rhsa-2023_7200
Vulnerability from csaf_redhat
Published
2024-02-27 22:49
Modified
2024-11-08 14:33
Summary
Red Hat Security Advisory: OpenShift Container Platform 4.15.z security update

Notes

Topic
Red Hat build of MicroShift release 4.15.0 is now available with updates to packages and images that fix several bugs. This release includes a security update for Red Hat build of MicroShift 4.15.0. 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.
Details
Red Hat build of MicroShift is Red Hat's light-weight Kubernetes orchestration solution designed for edge device deployments and is built from the edge capabilities of Red Hat OpenShift. MicroShift is an application that is deployed on top of Red Hat Enterprise Linux devices at the edge, providing an efficient way to operate single-node clusters in these low-resource environments. This advisory contains the RPM packages for Red Hat build of MicroShift 4.15.0. Read the following advisory for the container images for this release: https://access.redhat.com/errata/RHSA-2023:7198 Security Fix(es): * golang: net/http, x/net/http2: rapid stream resets can cause excessive work (CVE-2023-44487) (CVE-2023-39325) * golang: net/http/internal: Denial of Service (DoS) via Resource Consumption via HTTP requests (CVE-2023-39326) * golang: crypto/tls: Timing Side Channel attack in RSA based TLS key exchanges. (CVE-2023-45287) 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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        "text": "Red Hat build of MicroShift release 4.15.0 is now available with updates to packages and images that fix several bugs.\n\nThis release includes a security update for Red Hat build of MicroShift 4.15.0.\n\nRed 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.",
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        {
          "category": "description",
          "text": "A flaw was found in handling multiplexed streams in the HTTP/2 protocol. A client can repeatedly make a request for a new multiplex stream and immediately send an RST_STREAM frame to cancel it. This creates extra work for the server setting up and tearing down the streams while not hitting any server-side limit for the maximum number of active streams per connection, resulting in a denial of service due to server resource consumption. Red Hat has rated the severity of this flaw as \u0027Important\u0027 as the US Cybersecurity and Infrastructure Security Agency (CISA) declared this vulnerability an active exploit.\r\n\r\nCVE-2023-39325 was assigned for the `Rapid Reset Attack` in the Go language packages.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "golang: net/http, x/net/http2: rapid stream resets can cause excessive work (CVE-2023-44487)",
          "title": "Vulnerability summary"
        },
        {
          "category": "other",
          "text": "This CVE is related to CVE-2023-44487.\n\nThe majority of RHEL utilities are not long-running applications; instead, they are command-line tools. These tools utilize Golang package as build-time dependency, which is why they are classified as having a \"Moderate\" level of impact.",
          "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": "https://go.dev/issue/63417",
          "url": "https://go.dev/issue/63417"
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        {
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          "summary": "https://pkg.go.dev/vuln/GO-2023-2102",
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        },
        {
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          "summary": "https://www.cisa.gov/news-events/alerts/2023/10/10/http2-rapid-reset-vulnerability-cve-2023-44487",
          "url": "https://www.cisa.gov/news-events/alerts/2023/10/10/http2-rapid-reset-vulnerability-cve-2023-44487"
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          "title": "Vulnerability description"
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          "title": "Vulnerability summary"
        },
        {
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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.",
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            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
            "version": "3.1"
          },
          "products": [
            "9Base-RHOSE-4.15:microshift-0:4.15.0-202402260721.p0.g799289b.assembly.4.15.0.el9.aarch64",
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            "9Base-RHOSE-4.15:microshift-selinux-0:4.15.0-202402260721.p0.g799289b.assembly.4.15.0.el9.noarch"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Moderate"
        }
      ],
      "title": "golang: net/http/internal: Denial of Service (DoS) via Resource Consumption via HTTP requests"
    },
    {
      "cve": "CVE-2023-45287",
      "cwe": {
        "id": "CWE-208",
        "name": "Observable Timing Discrepancy"
      },
      "discovery_date": "2023-12-05T00:00:00+00:00",
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "2253193"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "A flaw was found in the Golang crypto/tls standard library. In previous versions, the package was vulnerable to a Timing Side Channel attack by observing the time it took for RSA-based TLS key exchanges, which was not constant. This flaw allows a malicious user to gather information from the environment.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "golang: crypto/tls: Timing Side Channel attack in RSA based TLS key exchanges.",
          "title": "Vulnerability summary"
        },
        {
          "category": "other",
          "text": "The identified flaw in the Golang crypto/tls library, is assessed as a moderate severity issue rather than important due to several mitigating factors. Although the vulnerability exposes a Timing Side Channel, potentially allowing information retrieval through RSA-based TLS key exchanges, its exploitation demands significant access and expertise. Additionally, while earlier versions implemented RSA blinding to counter timing attacks, the removal of PKCS#1 padding may still leak timing data. However, the practicality of exploiting this flaw is limited, and the transition to a fully constant time RSA implementation in Go 1.20 significantly bolsters security, reducing the risk posed by timing side channels.",
          "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": [
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        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2023-45287"
        },
        {
          "category": "external",
          "summary": "RHBZ#2253193",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2253193"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2023-45287",
          "url": "https://www.cve.org/CVERecord?id=CVE-2023-45287"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2023-45287",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-45287"
        },
        {
          "category": "external",
          "summary": "https://pkg.go.dev/vuln/GO-2023-2375",
          "url": "https://pkg.go.dev/vuln/GO-2023-2375"
        }
      ],
      "release_date": "2023-12-05T00:00:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2024-02-27T22:49:18+00:00",
          "details": "For Red Hat build of MicroShift 4.15, read the following documentation for important instructions on how to install the latest RPMs and fully apply this asynchronous errata update:\n\nhttps://access.redhat.com/documentation/en-us/red_hat_build_of_microshift/4.15/html/release_notes/index",
          "product_ids": [
            "9Base-RHOSE-4.15:microshift-0:4.15.0-202402260721.p0.g799289b.assembly.4.15.0.el9.aarch64",
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            "9Base-RHOSE-4.15:microshift-networking-0:4.15.0-202402260721.p0.g799289b.assembly.4.15.0.el9.x86_64",
            "9Base-RHOSE-4.15:microshift-olm-0:4.15.0-202402260721.p0.g799289b.assembly.4.15.0.el9.aarch64",
            "9Base-RHOSE-4.15:microshift-olm-0:4.15.0-202402260721.p0.g799289b.assembly.4.15.0.el9.x86_64",
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          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2023:7200"
        },
        {
          "category": "workaround",
          "details": "No current mitigation is available for this vulnerability.",
          "product_ids": [
            "9Base-RHOSE-4.15:microshift-0:4.15.0-202402260721.p0.g799289b.assembly.4.15.0.el9.aarch64",
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      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
            "version": "3.1"
          },
          "products": [
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      ],
      "threats": [
        {
          "category": "impact",
          "details": "Moderate"
        }
      ],
      "title": "golang: crypto/tls: Timing Side Channel attack in RSA based TLS key exchanges."
    }
  ]
}


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