Protect yourself against future threats.
-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2022.2298 .NET 6.0 security, bug fix, and enhancement update 12 May 2022 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: .NET 6.0 Publisher: Red Hat Operating System: Red Hat Resolution: Patch/Upgrade CVE Names: CVE-2022-29145 CVE-2022-29117 CVE-2022-23267 Original Bulletin: https://access.redhat.com/errata/RHSA-2022:2199 Comment: CVSS (Max): 7.5 CVE-2022-29145 (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H) CVSS Source: Red Hat Calculator: https://www.first.org/cvss/calculator/3.1#CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - --------------------------BEGIN INCLUDED TEXT-------------------- - -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ===================================================================== Red Hat Security Advisory Synopsis: Important: .NET 6.0 security, bug fix, and enhancement update Advisory ID: RHSA-2022:2199-01 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2022:2199 Issue date: 2022-05-11 CVE Names: CVE-2022-23267 CVE-2022-29117 CVE-2022-29145 ===================================================================== 1. Summary: An update for .NET 6.0 is now available for Red Hat Enterprise Linux 8. 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 (v. 8) - aarch64, s390x, x86_64 Red Hat Enterprise Linux AppStream (v. 8) - aarch64, s390x, 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 6.0.105 and .NET Core Runtime 6.0.5. Security Fix(es): * dotnet: excess memory allocation via HttpClient causes DoS (CVE-2022-23267) * dotnet: malicious content causes high CPU and memory usage (CVE-2022-29117) * dotnet: parsing HTML causes Denial of Service (CVE-2022-29145) 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/): 2083647 - CVE-2022-29117 dotnet: malicious content causes high CPU and memory usage 2083649 - CVE-2022-29145 dotnet: parsing HTML causes Denial of Service 2083650 - CVE-2022-23267 dotnet: excess memory allocation via HttpClient causes DoS 6. Package List: Red Hat Enterprise Linux AppStream (v. 8): Source: dotnet6.0-6.0.105-1.el8_6.src.rpm aarch64: aspnetcore-runtime-6.0-6.0.5-1.el8_6.aarch64.rpm aspnetcore-targeting-pack-6.0-6.0.5-1.el8_6.aarch64.rpm dotnet-6.0.105-1.el8_6.aarch64.rpm dotnet-apphost-pack-6.0-6.0.5-1.el8_6.aarch64.rpm dotnet-apphost-pack-6.0-debuginfo-6.0.5-1.el8_6.aarch64.rpm dotnet-host-6.0.5-1.el8_6.aarch64.rpm dotnet-host-debuginfo-6.0.5-1.el8_6.aarch64.rpm dotnet-hostfxr-6.0-6.0.5-1.el8_6.aarch64.rpm dotnet-hostfxr-6.0-debuginfo-6.0.5-1.el8_6.aarch64.rpm dotnet-runtime-6.0-6.0.5-1.el8_6.aarch64.rpm dotnet-runtime-6.0-debuginfo-6.0.5-1.el8_6.aarch64.rpm dotnet-sdk-6.0-6.0.105-1.el8_6.aarch64.rpm dotnet-sdk-6.0-debuginfo-6.0.105-1.el8_6.aarch64.rpm dotnet-targeting-pack-6.0-6.0.5-1.el8_6.aarch64.rpm dotnet-templates-6.0-6.0.105-1.el8_6.aarch64.rpm dotnet6.0-debuginfo-6.0.105-1.el8_6.aarch64.rpm dotnet6.0-debugsource-6.0.105-1.el8_6.aarch64.rpm netstandard-targeting-pack-2.1-6.0.105-1.el8_6.aarch64.rpm s390x: aspnetcore-runtime-6.0-6.0.5-1.el8_6.s390x.rpm aspnetcore-targeting-pack-6.0-6.0.5-1.el8_6.s390x.rpm dotnet-6.0.105-1.el8_6.s390x.rpm dotnet-apphost-pack-6.0-6.0.5-1.el8_6.s390x.rpm dotnet-apphost-pack-6.0-debuginfo-6.0.5-1.el8_6.s390x.rpm dotnet-host-6.0.5-1.el8_6.s390x.rpm dotnet-host-debuginfo-6.0.5-1.el8_6.s390x.rpm dotnet-hostfxr-6.0-6.0.5-1.el8_6.s390x.rpm dotnet-hostfxr-6.0-debuginfo-6.0.5-1.el8_6.s390x.rpm dotnet-runtime-6.0-6.0.5-1.el8_6.s390x.rpm dotnet-runtime-6.0-debuginfo-6.0.5-1.el8_6.s390x.rpm dotnet-sdk-6.0-6.0.105-1.el8_6.s390x.rpm dotnet-sdk-6.0-debuginfo-6.0.105-1.el8_6.s390x.rpm dotnet-targeting-pack-6.0-6.0.5-1.el8_6.s390x.rpm dotnet-templates-6.0-6.0.105-1.el8_6.s390x.rpm dotnet6.0-debuginfo-6.0.105-1.el8_6.s390x.rpm dotnet6.0-debugsource-6.0.105-1.el8_6.s390x.rpm netstandard-targeting-pack-2.1-6.0.105-1.el8_6.s390x.rpm x86_64: aspnetcore-runtime-6.0-6.0.5-1.el8_6.x86_64.rpm aspnetcore-targeting-pack-6.0-6.0.5-1.el8_6.x86_64.rpm dotnet-6.0.105-1.el8_6.x86_64.rpm dotnet-apphost-pack-6.0-6.0.5-1.el8_6.x86_64.rpm dotnet-apphost-pack-6.0-debuginfo-6.0.5-1.el8_6.x86_64.rpm dotnet-host-6.0.5-1.el8_6.x86_64.rpm dotnet-host-debuginfo-6.0.5-1.el8_6.x86_64.rpm dotnet-hostfxr-6.0-6.0.5-1.el8_6.x86_64.rpm dotnet-hostfxr-6.0-debuginfo-6.0.5-1.el8_6.x86_64.rpm dotnet-runtime-6.0-6.0.5-1.el8_6.x86_64.rpm dotnet-runtime-6.0-debuginfo-6.0.5-1.el8_6.x86_64.rpm dotnet-sdk-6.0-6.0.105-1.el8_6.x86_64.rpm dotnet-sdk-6.0-debuginfo-6.0.105-1.el8_6.x86_64.rpm dotnet-targeting-pack-6.0-6.0.5-1.el8_6.x86_64.rpm dotnet-templates-6.0-6.0.105-1.el8_6.x86_64.rpm dotnet6.0-debuginfo-6.0.105-1.el8_6.x86_64.rpm dotnet6.0-debugsource-6.0.105-1.el8_6.x86_64.rpm netstandard-targeting-pack-2.1-6.0.105-1.el8_6.x86_64.rpm Red Hat CodeReady Linux Builder (v. 8): aarch64: dotnet-apphost-pack-6.0-debuginfo-6.0.5-1.el8_6.aarch64.rpm dotnet-host-debuginfo-6.0.5-1.el8_6.aarch64.rpm dotnet-hostfxr-6.0-debuginfo-6.0.5-1.el8_6.aarch64.rpm dotnet-runtime-6.0-debuginfo-6.0.5-1.el8_6.aarch64.rpm dotnet-sdk-6.0-debuginfo-6.0.105-1.el8_6.aarch64.rpm dotnet-sdk-6.0-source-built-artifacts-6.0.105-1.el8_6.aarch64.rpm dotnet6.0-debuginfo-6.0.105-1.el8_6.aarch64.rpm dotnet6.0-debugsource-6.0.105-1.el8_6.aarch64.rpm s390x: dotnet-apphost-pack-6.0-debuginfo-6.0.5-1.el8_6.s390x.rpm dotnet-host-debuginfo-6.0.5-1.el8_6.s390x.rpm dotnet-hostfxr-6.0-debuginfo-6.0.5-1.el8_6.s390x.rpm dotnet-runtime-6.0-debuginfo-6.0.5-1.el8_6.s390x.rpm dotnet-sdk-6.0-debuginfo-6.0.105-1.el8_6.s390x.rpm dotnet-sdk-6.0-source-built-artifacts-6.0.105-1.el8_6.s390x.rpm dotnet6.0-debuginfo-6.0.105-1.el8_6.s390x.rpm dotnet6.0-debugsource-6.0.105-1.el8_6.s390x.rpm x86_64: dotnet-apphost-pack-6.0-debuginfo-6.0.5-1.el8_6.x86_64.rpm dotnet-host-debuginfo-6.0.5-1.el8_6.x86_64.rpm dotnet-hostfxr-6.0-debuginfo-6.0.5-1.el8_6.x86_64.rpm dotnet-runtime-6.0-debuginfo-6.0.5-1.el8_6.x86_64.rpm dotnet-sdk-6.0-debuginfo-6.0.105-1.el8_6.x86_64.rpm dotnet-sdk-6.0-source-built-artifacts-6.0.105-1.el8_6.x86_64.rpm dotnet6.0-debuginfo-6.0.105-1.el8_6.x86_64.rpm dotnet6.0-debugsource-6.0.105-1.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-2022-23267 https://access.redhat.com/security/cve/CVE-2022-29117 https://access.redhat.com/security/cve/CVE-2022-29145 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 2022 Red Hat, Inc. - -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIVAwUBYnw2btzjgjWX9erEAQiO/Q/9EDfVGLJ6E75Os4iZ84mphnHDYdEh7t6m aUdv9ACW973+ze8QtvxWRlJTQrSyIbhhVvgYY3MCnRChYPCDRrMf2Fq8siGJEiva 3ybp+Lt/YgxnGy+klrQeB6htaSj+NsvUhcHOxcqwXCOerwNW9DblD/TqrD9Fg7DS IveSztgA/2uZKgj2TAcgy6SFC6QlybVcQhv/DyGk7nZlI/Y1HX7bHdAJcR+1cXVc ox6p2UyV9K+a9HoVcSNIKymxyBoSFiPzZvuNu19lKSIUShwfI90wJhj2x0FxXvkf nmG8SvTSA2agiqZKVbSH/p9obtsPXcVue7lHBfUWXhqG61Su+ptt9SlsLjVN1si8 BMgJ3c2DbevzV8wdzndG1LAF1qZ/E0pgeN2NQ9ybqwQSeBTXRJmTIbZr8eG15SF/ wChv4kqoTEY/tKT6ESU0mhYP7O8aJoOsCWGNohMxCvb0Et1ovqxfXrZNEgZcS+LQ ea0gFbXutFeFugy3q6pwaViEgiJqnx26TbKEIiTAoohmPUX2spwxa6OvGWb2pRPN gtTbQI+ISCcMa7HOlXdboFQCuTSBrIe4c4z9/a8nYplapBrG8Ga8As5rZamo8YYD GZ+yyK1TqnhH2v7UEmOwrPFE6lgLGYBSljGz2Q/ldXVbcnkElEYZ3c8+cv/wX7QZ KwDrWHN07qA= =mTMH - -----END PGP SIGNATURE----- - --------------------------END INCLUDED TEXT-------------------- You have received this e-mail bulletin as a result of your organisation's registration with AusCERT. The mailing list you are subscribed to is maintained within your organisation, so if you do not wish to continue receiving these bulletins you should contact your local IT manager. If you do not know who that is, please send an email to auscert@auscert.org.au and we will forward your request to the appropriate person. NOTE: Third Party Rights This security bulletin is provided as a service to AusCERT's members. As AusCERT did not write the document quoted above, AusCERT has had no control over its content. The decision to follow or act on information or advice contained in this security bulletin is the responsibility of each user or organisation, and should be considered in accordance with your organisation's site policies and procedures. AusCERT takes no responsibility for consequences which may arise from following or acting on information or advice contained in this security bulletin. NOTE: This is only the original release of the security bulletin. It may not be updated when updates to the original are made. If downloading at a later date, it is recommended that the bulletin is retrieved directly from the author's website to ensure that the information is still current. Contact information for the authors of the original document is included in the Security Bulletin above. If you have any questions or need further information, please contact them directly. Previous advisories and external security bulletins can be retrieved from: https://www.auscert.org.au/bulletins/ =========================================================================== Australian Computer Emergency Response Team The University of Queensland Brisbane Qld 4072 Internet Email: auscert@auscert.org.au Facsimile: (07) 3365 7031 Telephone: (07) 3365 4417 (International: +61 7 3365 4417) AusCERT personnel answer during Queensland business hours which are GMT+10:00 (AEST). On call after hours for member emergencies only. =========================================================================== -----BEGIN PGP SIGNATURE----- Comment: https://auscert.org.au/gpg-key/ iQIVAwUBYnxIaskNZI30y1K9AQjBBQ/9GBkCcOjwJUr72rbzCAk7mRWHc8W9Fvl1 naAVHIwWGVfow70q0U50D4ONQ0VuKYVfEUb+7SCAT7QKsvbOH80O4JlZ8SQXrl3B VhkyGv/AUjOmh9ZRTdYtjAx0//smSGDR4CYSysy72+DnKqifSTPEzPlNiT4ea+3C d7zo0EXivt85UGUcGoHhb9Fsf9SseQGsMIzvoYewRZnqxWv0HW/xSxlOFPbLsmOn YvgS8Yih5F7oxmMBlGmhIL2EekBNSa3oSeSmmQc4BZERbhD20jUHpThdNxpeqqnC nUxHdog1Ih4urL/PXLvat6dNYSCIu+3u1T9JdKKlPcGjGekdMNzey+vjYXUTnWK2 /0yeY7JOJOcQsx/oPY6n38VP0/76eays+s31aR3TvYRfxqTtzGLfioFdFHAa+Vi1 7sI6ECtzcMwQo4H/uwog6bPC8NnHWs+SYVSWvTXY7bQGOmEmTOmemZmK26HxW+bF dEaG0psnia33rSV3IOHZ3fHnNlwEByf4Q/Ear4rXlp4fReH5/VQYjnwOaV768hB/ FOlUL8wB3zgGu35a7OApI6+XyzsuoB/itwoMtlqQx0gxeyPrZjBT3kzoMbWj58c6 bg2IlDwZRoQeMxtqRurAoQbvOSGiObmDcw6GSXg1XxCSyGIWvMdtPcY/jCPzs7PP NBwgLOGZ1S4= =9d1n -----END PGP SIGNATURE-----