rhsa-2021_3146
Vulnerability from csaf_redhat
Published
2021-08-12 01:53
Modified
2024-09-18 04:19
Summary
Red Hat Security Advisory: ACS 3.64 security and enhancement update

Notes

Topic
Updated images are now available for Red Hat Advanced Cluster Security for Kubernetes (RHACS). * Red Hat Product Security has rated this update as having a "Moderate" security impact. * A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE links in the references section.
Details
New Features The release of RHACS 3.64 provides the following new features: 1. You can now use deployment and namespace annotations to define where RHACS sends the violation notifications when configuring your notifiers such as Slack, Microsoft Teams, Email, and others. 2. The Red Hat Advanced Cluster Security Operator now supports the ability to allow users to set the enforcement behavior of the admission controller as part of their custom resource. 3. RHACS now supports kernel modules for Ubuntu 16.04 LTS with extended security maintenance (ESM). Security Fixes The release of RHACS 3.64 provides the following security fixes: * golang: `net` lookup functions may return invalid hostnames (CVE-2021-33195) * golang: `net/http/httputil` ReverseProxy forwards connection headers if the first one is empty (CVE-2021-33197) * golang: `math/big.Rat` may cause panic or an unrecoverable fatal error if passed inputs with very large exponents (CVE-2021-33198) * golang: `crypto/tls` certificate of the wrong type is causing TLS client to panic (CVE-2021-34558) For more details about the security issues, including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE pages in the references section. System changes The release of RHACS 3.64 includes the following system changes: 1. RHACS now pre-fixes the optional security context constraint name with `stackrox` to avoid global naming conflicts. 2. Previously, violations for `port forwards` and `exec` events did not contain information about the user who performed the action that generated the events. The violations now include the user context. 3. The cluster init bundles contain the secrets required for internal RHACS services to communicate with each other. You can delete these to rotate secrets, which have previously sometimes caused outages. This update includes a new deletion workflow that warns about the possible impact of deletion on your environment. 4. The OpenShift compliance operator uses `rpm` only for querying, and it does not install any packages. Therefore, this update includes a policy exception for this pod by default to reduce the violations count.
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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{
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        "text": "Updated images are now available for Red Hat Advanced Cluster Security for Kubernetes (RHACS).\n\n* Red Hat Product Security has rated this update as having a \"Moderate\" security impact.\n* A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE links in the references section.",
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          "text": "A flaw was found in Go. The LookupCNAME, LookupSRV, LookupMX, LookupNS, and LookupAddr functions in the net package and methods on the Resolver type, may return arbitrary values retrieved from DNS, allowing injection of unexpected contents. The highest threat from this vulnerability is to integrity.",
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          "title": "Vulnerability summary"
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          "text": "* Since OpenShift Container Platform 3.11 is in Maintenance Phase of the support, only Important and Critical severity vulnerabilities will be addressed at this time.\n\n* For Red Hat OpenStack Platform, because the flaw has a lower impact and the fix would require a substantial amount of development, no update will be provided at this time for the golang-qpid-apache package.\n\n* In Service Telemetry Framework, because the flaw has a lower impact and the package is not directly used by STF, no updates will be provided at this time for the STF containers.",
          "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"
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          "summary": "Canonical URL",
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          ]
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          "details": "Moderate"
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          "text": "A flaw was found in Go, acting as an unintended proxy or intermediary, where ReverseProxy forwards connection headers if the first one was empty. This flaw allows an attacker to drop arbitrary headers. The highest threat from this vulnerability is to integrity.",
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          "title": "Statement"
        },
        {
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          "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"
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        }
      ],
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          "details": "To take advantage of these new features and changes, please upgrade Red Hat Advanced Cluster Security for Kubernetes to version 3.64",
          "product_ids": [
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          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2021:3146"
        }
      ],
      "scores": [
        {
          "cvss_v3": {
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            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 5.3,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "LOW",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N",
            "version": "3.1"
          },
          "products": [
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          ]
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      ],
      "threats": [
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          "details": "Moderate"
        }
      ],
      "title": "golang: net/http/httputil: ReverseProxy forwards connection headers if first one is empty"
    },
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      "cwe": {
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        "name": "Uncontrolled Resource Consumption"
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      "flags": [
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        {
          "category": "description",
          "text": "A flaw was found in Go, where it attempts to allocate excessive memory. This issue may cause panic or unrecoverable fatal error if passed inputs with very large exponents. The highest threat from this vulnerability is to system availability.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "golang: math/big.Rat: may cause a panic or an unrecoverable fatal error if passed inputs with very large exponents",
          "title": "Vulnerability summary"
        },
        {
          "category": "other",
          "text": "* Since OpenShift Container Platform 3.11 is in Maintenance Phase of the support, only Important and Critical severity vulnerabilities will be addressed at this time.\n\n* In Service Telemetry Framework, because the flaw has a lower impact and the package is not directly used by STF, no updates will be provided at this time for the STF containers.",
          "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-RHACS-3.64:advanced-cluster-security/rhacs-rhel8-operator@sha256:edf1d4fec9c3b6651a2ba44741323a6abf5f5d891db27eba396c206a6bdbc31d_amd64"
        ],
        "known_not_affected": [
          "8Base-RHACS-3.64:advanced-cluster-security/rhacs-operator-bundle@sha256:7e7d2ee7951813e40decefd68e2a0a4dbcc32f81158de073340a2540f3e96441_amd64"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2021-33198"
        },
        {
          "category": "external",
          "summary": "RHBZ#1989575",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1989575"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2021-33198",
          "url": "https://www.cve.org/CVERecord?id=CVE-2021-33198"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2021-33198",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-33198"
        },
        {
          "category": "external",
          "summary": "https://groups.google.com/g/golang-announce/c/RgCMkAEQjSI",
          "url": "https://groups.google.com/g/golang-announce/c/RgCMkAEQjSI"
        }
      ],
      "release_date": "2021-03-10T00:00:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "details": "To take advantage of these new features and changes, please upgrade Red Hat Advanced Cluster Security for Kubernetes to version 3.64",
          "product_ids": [
            "8Base-RHACS-3.64:advanced-cluster-security/rhacs-rhel8-operator@sha256:edf1d4fec9c3b6651a2ba44741323a6abf5f5d891db27eba396c206a6bdbc31d_amd64"
          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2021:3146"
        }
      ],
      "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-RHACS-3.64:advanced-cluster-security/rhacs-rhel8-operator@sha256:edf1d4fec9c3b6651a2ba44741323a6abf5f5d891db27eba396c206a6bdbc31d_amd64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Moderate"
        }
      ],
      "title": "golang: math/big.Rat: may cause a panic or an unrecoverable fatal error if passed inputs with very large exponents"
    },
    {
      "cve": "CVE-2021-34558",
      "cwe": {
        "id": "CWE-20",
        "name": "Improper Input Validation"
      },
      "discovery_date": "2021-07-14T00:00:00+00:00",
      "flags": [
        {
          "label": "vulnerable_code_not_present",
          "product_ids": [
            "8Base-RHACS-3.64:advanced-cluster-security/rhacs-operator-bundle@sha256:7e7d2ee7951813e40decefd68e2a0a4dbcc32f81158de073340a2540f3e96441_amd64"
          ]
        }
      ],
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "1983596"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "A flaw was found in golang. A panic can be triggered by an attacker in a privileged network position without access to the server certificate\u0027s private key, as long as a trusted ECDSA or Ed25519 certificate for the server exists (or can be issued), or the client is configured with Config.InsecureSkipVerify. Clients that disable all TLS_RSA cipher suites (that is, TLS 1.0\u20131.2 cipher suites without ECDHE), as well as TLS 1.3-only clients, are unaffected.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "golang: crypto/tls: certificate of wrong type is causing TLS client to panic",
          "title": "Vulnerability summary"
        },
        {
          "category": "other",
          "text": "* This vulnerability potentially affects any component written in Go that uses crypto/tls from the standard library. 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 distributed tracing (formerly OpenShift Jaeger)\n    - OpenShift Migration Toolkit for Containers\n    - Red Hat Advanced Cluster Management for Kubernetes\n    - Red Hat OpenShift on AWS\n    - Red Hat OpenShift Virtualization\n\n* Because OpenShift Container Platform 3.11 is in Maintenance Phase of the support, only Important and Critical severity vulnerabilities will be addressed at this time.\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 containers.",
          "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-RHACS-3.64:advanced-cluster-security/rhacs-rhel8-operator@sha256:edf1d4fec9c3b6651a2ba44741323a6abf5f5d891db27eba396c206a6bdbc31d_amd64"
        ],
        "known_not_affected": [
          "8Base-RHACS-3.64:advanced-cluster-security/rhacs-operator-bundle@sha256:7e7d2ee7951813e40decefd68e2a0a4dbcc32f81158de073340a2540f3e96441_amd64"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2021-34558"
        },
        {
          "category": "external",
          "summary": "RHBZ#1983596",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1983596"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2021-34558",
          "url": "https://www.cve.org/CVERecord?id=CVE-2021-34558"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2021-34558",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-34558"
        },
        {
          "category": "external",
          "summary": "https://golang.org/doc/devel/release#go1.15.minor",
          "url": "https://golang.org/doc/devel/release#go1.15.minor"
        },
        {
          "category": "external",
          "summary": "https://golang.org/doc/devel/release#go1.16.minor",
          "url": "https://golang.org/doc/devel/release#go1.16.minor"
        }
      ],
      "release_date": "2021-07-13T00:00:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "details": "To take advantage of these new features and changes, please upgrade Red Hat Advanced Cluster Security for Kubernetes to version 3.64",
          "product_ids": [
            "8Base-RHACS-3.64:advanced-cluster-security/rhacs-rhel8-operator@sha256:edf1d4fec9c3b6651a2ba44741323a6abf5f5d891db27eba396c206a6bdbc31d_amd64"
          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2021:3146"
        },
        {
          "category": "workaround",
          "details": "Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.",
          "product_ids": [
            "8Base-RHACS-3.64:advanced-cluster-security/rhacs-operator-bundle@sha256:7e7d2ee7951813e40decefd68e2a0a4dbcc32f81158de073340a2540f3e96441_amd64",
            "8Base-RHACS-3.64:advanced-cluster-security/rhacs-rhel8-operator@sha256:edf1d4fec9c3b6651a2ba44741323a6abf5f5d891db27eba396c206a6bdbc31d_amd64"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 6.5,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
            "version": "3.1"
          },
          "products": [
            "8Base-RHACS-3.64:advanced-cluster-security/rhacs-rhel8-operator@sha256:edf1d4fec9c3b6651a2ba44741323a6abf5f5d891db27eba396c206a6bdbc31d_amd64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Moderate"
        }
      ],
      "title": "golang: crypto/tls: certificate of wrong type is causing TLS client to panic"
    }
  ]
}


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