rhsa-2022_1056
Vulnerability from csaf_redhat
Published
2022-03-24 15:21
Modified
2024-11-06 00:37
Summary
Red Hat Security Advisory: Release of OpenShift Serverless Client kn 1.21.0
Notes
Topic
Release of OpenShift Serverless Client kn 1.21.0
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.
Details
Red Hat OpenShift Serverless Client kn 1.21.0 provides a CLI to interact with Red Hat OpenShift Serverless 1.21.0. The kn CLI is delivered as an RPM package for installation on RHEL platforms, and as binaries for non-Linux platforms.
Security Fix(es):
* golang: syscall: don't close fd 0 on ForkExec error (CVE-2021-44717)
* golang: net/http: limit growth of header canonicalization cache (CVE-2021-44716)
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.
Terms of Use
This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.
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The kn CLI is delivered as an RPM package for installation on RHEL platforms, and as binaries for non-Linux platforms.\n\nSecurity Fix(es):\n\n* golang: syscall: don\u0027t close fd 0 on ForkExec error (CVE-2021-44717)\n\n* golang: net/http: limit growth of header canonicalization cache (CVE-2021-44716)\n\nFor more details about the security issue(s), including the impact, a CVSS\nscore, acknowledgments, and other related information, refer to the CVE page(s)\nlisted in the References section.", "title": "Details" }, { "category": "legal_disclaimer", "text": "This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.", "title": "Terms of Use" } ], "publisher": { "category": "vendor", "contact_details": "https://access.redhat.com/security/team/contact/", "issuing_authority": "Red Hat Product Security is responsible for vulnerability handling across all Red Hat products and services.", "name": "Red Hat Product Security", "namespace": "https://www.redhat.com" }, "references": [ { "category": "self", "summary": "https://access.redhat.com/errata/RHSA-2022:1056", "url": "https://access.redhat.com/errata/RHSA-2022:1056" }, { "category": "external", "summary": "https://access.redhat.com/security/updates/classification/#moderate", "url": "https://access.redhat.com/security/updates/classification/#moderate" }, { "category": "external", "summary": "https://access.redhat.com/documentation/en-us/openshift_container_platform/4.6/html/serverless/index", "url": "https://access.redhat.com/documentation/en-us/openshift_container_platform/4.6/html/serverless/index" }, { "category": "external", "summary": "https://access.redhat.com/documentation/en-us/openshift_container_platform/4.7/html/serverless/index", "url": "https://access.redhat.com/documentation/en-us/openshift_container_platform/4.7/html/serverless/index" }, { "category": "external", "summary": "https://access.redhat.com/documentation/en-us/openshift_container_platform/4.8/html/serverless/index", "url": "https://access.redhat.com/documentation/en-us/openshift_container_platform/4.8/html/serverless/index" }, { "category": "external", "summary": "https://access.redhat.com/documentation/en-us/openshift_container_platform/4.9/html/serverless/index", "url": "https://access.redhat.com/documentation/en-us/openshift_container_platform/4.9/html/serverless/index" }, { "category": "external", "summary": "https://access.redhat.com/documentation/en-us/openshift_container_platform/4.10/html/serverless/index", "url": "https://access.redhat.com/documentation/en-us/openshift_container_platform/4.10/html/serverless/index" }, { "category": "external", "summary": "2030801", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2030801" }, { "category": "external", "summary": "2030806", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2030806" }, { "category": "external", "summary": "2054716", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2054716" }, { "category": "self", "summary": "Canonical URL", "url": "https://security.access.redhat.com/data/csaf/v2/advisories/2022/rhsa-2022_1056.json" } ], "title": "Red Hat Security Advisory: Release of OpenShift Serverless Client kn 1.21.0", "tracking": { "current_release_date": "2024-11-06T00:37:05+00:00", "generator": { "date": "2024-11-06T00:37:05+00:00", "engine": { "name": "Red Hat SDEngine", "version": "4.1.1" } }, "id": "RHSA-2022:1056", "initial_release_date": "2022-03-24T15:21:33+00:00", "revision_history": [ { "date": "2022-03-24T15:21:33+00:00", "number": "1", "summary": "Initial version" }, { "date": "2022-03-24T15:21:33+00:00", "number": "2", "summary": "Last updated version" }, { "date": "2024-11-06T00:37:05+00:00", "number": "3", "summary": "Last generated version" } ], "status": "final", "version": "3" } }, "product_tree": { "branches": [ { "branches": [ { "branches": [ { "category": "product_name", "name": "Red Hat OpenShift Serverless 1.0", "product": { "name": "Red Hat OpenShift Serverless 1.0", "product_id": "8Base-Openshift-Serverless-1", "product_identification_helper": { "cpe": "cpe:/a:redhat:serverless:1.0::el8" } } } ], "category": "product_family", "name": "Red Hat OpenShift Serverless" }, { "branches": [ { "category": "product_version", "name": "openshift-serverless-clients-0:1.0.0-2.el8.src", "product": { "name": "openshift-serverless-clients-0:1.0.0-2.el8.src", "product_id": "openshift-serverless-clients-0:1.0.0-2.el8.src", "product_identification_helper": { "purl": "pkg:rpm/redhat/openshift-serverless-clients@1.0.0-2.el8?arch=src" } } } ], "category": "architecture", "name": "src" }, { "branches": [ { "category": "product_version", "name": "openshift-serverless-clients-0:1.0.0-2.el8.x86_64", "product": { "name": "openshift-serverless-clients-0:1.0.0-2.el8.x86_64", "product_id": "openshift-serverless-clients-0:1.0.0-2.el8.x86_64", "product_identification_helper": { "purl": "pkg:rpm/redhat/openshift-serverless-clients@1.0.0-2.el8?arch=x86_64" } } } ], "category": "architecture", "name": "x86_64" }, { "branches": [ { "category": "product_version", "name": "openshift-serverless-clients-0:1.0.0-2.el8.ppc64le", "product": { "name": "openshift-serverless-clients-0:1.0.0-2.el8.ppc64le", "product_id": "openshift-serverless-clients-0:1.0.0-2.el8.ppc64le", "product_identification_helper": { "purl": "pkg:rpm/redhat/openshift-serverless-clients@1.0.0-2.el8?arch=ppc64le" } } } ], "category": "architecture", "name": "ppc64le" }, { "branches": [ { "category": "product_version", "name": "openshift-serverless-clients-0:1.0.0-2.el8.s390x", "product": { "name": "openshift-serverless-clients-0:1.0.0-2.el8.s390x", "product_id": "openshift-serverless-clients-0:1.0.0-2.el8.s390x", "product_identification_helper": { "purl": "pkg:rpm/redhat/openshift-serverless-clients@1.0.0-2.el8?arch=s390x" } } } ], "category": "architecture", "name": "s390x" } ], "category": "vendor", "name": "Red Hat" } ], "relationships": [ { "category": "default_component_of", "full_product_name": { "name": "openshift-serverless-clients-0:1.0.0-2.el8.ppc64le as a component of Red Hat OpenShift Serverless 1.0", "product_id": "8Base-Openshift-Serverless-1:openshift-serverless-clients-0:1.0.0-2.el8.ppc64le" }, "product_reference": "openshift-serverless-clients-0:1.0.0-2.el8.ppc64le", "relates_to_product_reference": "8Base-Openshift-Serverless-1" }, { "category": "default_component_of", "full_product_name": { "name": "openshift-serverless-clients-0:1.0.0-2.el8.s390x as a component of Red Hat OpenShift Serverless 1.0", "product_id": "8Base-Openshift-Serverless-1:openshift-serverless-clients-0:1.0.0-2.el8.s390x" }, "product_reference": "openshift-serverless-clients-0:1.0.0-2.el8.s390x", "relates_to_product_reference": "8Base-Openshift-Serverless-1" }, { "category": "default_component_of", "full_product_name": { "name": "openshift-serverless-clients-0:1.0.0-2.el8.src as a component of Red Hat OpenShift Serverless 1.0", "product_id": "8Base-Openshift-Serverless-1:openshift-serverless-clients-0:1.0.0-2.el8.src" }, "product_reference": "openshift-serverless-clients-0:1.0.0-2.el8.src", "relates_to_product_reference": "8Base-Openshift-Serverless-1" }, { "category": "default_component_of", "full_product_name": { "name": "openshift-serverless-clients-0:1.0.0-2.el8.x86_64 as a component of Red Hat OpenShift Serverless 1.0", "product_id": "8Base-Openshift-Serverless-1:openshift-serverless-clients-0:1.0.0-2.el8.x86_64" }, "product_reference": "openshift-serverless-clients-0:1.0.0-2.el8.x86_64", "relates_to_product_reference": "8Base-Openshift-Serverless-1" } ] }, "vulnerabilities": [ { "cve": "CVE-2021-44716", "cwe": { "id": "CWE-400", "name": "Uncontrolled Resource Consumption" }, "discovery_date": "2021-12-09T00:00:00+00:00", "ids": [ { "system_name": "Red Hat Bugzilla ID", "text": "2030801" } ], "notes": [ { "category": "description", "text": "There\u0027s an uncontrolled resource consumption flaw in golang\u0027s net/http library in the canonicalHeader() function. An attacker who submits specially crafted requests to applications linked with net/http\u0027s http2 functionality could cause excessive resource consumption that could lead to a denial of service or otherwise impact to system performance and resources.", "title": "Vulnerability description" }, { "category": "summary", "text": "golang: net/http: limit growth of header canonicalization cache", "title": "Vulnerability summary" }, { "category": "other", "text": "For OpenShift Container Platform, OpenShift Virtualization, Red Hat Quay and OpenShift distributed tracing the most an attacker can possibly achieve by exploiting this vulnerability is to crash a container, temporarily impacting availability of one or more services. Therefore impact is rated Moderate.\n\nIn its default configuration, grafana as shipped in Red Hat Enterprise Linux 8 is not affected by this vulnerability. However, enabling http2 in /etc/grafana/grafana.ini explicitly would render grafana affected, therefore grafana has been marked affected.", "title": "Statement" }, { "category": "general", "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.", "title": "CVSS score applicability" } ], "product_status": { "fixed": [ "8Base-Openshift-Serverless-1:openshift-serverless-clients-0:1.0.0-2.el8.ppc64le", "8Base-Openshift-Serverless-1:openshift-serverless-clients-0:1.0.0-2.el8.s390x", "8Base-Openshift-Serverless-1:openshift-serverless-clients-0:1.0.0-2.el8.src", "8Base-Openshift-Serverless-1:openshift-serverless-clients-0:1.0.0-2.el8.x86_64" ] }, "references": [ { "category": "self", "summary": "Canonical URL", "url": "https://access.redhat.com/security/cve/CVE-2021-44716" }, { "category": "external", "summary": "RHBZ#2030801", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2030801" }, { "category": "external", "summary": "https://www.cve.org/CVERecord?id=CVE-2021-44716", "url": "https://www.cve.org/CVERecord?id=CVE-2021-44716" }, { "category": "external", "summary": "https://nvd.nist.gov/vuln/detail/CVE-2021-44716", "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-44716" }, { "category": "external", "summary": "https://groups.google.com/g/golang-announce/c/hcmEScgc00k", "url": "https://groups.google.com/g/golang-announce/c/hcmEScgc00k" } ], "release_date": "2021-12-09T00:00:00+00:00", "remediations": [ { "category": "vendor_fix", "date": "2022-03-24T15:21:33+00:00", "details": "See the Red Hat OpenShift Container Platform 4.6 documentation at:\nhttps://access.redhat.com/documentation/en-us/openshift_container_platform/4.6/html/serverless/index\nSee the Red Hat OpenShift Container Platform 4.7 documentation at:\nhttps://access.redhat.com/documentation/en-us/openshift_container_platform/4.7/html/serverless/index\nSee the Red Hat OpenShift Container Platform 4.8 documentation at:\nhttps://access.redhat.com/documentation/en-us/openshift_container_platform/4.8/html/serverless/index\nSee the Red Hat OpenShift Container Platform 4.9 documentation at:\nhttps://access.redhat.com/documentation/en-us/openshift_container_platform/4.9/html/serverless/index\nSee the Red Hat OpenShift Container Platform 4.10 documentation at:\nhttps://access.redhat.com/documentation/en-us/openshift_container_platform/4.10/html/serverless/index", "product_ids": [ "8Base-Openshift-Serverless-1:openshift-serverless-clients-0:1.0.0-2.el8.ppc64le", "8Base-Openshift-Serverless-1:openshift-serverless-clients-0:1.0.0-2.el8.s390x", "8Base-Openshift-Serverless-1:openshift-serverless-clients-0:1.0.0-2.el8.src", "8Base-Openshift-Serverless-1:openshift-serverless-clients-0:1.0.0-2.el8.x86_64" ], "restart_required": { "category": "none" }, "url": "https://access.redhat.com/errata/RHSA-2022:1056" }, { "category": "workaround", "details": "This flaw can be mitigated by disabling HTTP/2. Setting the GODEBUG=http2server=0 environment variable before calling Serve will disable HTTP/2 unless it was manually configured through the golang.org/x/net/http2 package.", "product_ids": [ "8Base-Openshift-Serverless-1:openshift-serverless-clients-0:1.0.0-2.el8.ppc64le", "8Base-Openshift-Serverless-1:openshift-serverless-clients-0:1.0.0-2.el8.s390x", "8Base-Openshift-Serverless-1:openshift-serverless-clients-0:1.0.0-2.el8.src", "8Base-Openshift-Serverless-1:openshift-serverless-clients-0:1.0.0-2.el8.x86_64" ] } ], "scores": [ { "cvss_v3": { "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1" }, "products": [ "8Base-Openshift-Serverless-1:openshift-serverless-clients-0:1.0.0-2.el8.ppc64le", "8Base-Openshift-Serverless-1:openshift-serverless-clients-0:1.0.0-2.el8.s390x", "8Base-Openshift-Serverless-1:openshift-serverless-clients-0:1.0.0-2.el8.src", "8Base-Openshift-Serverless-1:openshift-serverless-clients-0:1.0.0-2.el8.x86_64" ] } ], "threats": [ { "category": "impact", "details": "Moderate" } ], "title": "golang: net/http: limit growth of header canonicalization cache" }, { "cve": "CVE-2021-44717", "cwe": { "id": "CWE-200", "name": "Exposure of Sensitive Information to an Unauthorized Actor" }, "discovery_date": "2021-12-09T00:00:00+00:00", "ids": [ { "system_name": "Red Hat Bugzilla ID", "text": "2030806" } ], "notes": [ { "category": "description", "text": "There\u0027s a flaw in golang\u0027s syscall.ForkExec() interface. An attacker who manages to first cause a file descriptor exhaustion for the process, then cause syscall.ForkExec() to be called repeatedly, could compromise data integrity and/or confidentiality in a somewhat uncontrolled way in programs linked with and using syscall.ForkExec().", "title": "Vulnerability description" }, { "category": "summary", "text": "golang: syscall: don\u0027t close fd 0 on ForkExec error", "title": "Vulnerability summary" }, { "category": "other", "text": "* This flaw has had the severity level set to Moderate due to the attack complexity required to exhaust file descriptors at the time ForkExec is called, plus an attacker does not necessarily have direct control over where/how data is leaked.\n\n* For Service Telemetry Framework, because the flaw\u0027s impact is lower, no update will be provided at this time for its containers.\n\n* runc shipped with Red Hat Enterprise Linux 8 and 9 are not affected by this flaw because the flaw is already patched in the shipped versions.", "title": "Statement" }, { "category": "general", "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.", "title": "CVSS score applicability" } ], "product_status": { "fixed": [ "8Base-Openshift-Serverless-1:openshift-serverless-clients-0:1.0.0-2.el8.ppc64le", "8Base-Openshift-Serverless-1:openshift-serverless-clients-0:1.0.0-2.el8.s390x", "8Base-Openshift-Serverless-1:openshift-serverless-clients-0:1.0.0-2.el8.src", "8Base-Openshift-Serverless-1:openshift-serverless-clients-0:1.0.0-2.el8.x86_64" ] }, "references": [ { "category": "self", "summary": "Canonical URL", "url": "https://access.redhat.com/security/cve/CVE-2021-44717" }, { "category": "external", "summary": "RHBZ#2030806", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2030806" }, { "category": "external", "summary": "https://www.cve.org/CVERecord?id=CVE-2021-44717", "url": "https://www.cve.org/CVERecord?id=CVE-2021-44717" }, { "category": "external", "summary": "https://nvd.nist.gov/vuln/detail/CVE-2021-44717", "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-44717" }, { "category": "external", "summary": "https://groups.google.com/g/golang-announce/c/hcmEScgc00k", "url": "https://groups.google.com/g/golang-announce/c/hcmEScgc00k" } ], "release_date": "2021-12-09T00:00:00+00:00", "remediations": [ { "category": "vendor_fix", "date": "2022-03-24T15:21:33+00:00", "details": "See the Red Hat OpenShift Container Platform 4.6 documentation at:\nhttps://access.redhat.com/documentation/en-us/openshift_container_platform/4.6/html/serverless/index\nSee the Red Hat OpenShift Container Platform 4.7 documentation at:\nhttps://access.redhat.com/documentation/en-us/openshift_container_platform/4.7/html/serverless/index\nSee the Red Hat OpenShift Container Platform 4.8 documentation at:\nhttps://access.redhat.com/documentation/en-us/openshift_container_platform/4.8/html/serverless/index\nSee the Red Hat OpenShift Container Platform 4.9 documentation at:\nhttps://access.redhat.com/documentation/en-us/openshift_container_platform/4.9/html/serverless/index\nSee the Red Hat OpenShift Container Platform 4.10 documentation at:\nhttps://access.redhat.com/documentation/en-us/openshift_container_platform/4.10/html/serverless/index", "product_ids": [ "8Base-Openshift-Serverless-1:openshift-serverless-clients-0:1.0.0-2.el8.ppc64le", "8Base-Openshift-Serverless-1:openshift-serverless-clients-0:1.0.0-2.el8.s390x", "8Base-Openshift-Serverless-1:openshift-serverless-clients-0:1.0.0-2.el8.src", "8Base-Openshift-Serverless-1:openshift-serverless-clients-0:1.0.0-2.el8.x86_64" ], "restart_required": { "category": "none" }, "url": "https://access.redhat.com/errata/RHSA-2022:1056" }, { "category": "workaround", "details": "This bug can be mitigated by raising the per-process file descriptor limit.", "product_ids": [ "8Base-Openshift-Serverless-1:openshift-serverless-clients-0:1.0.0-2.el8.ppc64le", "8Base-Openshift-Serverless-1:openshift-serverless-clients-0:1.0.0-2.el8.s390x", "8Base-Openshift-Serverless-1:openshift-serverless-clients-0:1.0.0-2.el8.src", "8Base-Openshift-Serverless-1:openshift-serverless-clients-0:1.0.0-2.el8.x86_64" ] } ], "scores": [ { "cvss_v3": { "attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 4.8, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N", "version": "3.1" }, "products": [ "8Base-Openshift-Serverless-1:openshift-serverless-clients-0:1.0.0-2.el8.ppc64le", "8Base-Openshift-Serverless-1:openshift-serverless-clients-0:1.0.0-2.el8.s390x", "8Base-Openshift-Serverless-1:openshift-serverless-clients-0:1.0.0-2.el8.src", "8Base-Openshift-Serverless-1:openshift-serverless-clients-0:1.0.0-2.el8.x86_64" ] } ], "threats": [ { "category": "impact", "details": "Moderate" } ], "title": "golang: syscall: don\u0027t close fd 0 on ForkExec error" } ] }
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- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.