ID

VAR-202103-1554

CVE

CVE-2021-21409

TITLE

Netty Environmental problem loophole

DESCRIPTION

Netty is an open-source, asynchronous event-driven network application framework for rapid development of maintainable high performance protocol servers & clients. In Netty (io.netty:netty-codec-http2) before version 4.1.61.Final there is a vulnerability that enables request smuggling. The content-length header is not correctly validated if the request only uses a single Http2HeaderFrame with the endStream set to to true. This could lead to request smuggling if the request is proxied to a remote peer and translated to HTTP/1.1. This is a followup of GHSA-wm47-8v5p-wjpj/CVE-2021-21295 which did miss to fix this one case. This was fixed as part of 4.1.61.Final. Solution: For OpenShift Container Platform 4.9 see the following documentation, which will be updated shortly for this release, for important instructions on how to upgrade your cluster and fully apply this errata update: https://docs.openshift.com/container-platform/4.9/release_notes/ocp-4-9-release-notes.html For Red Hat OpenShift Logging 5.3, see the following instructions to apply this update: https://docs.openshift.com/container-platform/4.9/logging/cluster-logging-upgrading.html 4. Bugs fixed (https://bugzilla.redhat.com/): 1944888 - CVE-2021-21409 netty: Request smuggling via content-length header 2004133 - CVE-2021-37136 netty-codec: Bzip2Decoder doesn't allow setting size restrictions for decompressed data 2004135 - CVE-2021-37137 netty-codec: SnappyFrameDecoder doesn't restrict chunk length and may buffer skippable chunks in an unnecessary way 2030932 - CVE-2021-44228 log4j-core: Remote code execution in Log4j 2.x when logs contain an attacker-controlled string value 5. JIRA issues fixed (https://issues.jboss.org/): LOG-1897 - Applying cluster state is causing elasticsearch to hit an issue and become unusable LOG-1925 - [release-5.3] No datapoint for CPU on openshift-logging dashboard LOG-1962 - [release-5.3] CLO panic: runtime error: slice bounds out of range [:-1] 6. Description: Red Hat AMQ Streams, based on the Apache Kafka project, offers a distributed backbone that allows microservices and other applications to share data with extremely high throughput and extremely low latency. Description: Red Hat Single Sign-On 7.4 is a standalone server, based on the Keycloak project, that provides authentication and standards-based single sign-on capabilities for web and mobile applications. Description: Red Hat Data Grid is a distributed, in-memory data store. Solution: Refer to the Data Grid 8.2 Upgrade Guide for instructions on upgrading to this version. -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 ==================================================================== Red Hat Security Advisory Synopsis: Moderate: AMQ Clients 2.9.1 release and security update Advisory ID: RHSA-2021:1511-01 Product: Red Hat AMQ Clients Advisory URL: https://access.redhat.com/errata/RHSA-2021:1511 Issue date: 2021-05-06 CVE Names: CVE-2021-21290 CVE-2021-21295 CVE-2021-21409 ==================================================================== 1. Summary: An update is now available for Red Hat AMQ Clients 2.9.1. 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. 2. Relevant releases/architectures: 7Client-AMQ-Clients-2 - noarch, x86_64 7ComputeNode-AMQ-Clients-2 - noarch, x86_64 7Server-AMQ-Clients-2 - noarch, x86_64 7Workstation-AMQ-Clients-2 - noarch, x86_64 8Base-AMQ-Clients-2 - noarch, x86_64 3. Description: Red Hat AMQ Clients enable connecting, sending, and receiving messages over the AMQP 1.0 wire transport protocol to or from AMQ Broker 6 and 7. This update provides various bug fixes and enhancements in addition to the client package versions previously released on Red Hat Enterprise Linux 7 and 8. Security Fix(es): * netty: Information disclosure via the local system temporary directory (CVE-2021-21290) * netty: possible request smuggling in HTTP/2 due missing validation (CVE-2021-21295) * netty: Request smuggling via content-length header (CVE-2021-21409) 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: 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. Package List: 7Client-AMQ-Clients-2: Source: qpid-proton-0.33.0-6.el7_9.src.rpm noarch: python-qpid-proton-docs-0.33.0-6.el7_9.noarch.rpm qpid-proton-c-docs-0.33.0-6.el7_9.noarch.rpm qpid-proton-cpp-docs-0.33.0-6.el7_9.noarch.rpm qpid-proton-tests-0.33.0-6.el7_9.noarch.rpm x86_64: python-qpid-proton-0.33.0-6.el7_9.x86_64.rpm qpid-proton-c-0.33.0-6.el7_9.x86_64.rpm qpid-proton-c-devel-0.33.0-6.el7_9.x86_64.rpm qpid-proton-cpp-0.33.0-6.el7_9.x86_64.rpm qpid-proton-cpp-devel-0.33.0-6.el7_9.x86_64.rpm qpid-proton-debuginfo-0.33.0-6.el7_9.x86_64.rpm rubygem-qpid_proton-0.33.0-6.el7_9.x86_64.rpm 7ComputeNode-AMQ-Clients-2: Source: qpid-proton-0.33.0-6.el7_9.src.rpm noarch: python-qpid-proton-docs-0.33.0-6.el7_9.noarch.rpm qpid-proton-c-docs-0.33.0-6.el7_9.noarch.rpm qpid-proton-cpp-docs-0.33.0-6.el7_9.noarch.rpm qpid-proton-tests-0.33.0-6.el7_9.noarch.rpm x86_64: python-qpid-proton-0.33.0-6.el7_9.x86_64.rpm qpid-proton-c-0.33.0-6.el7_9.x86_64.rpm qpid-proton-c-devel-0.33.0-6.el7_9.x86_64.rpm qpid-proton-cpp-0.33.0-6.el7_9.x86_64.rpm qpid-proton-cpp-devel-0.33.0-6.el7_9.x86_64.rpm qpid-proton-debuginfo-0.33.0-6.el7_9.x86_64.rpm rubygem-qpid_proton-0.33.0-6.el7_9.x86_64.rpm 7Server-AMQ-Clients-2: Source: qpid-proton-0.33.0-6.el7_9.src.rpm noarch: python-qpid-proton-docs-0.33.0-6.el7_9.noarch.rpm qpid-proton-c-docs-0.33.0-6.el7_9.noarch.rpm qpid-proton-cpp-docs-0.33.0-6.el7_9.noarch.rpm qpid-proton-tests-0.33.0-6.el7_9.noarch.rpm x86_64: python-qpid-proton-0.33.0-6.el7_9.x86_64.rpm qpid-proton-c-0.33.0-6.el7_9.x86_64.rpm qpid-proton-c-devel-0.33.0-6.el7_9.x86_64.rpm qpid-proton-cpp-0.33.0-6.el7_9.x86_64.rpm qpid-proton-cpp-devel-0.33.0-6.el7_9.x86_64.rpm qpid-proton-debuginfo-0.33.0-6.el7_9.x86_64.rpm rubygem-qpid_proton-0.33.0-6.el7_9.x86_64.rpm 7Workstation-AMQ-Clients-2: Source: qpid-proton-0.33.0-6.el7_9.src.rpm noarch: python-qpid-proton-docs-0.33.0-6.el7_9.noarch.rpm qpid-proton-c-docs-0.33.0-6.el7_9.noarch.rpm qpid-proton-cpp-docs-0.33.0-6.el7_9.noarch.rpm qpid-proton-tests-0.33.0-6.el7_9.noarch.rpm x86_64: python-qpid-proton-0.33.0-6.el7_9.x86_64.rpm qpid-proton-c-0.33.0-6.el7_9.x86_64.rpm qpid-proton-c-devel-0.33.0-6.el7_9.x86_64.rpm qpid-proton-cpp-0.33.0-6.el7_9.x86_64.rpm qpid-proton-cpp-devel-0.33.0-6.el7_9.x86_64.rpm qpid-proton-debuginfo-0.33.0-6.el7_9.x86_64.rpm rubygem-qpid_proton-0.33.0-6.el7_9.x86_64.rpm 8Base-AMQ-Clients-2: Source: qpid-proton-0.33.0-8.el8.src.rpm noarch: python-qpid-proton-docs-0.33.0-8.el8.noarch.rpm qpid-proton-c-docs-0.33.0-8.el8.noarch.rpm qpid-proton-cpp-docs-0.33.0-8.el8.noarch.rpm qpid-proton-tests-0.33.0-8.el8.noarch.rpm x86_64: python3-qpid-proton-0.33.0-8.el8.x86_64.rpm python3-qpid-proton-debuginfo-0.33.0-8.el8.x86_64.rpm qpid-proton-c-0.33.0-8.el8.x86_64.rpm qpid-proton-c-debuginfo-0.33.0-8.el8.x86_64.rpm qpid-proton-c-devel-0.33.0-8.el8.x86_64.rpm qpid-proton-cpp-0.33.0-8.el8.x86_64.rpm qpid-proton-cpp-debuginfo-0.33.0-8.el8.x86_64.rpm qpid-proton-cpp-devel-0.33.0-8.el8.x86_64.rpm qpid-proton-debuginfo-0.33.0-8.el8.x86_64.rpm qpid-proton-debugsource-0.33.0-8.el8.x86_64.rpm rubygem-qpid_proton-0.33.0-8.el8.x86_64.rpm rubygem-qpid_proton-debuginfo-0.33.0-8.el8.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/ 8. References: https://access.redhat.com/security/cve/CVE-2021-21290 https://access.redhat.com/security/cve/CVE-2021-21295 https://access.redhat.com/security/cve/CVE-2021-21409 https://access.redhat.com/security/updates/classification/#moderate https://access.redhat.com/documentation/en-us/red_hat_amq/ 9. Contact: The Red Hat security contact is <secalert@redhat.com>. More contact details at https://access.redhat.com/security/team/contact/ Copyright 2021 Red Hat, Inc. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIVAwUBYJOfftzjgjWX9erEAQj+2g/+JFftwDGLiEj+Svg0TbMD8ZsrA/xaXtw7 uYVdRIGBGQQPG8VGYVmbOVBFWBsZlF6+6v05975AJqCZcoPn6oJZBQabsEOTIyj6 Q2AzW8cfx7M8TjV27O+woPB1wMMo+PhsJHgSOTnXiZWT10geQKLGWZ81dLn37rT/ s85Vr5ANqtQxaw3Uv8B5rgAybdEJEQ8m7E9zRJtlAeo+qTFugJT0c11Jxt6t+2vl gWl1+mbO0pwuovGCFS2smB1G9TMF4/dOIX15qlgV98EK30fLVkGth/sCfjtMJDwz 8xoy+LaxIHBxH1sqfUVF8I1u/ngPhinlby31GI9jM3Qkuqjklo7I9+vYzxik0lBt 5fcsMxB3HjTWyuMx+7KssdPcvKFBIXbHtf9wuVIfiRR/Vuk35f5fwPvjNrhaOmNW TjM8cfu/ioWREh1qHUr3Bq9Nv0k/yh4m2xA9/P7bDIXvZrRWbVTsP301r8x1VbQw w6IohuS3wi1TM7vU5MZQv/BxAql1n1f66k1++nofq5D8/DLAAkHNHHNpr4O4rKTj PT7KxahxRACP1EiwGyHdcvHLWJQgJ/vwqFWCCFlmOoi8dGDBdXqNfESNpCn8+kII 3OQF2n5g8lxgMKDpUuaAU/aYybm9CcUW8Ncw+vYBlJn/gK2FPSKm606Pd5KqQXmC egK9mWwN/dY=JIov -----END PGP SIGNATURE----- -- RHSA-announce mailing list RHSA-announce@redhat.com https://listman.redhat.com/mailman/listinfo/rhsa-announce . Description: AMQ Broker is a high-performance messaging implementation based on ActiveMQ Artemis. It uses an asynchronous journal for fast message persistence, and supports multiple languages, protocols, and platforms. For further information, refer to the release notes linked to in the References section. Solution: Before applying the update, back up your existing installation, including all applications, configuration files, databases and database settings, and so on. The References section of this erratum contains a download link (you must log in to download the update). Bugs fixed (https://bugzilla.redhat.com/): 1886587 - CVE-2020-13956 apache-httpclient: incorrect handling of malformed authority component in request URIs 1927028 - CVE-2021-21290 netty: Information disclosure via the local system temporary directory 1934116 - CVE-2020-27223 jetty: request containing multiple Accept headers with a large number of "quality" parameters may lead to DoS 1935927 - CVE-2021-20289 resteasy: Error message exposes endpoint class information 1936629 - CVE-2021-3425 Red Hat AMQ Broker: discloses JDBC username and password in the application log file 1937364 - CVE-2021-21295 netty: possible request smuggling in HTTP/2 due missing validation 1944888 - CVE-2021-21409 netty: Request smuggling via content-length header 1945710 - CVE-2021-28163 jetty: Symlink directory exposes webapp directory contents 1945712 - CVE-2021-28164 jetty: Ambiguous paths can access WEB-INF 1945714 - CVE-2021-28165 jetty: Resource exhaustion when receiving an invalid large TLS frame 1948752 - CVE-2021-29425 apache-commons-io: Limited path traversal in Apache Commons IO 2.2 to 2.6 1971016 - CVE-2021-28169 jetty: requests to the ConcatServlet and WelcomeFilter are able to access protected resources within the WEB-INF directory 1974891 - CVE-2021-34428 jetty: SessionListener can prevent a session from being invalidated breaking logout 1985223 - CVE-2021-34429 jetty: crafted URIs allow bypassing security constraints 2000654 - CVE-2021-3763 AMQ Broker 7: Incorrect privilege in Management Console 5

AFFECTED PRODUCTS

CVSS

PROBLEMTYPE DATA

THREAT TYPE

remote

TYPE

environmental issue

PATCH

EXTERNAL IDS

REFERENCES

CREDITS

Red Hat

SOURCES

LAST UPDATE DATE

2026-07-30T18:50:36.663000+00:00

SOURCES UPDATE DATE

SOURCES RELEASE DATE