var-201811-0478
Vulnerability from variot

A tampering vulnerability exists when .NET Core improperly handles specially crafted files, aka ".NET Core Tampering Vulnerability." This affects .NET Core 2.1. Successfully exploiting this issue may allow an attacker to bypass certain security restrictions and perform unauthorized actions. This may lead to other attacks. -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256

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

Synopsis: Moderate: .NET Core on Red Hat Enterprise Linux security update Advisory ID: RHSA-2018:3676-01 Product: .NET Core on Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2018:3676 Issue date: 2018-11-27 CVE Names: CVE-2018-8416 ==================================================================== 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 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.

  1. 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

  1. It implements a subset of the .NET framework APIs and several new APIs, and it includes a CLR implementation.

Security Fix(es):

  • .NET Core: Arbitrary file and directory creation (CVE-2018-8416)

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

  1. 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

  1. Package List:

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

Source: rh-dotnet21-dotnet-2.1.500-5.el7.src.rpm

x86_64: rh-dotnet21-dotnet-2.1.500-5.el7.x86_64.rpm rh-dotnet21-dotnet-debuginfo-2.1.500-5.el7.x86_64.rpm rh-dotnet21-dotnet-host-2.1.6-5.el7.x86_64.rpm rh-dotnet21-dotnet-runtime-2.1-2.1.6-5.el7.x86_64.rpm rh-dotnet21-dotnet-sdk-2.1-2.1.500-5.el7.x86_64.rpm rh-dotnet21-dotnet-sdk-2.1.5xx-2.1.500-5.el7.x86_64.rpm

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

Source: rh-dotnet21-dotnet-2.1.500-5.el7.src.rpm

x86_64: rh-dotnet21-dotnet-2.1.500-5.el7.x86_64.rpm rh-dotnet21-dotnet-debuginfo-2.1.500-5.el7.x86_64.rpm rh-dotnet21-dotnet-host-2.1.6-5.el7.x86_64.rpm rh-dotnet21-dotnet-runtime-2.1-2.1.6-5.el7.x86_64.rpm rh-dotnet21-dotnet-sdk-2.1-2.1.500-5.el7.x86_64.rpm rh-dotnet21-dotnet-sdk-2.1.5xx-2.1.500-5.el7.x86_64.rpm

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

Source: rh-dotnet21-dotnet-2.1.500-5.el7.src.rpm

x86_64: rh-dotnet21-dotnet-2.1.500-5.el7.x86_64.rpm rh-dotnet21-dotnet-debuginfo-2.1.500-5.el7.x86_64.rpm rh-dotnet21-dotnet-host-2.1.6-5.el7.x86_64.rpm rh-dotnet21-dotnet-runtime-2.1-2.1.6-5.el7.x86_64.rpm rh-dotnet21-dotnet-sdk-2.1-2.1.500-5.el7.x86_64.rpm rh-dotnet21-dotnet-sdk-2.1.5xx-2.1.500-5.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/

  1. References:

https://access.redhat.com/security/cve/CVE-2018-8416 https://access.redhat.com/security/updates/classification/#moderate https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8416

  1. 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. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1

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-- RHSA-announce mailing list RHSA-announce@redhat.com https://www.redhat.com/mailman/listinfo/rhsa-announce

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    "data": "A tampering vulnerability exists when .NET Core improperly handles specially crafted files, aka \".NET Core Tampering Vulnerability.\" This affects .NET Core 2.1. \nSuccessfully exploiting this issue may allow an attacker to bypass certain security restrictions and perform unauthorized actions. This may lead to other attacks. -----BEGIN PGP SIGNED MESSAGE-----\nHash: SHA256\n\n====================================================================                   \nRed Hat Security Advisory\n\nSynopsis:          Moderate: .NET Core on Red Hat Enterprise Linux security update\nAdvisory ID:       RHSA-2018:3676-01\nProduct:           .NET Core on Red Hat Enterprise Linux\nAdvisory URL:      https://access.redhat.com/errata/RHSA-2018:3676\nIssue date:        2018-11-27\nCVE Names:         CVE-2018-8416\n====================================================================\n1. Summary:\n\nAn update for rh-dotnet21-dotnet is now available for .NET Core on Red Hat\nEnterprise Linux. \n\nRed Hat Product Security has rated this update as having a security impact\nof Moderate. A Common Vulnerability Scoring System (CVSS) base score, which\ngives a detailed severity rating, is available for each vulnerability from\nthe CVE link(s) in the References section. \n\n2. Relevant releases/architectures:\n\n.NET Core on Red Hat Enterprise Linux ComputeNode (v. 7) - x86_64\n.NET Core on Red Hat Enterprise Linux Server (v. 7) - x86_64\n.NET Core on Red Hat Enterprise Linux Workstation (v. 7) - x86_64\n\n3. It implements a subset of the\n.NET framework APIs and several new APIs, and it includes a CLR\nimplementation. \n\nSecurity Fix(es):\n\n* .NET Core: Arbitrary file and directory creation (CVE-2018-8416)\n\nFor more information, please refer to the upstream docs in the References\nsection. \n\n4. Solution:\n\nFor details on how to apply this update, which includes the changes\ndescribed in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258\n\n5. Package List:\n\n.NET Core on Red Hat Enterprise Linux ComputeNode (v. 7):\n\nSource:\nrh-dotnet21-dotnet-2.1.500-5.el7.src.rpm\n\nx86_64:\nrh-dotnet21-dotnet-2.1.500-5.el7.x86_64.rpm\nrh-dotnet21-dotnet-debuginfo-2.1.500-5.el7.x86_64.rpm\nrh-dotnet21-dotnet-host-2.1.6-5.el7.x86_64.rpm\nrh-dotnet21-dotnet-runtime-2.1-2.1.6-5.el7.x86_64.rpm\nrh-dotnet21-dotnet-sdk-2.1-2.1.500-5.el7.x86_64.rpm\nrh-dotnet21-dotnet-sdk-2.1.5xx-2.1.500-5.el7.x86_64.rpm\n\n.NET Core on Red Hat Enterprise Linux Server (v. 7):\n\nSource:\nrh-dotnet21-dotnet-2.1.500-5.el7.src.rpm\n\nx86_64:\nrh-dotnet21-dotnet-2.1.500-5.el7.x86_64.rpm\nrh-dotnet21-dotnet-debuginfo-2.1.500-5.el7.x86_64.rpm\nrh-dotnet21-dotnet-host-2.1.6-5.el7.x86_64.rpm\nrh-dotnet21-dotnet-runtime-2.1-2.1.6-5.el7.x86_64.rpm\nrh-dotnet21-dotnet-sdk-2.1-2.1.500-5.el7.x86_64.rpm\nrh-dotnet21-dotnet-sdk-2.1.5xx-2.1.500-5.el7.x86_64.rpm\n\n.NET Core on Red Hat Enterprise Linux Workstation (v. 7):\n\nSource:\nrh-dotnet21-dotnet-2.1.500-5.el7.src.rpm\n\nx86_64:\nrh-dotnet21-dotnet-2.1.500-5.el7.x86_64.rpm\nrh-dotnet21-dotnet-debuginfo-2.1.500-5.el7.x86_64.rpm\nrh-dotnet21-dotnet-host-2.1.6-5.el7.x86_64.rpm\nrh-dotnet21-dotnet-runtime-2.1-2.1.6-5.el7.x86_64.rpm\nrh-dotnet21-dotnet-sdk-2.1-2.1.500-5.el7.x86_64.rpm\nrh-dotnet21-dotnet-sdk-2.1.5xx-2.1.500-5.el7.x86_64.rpm\n\nThese packages are GPG signed by Red Hat for security.  Our key and\ndetails on how to verify the signature are available from\nhttps://access.redhat.com/security/team/key/\n\n7. References:\n\nhttps://access.redhat.com/security/cve/CVE-2018-8416\nhttps://access.redhat.com/security/updates/classification/#moderate\nhttps://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8416\n\n8. Contact:\n\nThe Red Hat security contact is \u003csecalert@redhat.com\u003e. More contact\ndetails at https://access.redhat.com/security/team/contact/\n\nCopyright 2018 Red Hat, Inc. \n-----BEGIN PGP SIGNATURE-----\nVersion: GnuPG v1\n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\nuuianWdqhaI=i2VD\n-----END PGP SIGNATURE-----\n\n--\nRHSA-announce mailing list\nRHSA-announce@redhat.com\nhttps://www.redhat.com/mailman/listinfo/rhsa-announce\n",
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