-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ===================================================================== Red Hat Security Advisory Synopsis: Important: .NET 6.0 security update Advisory ID: RHSA-2023:4449-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2023:4449 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 9.0 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.9.0) - aarch64, s390x, x86_64 Red Hat Enterprise Linux AppStream EUS (v.9.0) - 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.9.0): Source: dotnet6.0-6.0.120-1.el9_0.src.rpm aarch64: aspnetcore-runtime-6.0-6.0.20-1.el9_0.aarch64.rpm aspnetcore-targeting-pack-6.0-6.0.20-1.el9_0.aarch64.rpm dotnet-apphost-pack-6.0-6.0.20-1.el9_0.aarch64.rpm dotnet-apphost-pack-6.0-debuginfo-6.0.20-1.el9_0.aarch64.rpm dotnet-host-6.0.20-1.el9_0.aarch64.rpm dotnet-host-debuginfo-6.0.20-1.el9_0.aarch64.rpm dotnet-hostfxr-6.0-6.0.20-1.el9_0.aarch64.rpm dotnet-hostfxr-6.0-debuginfo-6.0.20-1.el9_0.aarch64.rpm dotnet-runtime-6.0-6.0.20-1.el9_0.aarch64.rpm dotnet-runtime-6.0-debuginfo-6.0.20-1.el9_0.aarch64.rpm dotnet-sdk-6.0-6.0.120-1.el9_0.aarch64.rpm dotnet-sdk-6.0-debuginfo-6.0.120-1.el9_0.aarch64.rpm dotnet-targeting-pack-6.0-6.0.20-1.el9_0.aarch64.rpm dotnet-templates-6.0-6.0.120-1.el9_0.aarch64.rpm dotnet6.0-debuginfo-6.0.120-1.el9_0.aarch64.rpm dotnet6.0-debugsource-6.0.120-1.el9_0.aarch64.rpm netstandard-targeting-pack-2.1-6.0.120-1.el9_0.aarch64.rpm s390x: aspnetcore-runtime-6.0-6.0.20-1.el9_0.s390x.rpm aspnetcore-targeting-pack-6.0-6.0.20-1.el9_0.s390x.rpm dotnet-apphost-pack-6.0-6.0.20-1.el9_0.s390x.rpm dotnet-apphost-pack-6.0-debuginfo-6.0.20-1.el9_0.s390x.rpm dotnet-host-6.0.20-1.el9_0.s390x.rpm dotnet-host-debuginfo-6.0.20-1.el9_0.s390x.rpm dotnet-hostfxr-6.0-6.0.20-1.el9_0.s390x.rpm dotnet-hostfxr-6.0-debuginfo-6.0.20-1.el9_0.s390x.rpm dotnet-runtime-6.0-6.0.20-1.el9_0.s390x.rpm dotnet-runtime-6.0-debuginfo-6.0.20-1.el9_0.s390x.rpm dotnet-sdk-6.0-6.0.120-1.el9_0.s390x.rpm dotnet-sdk-6.0-debuginfo-6.0.120-1.el9_0.s390x.rpm dotnet-targeting-pack-6.0-6.0.20-1.el9_0.s390x.rpm dotnet-templates-6.0-6.0.120-1.el9_0.s390x.rpm dotnet6.0-debuginfo-6.0.120-1.el9_0.s390x.rpm dotnet6.0-debugsource-6.0.120-1.el9_0.s390x.rpm netstandard-targeting-pack-2.1-6.0.120-1.el9_0.s390x.rpm x86_64: aspnetcore-runtime-6.0-6.0.20-1.el9_0.x86_64.rpm aspnetcore-targeting-pack-6.0-6.0.20-1.el9_0.x86_64.rpm dotnet-apphost-pack-6.0-6.0.20-1.el9_0.x86_64.rpm dotnet-apphost-pack-6.0-debuginfo-6.0.20-1.el9_0.x86_64.rpm dotnet-host-6.0.20-1.el9_0.x86_64.rpm dotnet-host-debuginfo-6.0.20-1.el9_0.x86_64.rpm dotnet-hostfxr-6.0-6.0.20-1.el9_0.x86_64.rpm dotnet-hostfxr-6.0-debuginfo-6.0.20-1.el9_0.x86_64.rpm dotnet-runtime-6.0-6.0.20-1.el9_0.x86_64.rpm dotnet-runtime-6.0-debuginfo-6.0.20-1.el9_0.x86_64.rpm dotnet-sdk-6.0-6.0.120-1.el9_0.x86_64.rpm dotnet-sdk-6.0-debuginfo-6.0.120-1.el9_0.x86_64.rpm dotnet-targeting-pack-6.0-6.0.20-1.el9_0.x86_64.rpm dotnet-templates-6.0-6.0.120-1.el9_0.x86_64.rpm dotnet6.0-debuginfo-6.0.120-1.el9_0.x86_64.rpm dotnet6.0-debugsource-6.0.120-1.el9_0.x86_64.rpm netstandard-targeting-pack-2.1-6.0.120-1.el9_0.x86_64.rpm Red Hat CodeReady Linux Builder EUS (v.9.0): aarch64: dotnet-apphost-pack-6.0-debuginfo-6.0.20-1.el9_0.aarch64.rpm dotnet-host-debuginfo-6.0.20-1.el9_0.aarch64.rpm dotnet-hostfxr-6.0-debuginfo-6.0.20-1.el9_0.aarch64.rpm dotnet-runtime-6.0-debuginfo-6.0.20-1.el9_0.aarch64.rpm dotnet-sdk-6.0-debuginfo-6.0.120-1.el9_0.aarch64.rpm dotnet-sdk-6.0-source-built-artifacts-6.0.120-1.el9_0.aarch64.rpm dotnet6.0-debuginfo-6.0.120-1.el9_0.aarch64.rpm dotnet6.0-debugsource-6.0.120-1.el9_0.aarch64.rpm s390x: dotnet-apphost-pack-6.0-debuginfo-6.0.20-1.el9_0.s390x.rpm dotnet-host-debuginfo-6.0.20-1.el9_0.s390x.rpm dotnet-hostfxr-6.0-debuginfo-6.0.20-1.el9_0.s390x.rpm dotnet-runtime-6.0-debuginfo-6.0.20-1.el9_0.s390x.rpm dotnet-sdk-6.0-debuginfo-6.0.120-1.el9_0.s390x.rpm dotnet-sdk-6.0-source-built-artifacts-6.0.120-1.el9_0.s390x.rpm dotnet6.0-debuginfo-6.0.120-1.el9_0.s390x.rpm dotnet6.0-debugsource-6.0.120-1.el9_0.s390x.rpm x86_64: dotnet-apphost-pack-6.0-debuginfo-6.0.20-1.el9_0.x86_64.rpm dotnet-host-debuginfo-6.0.20-1.el9_0.x86_64.rpm dotnet-hostfxr-6.0-debuginfo-6.0.20-1.el9_0.x86_64.rpm dotnet-runtime-6.0-debuginfo-6.0.20-1.el9_0.x86_64.rpm dotnet-sdk-6.0-debuginfo-6.0.120-1.el9_0.x86_64.rpm dotnet-sdk-6.0-source-built-artifacts-6.0.120-1.el9_0.x86_64.rpm dotnet6.0-debuginfo-6.0.120-1.el9_0.x86_64.rpm dotnet6.0-debugsource-6.0.120-1.el9_0.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 iQIcBAEBCAAGBQJky2NPAAoJENzjgjWX9erEC4gP/29pwDBFyDcpbivrzjklg1Mp +ydi2Sj2LFUj4JNLepR57r7Mtn72Ot9ch2KXG7ayF9RJmzAWb9MKOMnBuOXMhsi+ klTTIoP4qFcDVdA0+YO/RLYc5ulwkgIG0pXOc/7Ww5wxwxtKxsRF/OLUVX17/xbR SpiZOfV5SzQ6yPghnaT7GKtUY9nQcOltEpaHFo4lZkjSRKeZHI8tBUscmrufGpFo PVv5f7h9svVuWu4i5wDDufk8JaGPSXzdFBYeSCzIg7Tx+L8IvI9gNGaIRYHfsCi1 lH8cxC4QbXcsRMKqyycOgRUU5eDz/xdyxhyYjaI7Ge7xx2M89P7Yll3eLdt4llRk 4odzG2dcRLJU2PRJjVEGjuov6z9fIVjbpGAcDls3HreApB5I/M1kOMs4l+oZP0P/ /dEdkQGhMk4f4v/ZlPrrNtSeRCWBY3FvJXgqsxX0+kpIowT4Y28WZPIdXBychA5X JtVv/JG6yMGGfhhO1k918++/cc1OEA68uHycbfEX881SXkPZbruJvPsEB11qP2d3 RL9Yf2VxRq/PHLhtnM3GH4MNLv9SnTCkIhoDJsHSR6jjIkUdFOzmzbU4kW55XqTk mDjtsJaZW3UQKu12lzBGMfEEOQBfGdIgqF6ZjDV4qZu95YR8I9QGmVmFeRhx8DZA ViiMWiCfbpkszh2l/AUY =9Onb -----END PGP SIGNATURE----- -- RHSA-announce mailing list RHSA-announce@redhat.com https://listman.redhat.com/mailman/listinfo/rhsa-announce