpm
rh-dotnet21-dotnet-sdk-2.1.5xx-2.1.522-1.el7_9.x86_64.rpm
rh-dotnet21-runtime-2.1-25.el7_9.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-2021-26701
https://access.redhat.com/security/updates/classification/#important

8. Contact:

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

Copyright 2021 Red Hat, Inc.
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1
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hdhc
-----END PGP SIGNATURE-----

--
RHSA-announce mailing list
RHSA-announce@redhat.com
https://listman.redhat.com/mailman/listinfo/rhsa-announce
Login or Register to add favorites

File Archive:

March 2024

  • Su
  • Mo
  • Tu
  • We
  • Th
  • Fr
  • Sa
  • 1
    Mar 1st
    16 Files
  • 2
    Mar 2nd
    0 Files
  • 3
    Mar 3rd
    0 Files
  • 4
    Mar 4th
    32 Files
  • 5
    Mar 5th
    28 Files
  • 6
    Mar 6th
    42 Files
  • 7
    Mar 7th
    17 Files
  • 8
    Mar 8th
    13 Files
  • 9
    Mar 9th
    0 Files
  • 10
    Mar 10th
    0 Files
  • 11
    Mar 11th
    15 Files
  • 12
    Mar 12th
    19 Files
  • 13
    Mar 13th
    21 Files
  • 14
    Mar 14th
    38 Files
  • 15
    Mar 15th
    15 Files
  • 16
    Mar 16th
    0 Files
  • 17
    Mar 17th
    0 Files
  • 18
    Mar 18th
    10 Files
  • 19
    Mar 19th
    32 Files
  • 20
    Mar 20th
    46 Files
  • 21
    Mar 21st
    16 Files
  • 22
    Mar 22nd
    13 Files
  • 23
    Mar 23rd
    0 Files
  • 24
    Mar 24th
    0 Files
  • 25
    Mar 25th
    12 Files
  • 26
    Mar 26th
    31 Files
  • 27
    Mar 27th
    19 Files
  • 28
    Mar 28th
    42 Files
  • 29
    Mar 29th
    0 Files
  • 30
    Mar 30th
    0 Files
  • 31
    Mar 31st
    0 Files

Top Authors In Last 30 Days

File Tags

Systems

packet storm

© 2022 Packet Storm. All rights reserved.

Services
Security Services
Hosting By
Rokasec
close