-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 ===================================================================== Red Hat Security Advisory Synopsis: Low: .NET Core security update Advisory ID: RHSA-2017:3248-01 Product: dotNET on RHEL Advisory URL: https://access.redhat.com/errata/RHSA-2017:3248 Issue date: 2017-11-20 CVE Names: CVE-2017-8585 CVE-2017-11770 ===================================================================== 1. Summary: A security update for .NET Core on RHEL is now available. 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: dotNET on RHEL for Red Hat Enterprise Linux ComputeNode (v. 7) - x86_64 dotNET on RHEL for Red Hat Enterprise Linux Server (v. 7) - x86_64 dotNET on RHEL for Red Hat Enterprise Linux Workstation (v. 7) - x86_64 3. Description: New versions of .NET Core that address several security vulnerabilities are now available. The updated versions are .NET Core 1.0.8, 1.1.5 and 2.0.3. Security Fixes: * By providing an invalid culture, an attacker can cause a recursive lookup that leads to a denial of service. (CVE-2017-8585) * Supplying a specially crafted certificate can cause an infinite X509Chain, resulting in a denial of service. (CVE-2017-11770) 4. Solution: Before applying this update, make sure all previously released errata relevant to your system have been applied. For details on how to apply this update, refer to: https://access.redhat.com/articles/11258 5. Bugs fixed (https://bugzilla.redhat.com/): 1512982 - CVE-2017-8585 dotNet: DDoS via invalid culture 1512992 - CVE-2017-11770 dotNET: DDos via bad certificate 6. Package List: dotNET on RHEL for Red Hat Enterprise Linux ComputeNode (v. 7): Source: rh-dotnetcore10-dotnetcore-1.0.8-1.el7.src.rpm x86_64: rh-dotnetcore10-dotnetcore-1.0.8-1.el7.x86_64.rpm rh-dotnetcore10-dotnetcore-debuginfo-1.0.8-1.el7.x86_64.rpm dotNET on RHEL for Red Hat Enterprise Linux ComputeNode (v. 7): Source: rh-dotnetcore11-dotnetcore-1.1.5-1.el7.src.rpm x86_64: rh-dotnetcore11-dotnetcore-1.1.5-1.el7.x86_64.rpm rh-dotnetcore11-dotnetcore-debuginfo-1.1.5-1.el7.x86_64.rpm dotNET on RHEL for Red Hat Enterprise Linux ComputeNode (v. 7): Source: rh-dotnet20-dotnet-2.0.3-4.el7.src.rpm x86_64: rh-dotnet20-dotnet-2.0.3-4.el7.x86_64.rpm rh-dotnet20-dotnet-debuginfo-2.0.3-4.el7.x86_64.rpm rh-dotnet20-dotnet-host-2.0.3-4.el7.x86_64.rpm rh-dotnet20-dotnet-runtime-2.0-2.0.3-4.el7.x86_64.rpm rh-dotnet20-dotnet-sdk-2.0-2.0.3-4.el7.x86_64.rpm dotNET on RHEL for Red Hat Enterprise Linux Server (v. 7): Source: rh-dotnetcore10-dotnetcore-1.0.8-1.el7.src.rpm x86_64: rh-dotnetcore10-dotnetcore-1.0.8-1.el7.x86_64.rpm rh-dotnetcore10-dotnetcore-debuginfo-1.0.8-1.el7.x86_64.rpm dotNET on RHEL for Red Hat Enterprise Linux Server (v. 7): Source: rh-dotnetcore11-dotnetcore-1.1.5-1.el7.src.rpm x86_64: rh-dotnetcore11-dotnetcore-1.1.5-1.el7.x86_64.rpm rh-dotnetcore11-dotnetcore-debuginfo-1.1.5-1.el7.x86_64.rpm dotNET on RHEL for Red Hat Enterprise Linux Server (v. 7): Source: rh-dotnet20-dotnet-2.0.3-4.el7.src.rpm x86_64: rh-dotnet20-dotnet-2.0.3-4.el7.x86_64.rpm rh-dotnet20-dotnet-debuginfo-2.0.3-4.el7.x86_64.rpm rh-dotnet20-dotnet-host-2.0.3-4.el7.x86_64.rpm rh-dotnet20-dotnet-runtime-2.0-2.0.3-4.el7.x86_64.rpm rh-dotnet20-dotnet-sdk-2.0-2.0.3-4.el7.x86_64.rpm dotNET on RHEL for Red Hat Enterprise Linux Workstation (v. 7): Source: rh-dotnetcore10-dotnetcore-1.0.8-1.el7.src.rpm x86_64: rh-dotnetcore10-dotnetcore-1.0.8-1.el7.x86_64.rpm rh-dotnetcore10-dotnetcore-debuginfo-1.0.8-1.el7.x86_64.rpm dotNET on RHEL for Red Hat Enterprise Linux Workstation (v. 7): Source: rh-dotnetcore11-dotnetcore-1.1.5-1.el7.src.rpm x86_64: rh-dotnetcore11-dotnetcore-1.1.5-1.el7.x86_64.rpm rh-dotnetcore11-dotnetcore-debuginfo-1.1.5-1.el7.x86_64.rpm dotNET on RHEL for Red Hat Enterprise Linux Workstation (v. 7): Source: rh-dotnet20-dotnet-2.0.3-4.el7.src.rpm x86_64: rh-dotnet20-dotnet-2.0.3-4.el7.x86_64.rpm rh-dotnet20-dotnet-debuginfo-2.0.3-4.el7.x86_64.rpm rh-dotnet20-dotnet-host-2.0.3-4.el7.x86_64.rpm rh-dotnet20-dotnet-runtime-2.0-2.0.3-4.el7.x86_64.rpm rh-dotnet20-dotnet-sdk-2.0-2.0.3-4.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-2017-8585 https://access.redhat.com/security/cve/CVE-2017-11770 https://access.redhat.com/security/updates/classification/#low https://github.com/dotnet/announcements/issues/34 https://github.com/dotnet/announcements/issues/44 https://github.com/dotnet/core/blob/master/release-notes/2.0/2.0.3.md https://github.com/dotnet/core/blob/master/release-notes/1.1/1.1.5.md https://github.com/dotnet/core/blob/master/release-notes/1.0/1.0.8.md 8. Contact: The Red Hat security contact is . More contact details at https://access.redhat.com/security/team/contact/ Copyright 2017 Red Hat, Inc. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iD8DBQFaEsB8XlSAg2UNWIIRAmOjAJ9wjYtfCUbtPpsnb6lS24iFpnlohwCfW3q7 qK6A1l+OTjiiqdhM/cGc8ZU= =DZ68 -----END PGP SIGNATURE----- -- RHSA-announce mailing list RHSA-announce@redhat.com https://www.redhat.com/mailman/listinfo/rhsa-announce