csaf_redhat - rhsa-2021

rhsa-2021_2704

Vulnerability from csaf_redhat

Published

2021-07-13 16:56

Modified

2024-09-18 04:18

Summary

Red Hat Security Advisory: Release of OpenShift Serverless Client kn 1.16.0

Notes

Topic

Release of OpenShift Serverless Client kn 1.16.0 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 1.16.0 provides a CLI to interact with Red Hat OpenShift Serverless 1.16.0. 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: encoding/xml: infinite loop when using xml.NewTokenDecoder with a custom TokenReader (CVE-2021-27918) * golang: net/http: panic in ReadRequest and ReadResponse when reading a very large header (CVE-2021-31525) * golang: archive/zip: malformed archive may cause panic or memory exhaustion (CVE-2021-33196) 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.

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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{
  "document": {
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      "text": "Moderate"
    },
    "category": "csaf_vex",
    "csaf_version": "2.0",
    "distribution": {
      "text": "Copyright \u00a9 Red Hat, Inc. All rights reserved.",
      "tlp": {
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    "lang": "en",
    "notes": [
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        "category": "summary",
        "text": "Release of OpenShift Serverless Client kn 1.16.0\n\nRed 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.",
        "title": "Topic"
      },
      {
        "category": "general",
        "text": "Red Hat OpenShift Serverless Client kn 1.16.0 provides a CLI to interact with Red Hat OpenShift Serverless 1.16.0. 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: encoding/xml: infinite loop when using xml.NewTokenDecoder with a custom TokenReader (CVE-2021-27918)\n\n* golang: net/http: panic in ReadRequest and ReadResponse when reading a very large header (CVE-2021-31525)\n\n* golang: archive/zip: malformed archive may cause panic or memory exhaustion (CVE-2021-33196)\n\nFor 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.",
        "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"
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        "url": "https://access.redhat.com/security/data/csaf/v2/advisories/2021/rhsa-2021_2704.json"
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    ],
    "title": "Red Hat Security Advisory: Release of OpenShift Serverless Client kn 1.16.0",
    "tracking": {
      "current_release_date": "2024-09-18T04:18:52+00:00",
      "generator": {
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      "initial_release_date": "2021-07-13T16:56:14+00:00",
      "revision_history": [
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      "cwe": {
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        "name": "Loop with Unreachable Exit Condition (\u0027Infinite Loop\u0027)"
      },
      "discovery_date": "2021-03-10T00:00:00+00:00",
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "1937901"
        }
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          "category": "description",
          "text": "An infinite loop vulnerability was found in golang. If an application defines a custom token parser initializing with `xml.NewTokenDecoder` it is possible for the parsing loop to never return. An attacker could potentially craft a malicious XML document which has an XML element with `EOF` within it, causing the parsing application to endlessly loop, resulting in a Denial of Service (DoS).",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "golang: encoding/xml: infinite loop when using xml.NewTokenDecoder with a custom TokenReader",
          "title": "Vulnerability summary"
        },
        {
          "category": "other",
          "text": "OpenShift Container Platform (OCP), OpenShift ServiceMesh (OSSM),  Red Hat OpenShift Jaeger (RHOSJ) and OpenShift Virtualization all bundle vulnerable versions of the golang standard library (stdlib). However, no component within each product utilizes the function xml.NewTokenDecoder which is a requirement to be vulnerable. Hence, all affected components are marked as \"Will not fix\". Additionally no OCP container has been listed, as nearly all available containers are compiled with an affected version of Go, but do not utilize the function xml.NewTokenDecoder.\n\nRed Hat Ceph Storage (RHCS), Red Hat Gluster Storage 3 and OpenShift Container Storage 4 also bundles a vulnerable version of golang standard library \u0027encoding/xml\u0027, but does not utilize the function xml.NewTokenDecoder, and hence this issue has been rated as having a security impact of Low.",
          "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": {
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          "8Base-Openshift-Serverless-1:openshift-serverless-clients-0:0.22.0-3.el8.s390x",
          "8Base-Openshift-Serverless-1:openshift-serverless-clients-0:0.22.0-3.el8.src",
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      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2021-27918"
        },
        {
          "category": "external",
          "summary": "RHBZ#1937901",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1937901"
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        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2021-27918",
          "url": "https://www.cve.org/CVERecord?id=CVE-2021-27918"
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          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2021-27918",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-27918"
        },
        {
          "category": "external",
          "summary": "https://groups.google.com/g/golang-announce/c/MfiLYjG-RAw",
          "url": "https://groups.google.com/g/golang-announce/c/MfiLYjG-RAw"
        }
      ],
      "release_date": "2021-03-10T00:00:00+00:00",
      "remediations": [
        {
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          "details": "See the Red Hat OpenShift Container Platform 4.6 documentation at: https://access.redhat.com/documentation/en-us/openshift_container_platform/4.6/html/serverless_applications/index\n\nSee the Red Hat OpenShift Container Platform 4.7 documentation at: https://access.redhat.com/documentation/en-us/openshift_container_platform/4.7/html/serverless/index",
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      "scores": [
        {
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            "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",
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          "details": "Moderate"
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      "title": "golang: encoding/xml: infinite loop when using xml.NewTokenDecoder with a custom TokenReader"
    },
    {
      "cve": "CVE-2021-31525",
      "cwe": {
        "id": "CWE-120",
        "name": "Buffer Copy without Checking Size of Input (\u0027Classic Buffer Overflow\u0027)"
      },
      "discovery_date": "2021-05-06T00:00:00+00:00",
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "1958341"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "A vulnerability was detected in net/http of the Go standard library when parsing very large HTTP header values, causing a crash and subsequent denial of service. This vulnerability affects both clients and servers written in Go, however, servers are only vulnerable if the value of MaxHeaderBytes has been increased from the default.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "golang: net/http: panic in ReadRequest and ReadResponse when reading a very large header",
          "title": "Vulnerability summary"
        },
        {
          "category": "other",
          "text": "This vulnerability potentially affects any component written in Go that uses net/http from the standard library. In OpenShift Container Platform (OCP), OpenShift Virtualization, OpenShift ServiceMesh (OSSM) and OpenShift distributed tracing (formerly OpenShift Jaeger), no server side component allows HTTP header values larger than 1 MB (the default), preventing this vulnerability from being exploited by malicious clients. It is possible for components that make client connections to malicious servers to be exploited, however the maximum impact is a crash. This vulnerability is rated Low for the following components: \n* OpenShift Container Platform\n* OpenShift Virtualization \n* OpenShift ServiceMesh\n* OpenShift distributed tracing components.",
          "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": {
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          "8Base-Openshift-Serverless-1:openshift-serverless-clients-0:0.22.0-3.el8.s390x",
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      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2021-31525"
        },
        {
          "category": "external",
          "summary": "RHBZ#1958341",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1958341"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2021-31525",
          "url": "https://www.cve.org/CVERecord?id=CVE-2021-31525"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2021-31525",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-31525"
        },
        {
          "category": "external",
          "summary": "https://groups.google.com/g/golang-announce/c/cu9SP4eSXMc",
          "url": "https://groups.google.com/g/golang-announce/c/cu9SP4eSXMc"
        }
      ],
      "release_date": "2021-04-22T00:00:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "details": "See the Red Hat OpenShift Container Platform 4.6 documentation at: https://access.redhat.com/documentation/en-us/openshift_container_platform/4.6/html/serverless_applications/index\n\nSee the Red Hat OpenShift Container Platform 4.7 documentation at: https://access.redhat.com/documentation/en-us/openshift_container_platform/4.7/html/serverless/index",
          "product_ids": [
            "8Base-Openshift-Serverless-1:openshift-serverless-clients-0:0.22.0-3.el8.ppc64le",
            "8Base-Openshift-Serverless-1:openshift-serverless-clients-0:0.22.0-3.el8.s390x",
            "8Base-Openshift-Serverless-1:openshift-serverless-clients-0:0.22.0-3.el8.src",
            "8Base-Openshift-Serverless-1:openshift-serverless-clients-0:0.22.0-3.el8.x86_64"
          ],
          "restart_required": {
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          },
          "url": "https://access.redhat.com/errata/RHSA-2021:2704"
        }
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      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 5.9,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
          },
          "products": [
            "8Base-Openshift-Serverless-1:openshift-serverless-clients-0:0.22.0-3.el8.ppc64le",
            "8Base-Openshift-Serverless-1:openshift-serverless-clients-0:0.22.0-3.el8.s390x",
            "8Base-Openshift-Serverless-1:openshift-serverless-clients-0:0.22.0-3.el8.src",
            "8Base-Openshift-Serverless-1:openshift-serverless-clients-0:0.22.0-3.el8.x86_64"
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          "details": "Moderate"
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      "title": "golang: net/http: panic in ReadRequest and ReadResponse when reading a very large header"
    },
    {
      "cve": "CVE-2021-33196",
      "cwe": {
        "id": "CWE-400",
        "name": "Uncontrolled Resource Consumption"
      },
      "discovery_date": "2021-05-25T00:00:00+00:00",
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "1965503"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "A vulnerability was found in archive/zip of the Go standard library. Applications written in Go can panic or potentially exhaust system memory when parsing malformed ZIP files.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "golang: archive/zip: malformed archive may cause panic or memory exhaustion",
          "title": "Vulnerability summary"
        },
        {
          "category": "other",
          "text": "* In OpenShift Container Platform and OpenShift Service Mesh, multiple components are written in Go and use archive/zip from the standard library. However, all such components are short lived client side tools, not long lived server side executables. As the maximum impact of this vulnerability is a denial of service in client utilities, this vulnerability is rated Low for OpenShift Container Plaform and OpenShift Service Mesh.\n\n* Although OpenShift distributed tracing (formerly OpenShift Jaeger) components are compiled with a vulnerable version of Go,  the vulnerable archive/zip package is currently not used by this product therefore these components are affected but with impact Low. Additionally only core OpenShift distributed tracing components have been listed.\n\n* Although Serverless does ship the affected package, it does not make use of the actual package and hence the impact is low.\n\n* Because Service Telemetry Framework1.2 will be retiring soon and the flaw\u0027s impact is lower, no update will be provided at this time for STF1.2\u0027s smart-gateway-container and sg-core-container.",
          "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": {
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          "8Base-Openshift-Serverless-1:openshift-serverless-clients-0:0.22.0-3.el8.s390x",
          "8Base-Openshift-Serverless-1:openshift-serverless-clients-0:0.22.0-3.el8.src",
          "8Base-Openshift-Serverless-1:openshift-serverless-clients-0:0.22.0-3.el8.x86_64"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2021-33196"
        },
        {
          "category": "external",
          "summary": "RHBZ#1965503",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1965503"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2021-33196",
          "url": "https://www.cve.org/CVERecord?id=CVE-2021-33196"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2021-33196",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-33196"
        },
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          "category": "external",
          "summary": "https://groups.google.com/g/golang-announce/c/RgCMkAEQjSI",
          "url": "https://groups.google.com/g/golang-announce/c/RgCMkAEQjSI"
        }
      ],
      "release_date": "2021-05-25T00:00:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "details": "See the Red Hat OpenShift Container Platform 4.6 documentation at: https://access.redhat.com/documentation/en-us/openshift_container_platform/4.6/html/serverless_applications/index\n\nSee the Red Hat OpenShift Container Platform 4.7 documentation at: https://access.redhat.com/documentation/en-us/openshift_container_platform/4.7/html/serverless/index",
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            "8Base-Openshift-Serverless-1:openshift-serverless-clients-0:0.22.0-3.el8.src",
            "8Base-Openshift-Serverless-1:openshift-serverless-clients-0:0.22.0-3.el8.x86_64"
          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2021:2704"
        }
      ],
      "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-0:0.22.0-3.el8.ppc64le",
            "8Base-Openshift-Serverless-1:openshift-serverless-clients-0:0.22.0-3.el8.s390x",
            "8Base-Openshift-Serverless-1:openshift-serverless-clients-0:0.22.0-3.el8.src",
            "8Base-Openshift-Serverless-1:openshift-serverless-clients-0:0.22.0-3.el8.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Low"
        }
      ],
      "title": "golang: archive/zip: malformed archive may cause panic or memory exhaustion"
    }
  ]
}

cve-2021-27918

Vulnerability from cvelistv5

Published

2021-03-10 23:54

Modified

2024-08-03 21:33

Severity

Summary

encoding/xml in Go before 1.15.9 and 1.16.x before 1.16.1 has an infinite loop if a custom TokenReader (for xml.NewTokenDecoder) returns EOF in the middle of an element. This can occur in the Decode, DecodeElement, or Skip method.

References

URL	Tags
https://groups.google.com/g/golang-announce/c/MfiLYjG-RAw	x_refsource_MISC
https://security.gentoo.org/glsa/202208-02	vendor-advisory, x_refsource_GENTOO

Impacted products

Vendor	Product
n/a	n/a

Show details on NVD website

JSON

To clipboard

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cve-2021-31525

Vulnerability from cvelistv5

Published

2021-05-27 12:17

Modified

2024-08-03 23:03

Severity

Summary

net/http in Go before 1.15.12 and 1.16.x before 1.16.4 allows remote attackers to cause a denial of service (panic) via a large header to ReadRequest or ReadResponse. Server, Transport, and Client can each be affected in some configurations.

References

URL	Tags
https://groups.google.com/g/golang-announce/c/cu9SP4eSXMc	x_refsource_MISC
https://github.com/golang/go/issues/45710	x_refsource_MISC
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ISRZZ6NY5R2TBYE72KZFOCO25TEUQTBF/	vendor-advisory, x_refsource_FEDORA
https://security.gentoo.org/glsa/202208-02	vendor-advisory, x_refsource_GENTOO

Impacted products

Vendor	Product
n/a	n/a

Show details on NVD website

JSON

To clipboard

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cve-2021-33196

Vulnerability from cvelistv5

Published

2021-08-02 00:00

Modified

2024-08-03 23:42

Severity

Summary

In archive/zip in Go before 1.15.13 and 1.16.x before 1.16.5, a crafted file count (in an archive's header) can cause a NewReader or OpenReader panic.

References

URL	Tags
https://groups.google.com/g/golang-announce
https://groups.google.com/g/golang-announce/c/RgCMkAEQjSI
https://lists.debian.org/debian-lts-announce/2022/01/msg00016.html	mailing-list
https://lists.debian.org/debian-lts-announce/2022/01/msg00017.html	mailing-list
https://security.gentoo.org/glsa/202208-02	vendor-advisory
https://lists.debian.org/debian-lts-announce/2023/04/msg00021.html	mailing-list

Impacted products

Vendor	Product
n/a	n/a

Show details on NVD website

JSON

To clipboard

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    "cveId": "CVE-2021-33196",
    "datePublished": "2021-08-02T00:00:00",
    "dateReserved": "2021-05-19T00:00:00",
    "dateUpdated": "2024-08-03T23:42:20.269Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

Action not permitted

rhsa-2021_2704

Vulnerability from csaf_redhat

cve-2021-27918

Vulnerability from cvelistv5

cve-2021-31525

Vulnerability from cvelistv5

cve-2021-33196

Vulnerability from cvelistv5

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