-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ===================================================================== Red Hat Security Advisory Synopsis: Important: .NET 6.0 security update Advisory ID: RHSA-2023:4448-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2023:4448 Issue date: 2023-08-03 CVE Names: CVE-2023-29331 CVE-2023-29337 CVE-2023-33128 CVE-2023-33170 ===================================================================== 1. Summary: An update for .NET 6.0 is now available for Red Hat Enterprise Linux 8.6 Extended Update Support. 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: Red Hat CodeReady Linux Builder EUS (v.8.6) - aarch64, s390x, x86_64 Red Hat Enterprise Linux AppStream EUS (v.8.6) - aarch64, s390x, x86_64 3. Description: .NET 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 that address a security vulnerability are now available. The updated versions are .NET SDK 6.0.120 and .NET Runtime 6.0.20. Security Fix(es): * dotnet: .NET Kestrel: Denial of Service processing X509 Certificates (CVE-2023-29331) * dotnet: vulnerability exists in NuGet where a potential race condition can lead to a symlink attack (CVE-2023-29337) * dotnet: Remote Code Execution - Source generators issue can lead to a crash due to unmanaged heap corruption (CVE-2023-33128) * dotnet: race condition in Core SignInManager PasswordSignInAsync method (CVE-2023-33170) 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/): 2212617 - CVE-2023-29331 dotnet: .NET Kestrel: Denial of Service processing X509 Certificates 2212618 - CVE-2023-33128 dotnet: Remote Code Execution - Source generators issue can lead to a crash due to unmanaged heap corruption 2213703 - CVE-2023-29337 dotnet: vulnerability exists in NuGet where a potential race condition can lead to a symlink attack 2221854 - CVE-2023-33170 dotnet: race condition in Core SignInManager PasswordSignInAsync method 6. Package List: Red Hat Enterprise Linux AppStream EUS (v.8.6): Source: dotnet6.0-6.0.120-1.el8_6.src.rpm aarch64: aspnetcore-runtime-6.0-6.0.20-1.el8_6.aarch64.rpm aspnetcore-targeting-pack-6.0-6.0.20-1.el8_6.aarch64.rpm dotnet-6.0.120-1.el8_6.aarch64.rpm dotnet-apphost-pack-6.0-6.0.20-1.el8_6.aarch64.rpm dotnet-apphost-pack-6.0-debuginfo-6.0.20-1.el8_6.aarch64.rpm dotnet-host-6.0.20-1.el8_6.aarch64.rpm dotnet-host-debuginfo-6.0.20-1.el8_6.aarch64.rpm dotnet-hostfxr-6.0-6.0.20-1.el8_6.aarch64.rpm dotnet-hostfxr-6.0-debuginfo-6.0.20-1.el8_6.aarch64.rpm dotnet-runtime-6.0-6.0.20-1.el8_6.aarch64.rpm dotnet-runtime-6.0-debuginfo-6.0.20-1.el8_6.aarch64.rpm dotnet-sdk-6.0-6.0.120-1.el8_6.aarch64.rpm dotnet-sdk-6.0-debuginfo-6.0.120-1.el8_6.aarch64.rpm dotnet-targeting-pack-6.0-6.0.20-1.el8_6.aarch64.rpm dotnet-templates-6.0-6.0.120-1.el8_6.aarch64.rpm dotnet6.0-debuginfo-6.0.120-1.el8_6.aarch64.rpm dotnet6.0-debugsource-6.0.120-1.el8_6.aarch64.rpm netstandard-targeting-pack-2.1-6.0.120-1.el8_6.aarch64.rpm s390x: aspnetcore-runtime-6.0-6.0.20-1.el8_6.s390x.rpm aspnetcore-targeting-pack-6.0-6.0.20-1.el8_6.s390x.rpm dotnet-6.0.120-1.el8_6.s390x.rpm dotnet-apphost-pack-6.0-6.0.20-1.el8_6.s390x.rpm dotnet-apphost-pack-6.0-debuginfo-6.0.20-1.el8_6.s390x.rpm dotnet-host-6.0.20-1.el8_6.s390x.rpm dotnet-host-debuginfo-6.0.20-1.el8_6.s390x.rpm dotnet-hostfxr-6.0-6.0.20-1.el8_6.s390x.rpm dotnet-hostfxr-6.0-debuginfo-6.0.20-1.el8_6.s390x.rpm dotnet-runtime-6.0-6.0.20-1.el8_6.s390x.rpm dotnet-runtime-6.0-debuginfo-6.0.20-1.el8_6.s390x.rpm dotnet-sdk-6.0-6.0.120-1.el8_6.s390x.rpm dotnet-sdk-6.0-debuginfo-6.0.120-1.el8_6.s390x.rpm dotnet-targeting-pack-6.0-6.0.20-1.el8_6.s390x.rpm dotnet-templates-6.0-6.0.120-1.el8_6.s390x.rpm dotnet6.0-debuginfo-6.0.120-1.el8_6.s390x.rpm dotnet6.0-debugsource-6.0.120-1.el8_6.s390x.rpm netstandard-targeting-pack-2.1-6.0.120-1.el8_6.s390x.rpm x86_64: aspnetcore-runtime-6.0-6.0.20-1.el8_6.x86_64.rpm aspnetcore-targeting-pack-6.0-6.0.20-1.el8_6.x86_64.rpm dotnet-6.0.120-1.el8_6.x86_64.rpm dotnet-apphost-pack-6.0-6.0.20-1.el8_6.x86_64.rpm dotnet-apphost-pack-6.0-debuginfo-6.0.20-1.el8_6.x86_64.rpm dotnet-host-6.0.20-1.el8_6.x86_64.rpm dotnet-host-debuginfo-6.0.20-1.el8_6.x86_64.rpm dotnet-hostfxr-6.0-6.0.20-1.el8_6.x86_64.rpm dotnet-hostfxr-6.0-debuginfo-6.0.20-1.el8_6.x86_64.rpm dotnet-runtime-6.0-6.0.20-1.el8_6.x86_64.rpm dotnet-runtime-6.0-debuginfo-6.0.20-1.el8_6.x86_64.rpm dotnet-sdk-6.0-6.0.120-1.el8_6.x86_64.rpm dotnet-sdk-6.0-debuginfo-6.0.120-1.el8_6.x86_64.rpm dotnet-targeting-pack-6.0-6.0.20-1.el8_6.x86_64.rpm dotnet-templates-6.0-6.0.120-1.el8_6.x86_64.rpm dotnet6.0-debuginfo-6.0.120-1.el8_6.x86_64.rpm dotnet6.0-debugsource-6.0.120-1.el8_6.x86_64.rpm netstandard-targeting-pack-2.1-6.0.120-1.el8_6.x86_64.rpm Red Hat CodeReady Linux Builder EUS (v.8.6): aarch64: dotnet-apphost-pack-6.0-debuginfo-6.0.20-1.el8_6.aarch64.rpm dotnet-host-debuginfo-6.0.20-1.el8_6.aarch64.rpm dotnet-hostfxr-6.0-debuginfo-6.0.20-1.el8_6.aarch64.rpm dotnet-runtime-6.0-debuginfo-6.0.20-1.el8_6.aarch64.rpm dotnet-sdk-6.0-debuginfo-6.0.120-1.el8_6.aarch64.rpm dotnet-sdk-6.0-source-built-artifacts-6.0.120-1.el8_6.aarch64.rpm dotnet6.0-debuginfo-6.0.120-1.el8_6.aarch64.rpm dotnet6.0-debugsource-6.0.120-1.el8_6.aarch64.rpm s390x: dotnet-apphost-pack-6.0-debuginfo-6.0.20-1.el8_6.s390x.rpm dotnet-host-debuginfo-6.0.20-1.el8_6.s390x.rpm dotnet-hostfxr-6.0-debuginfo-6.0.20-1.el8_6.s390x.rpm dotnet-runtime-6.0-debuginfo-6.0.20-1.el8_6.s390x.rpm dotnet-sdk-6.0-debuginfo-6.0.120-1.el8_6.s390x.rpm dotnet-sdk-6.0-source-built-artifacts-6.0.120-1.el8_6.s390x.rpm dotnet6.0-debuginfo-6.0.120-1.el8_6.s390x.rpm dotnet6.0-debugsource-6.0.120-1.el8_6.s390x.rpm x86_64: dotnet-apphost-pack-6.0-debuginfo-6.0.20-1.el8_6.x86_64.rpm dotnet-host-debuginfo-6.0.20-1.el8_6.x86_64.rpm dotnet-hostfxr-6.0-debuginfo-6.0.20-1.el8_6.x86_64.rpm dotnet-runtime-6.0-debuginfo-6.0.20-1.el8_6.x86_64.rpm dotnet-sdk-6.0-debuginfo-6.0.120-1.el8_6.x86_64.rpm dotnet-sdk-6.0-source-built-artifacts-6.0.120-1.el8_6.x86_64.rpm dotnet6.0-debuginfo-6.0.120-1.el8_6.x86_64.rpm dotnet6.0-debugsource-6.0.120-1.el8_6.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-2023-29331 https://access.redhat.com/security/cve/CVE-2023-29337 https://access.redhat.com/security/cve/CVE-2023-33128 https://access.redhat.com/security/cve/CVE-2023-33170 https://access.redhat.com/security/updates/classification/#important 8. Contact: The Red Hat security contact is . More contact details at https://access.redhat.com/security/team/contact/ Copyright 2023 Red Hat, Inc. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIcBAEBCAAGBQJky2MkAAoJENzjgjWX9erEOCQP/3AanxSwE94uvS2bOptjaKqt 4/7+4y0quod+20qeyC06XS9YMOUgdSi7pCwHiimVoX2TuvXvgTY/J2pXSb484F7s mgasguscPN3iwc6db0Qu/R33vDDwE8E96V0wb4/kXA3s8MgK6S2+j3AXF4WyXr5x x9t6lNA4IjO52aFx2oEfqAGvYaucC6KqwWiK0O9Mg2StpZr25wSfW75xoC2FAxNi vHgzVPx/E1A00jRB0lif88IQR3CTJfsuea1axkY79NmztTyFiqTWt39vDV1Yklh9 UiMkcVygqR3vM32Ofl3BMqZOzkpUXgBvdd89XEHqpOEWLp+Pqm8/kGF7VdH82MD3 wX/GU2sC5XkdRlWBCU/Jt3VEGOGUFfGxq2D8yKrS1AdI+ogZar8gENz0g4NlUp9j rkBWm7wXbHNA/LnC+csjkeIHHFygOU+FV8hu+SrJ4wC3JP8BqLtp8Pz2QJ0aUUTl TJXPOefg3u9A2X75fnywTofTIjLsNqsQI4qm3E6Ejvj//v2h/VSD7r1GPa8cqW6r 96AkQGeucc4g8oFhDf9OTyXxrKJh3yrQlUPnWQJJtD1h5cDMPyYzicx4GYjcHfZ7 V1zcy25rpqg9PUjlTkUBNy8C1m9YSt6B7kQLnyOz62AqL/D8Y7PEsAsBaCWlRYHf 3AT9DfNjpIByNGCM6tOO =6yxm -----END PGP SIGNATURE----- -- RHSA-announce mailing list RHSA-announce@redhat.com https://listman.redhat.com/mailman/listinfo/rhsa-announce