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      "text": "Low"
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    "csaf_version": "2.0",
    "distribution": {
      "text": "Copyright \u00a9 Red Hat, Inc. All rights reserved.",
      "tlp": {
        "label": "WHITE",
        "url": "https://www.first.org/tlp/"
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    },
    "lang": "en",
    "notes": [
      {
        "category": "summary",
        "text": "An update for edk2 is now available for Red Hat Enterprise Linux 8.\n\nRed Hat Product Security has rated this update as having a security impact of Low. 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": "EDK (Embedded Development Kit) is a project to enable UEFI support for Virtual Machines. This package contains a sample 64-bit UEFI firmware for QEMU and KVM. \n\nSecurity Fix(es):\n\n* openssl: Excessive time spent checking DH keys and parameters (CVE-2023-3446)\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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        "summary": "https://access.redhat.com/errata/RHSA-2024:0888",
        "url": "https://access.redhat.com/errata/RHSA-2024:0888"
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        "url": "https://access.redhat.com/security/data/csaf/v2/advisories/2024/rhsa-2024_0888.json"
      }
    ],
    "title": "Red Hat Security Advisory: edk2 security update",
    "tracking": {
      "current_release_date": "2024-09-13T19:06:33+00:00",
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        "date": "2024-09-13T19:06:33+00:00",
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      "id": "RHSA-2024:0888",
      "initial_release_date": "2024-02-20T12:28:12+00:00",
      "revision_history": [
        {
          "date": "2024-02-20T12:28:12+00:00",
          "number": "1",
          "summary": "Initial version"
        },
        {
          "date": "2024-02-20T12:28:12+00:00",
          "number": "2",
          "summary": "Last updated version"
        },
        {
          "date": "2024-09-13T19:06:33+00:00",
          "number": "3",
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      "status": "final",
      "version": "3"
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  "vulnerabilities": [
    {
      "cve": "CVE-2023-3446",
      "cwe": {
        "id": "CWE-400",
        "name": "Uncontrolled Resource Consumption"
      },
      "discovery_date": "2023-07-24T00:00:00+00:00",
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "2224962"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "A vulnerability was found in OpenSSL. This security flaw occurs because the applications that use the DH_check(), DH_check_ex(), or EVP_PKEY_param_check() functions to check a DH key or DH parameters may experience long delays. Where the key or parameters that are being checked have been obtained from an untrusted source may lead to a denial of service.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "openssl: Excessive time spent checking DH keys and parameters",
          "title": "Vulnerability summary"
        },
        {
          "category": "other",
          "text": "The CVE-2023-3446 vulnerability in OpenSSL has been classified as having a low impact due to several factors. Firstly, while the potential for a Denial of Service (DoS) attack exists, it requires specific conditions to be met, notably the use of DH_check(), DH_check_ex(), or EVP_PKEY_param_check() functions with DH keys or parameters obtained from untrusted sources. Secondly, the issue primarily affects the efficiency of key and parameter checks, rather than directly compromising the security or integrity of cryptographic operations. Given these considerations and the absence of widespread exploitation or significant consequences beyond performance degradation, the overall impact of this vulnerability is deemed low rather than moderate.",
          "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": [
          "AppStream-8.9.0.Z.MAIN:edk2-0:20220126gitbb1bba3d77-6.el8_9.3.src",
          "AppStream-8.9.0.Z.MAIN:edk2-aarch64-0:20220126gitbb1bba3d77-6.el8_9.3.noarch",
          "AppStream-8.9.0.Z.MAIN:edk2-ovmf-0:20220126gitbb1bba3d77-6.el8_9.3.noarch"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2023-3446"
        },
        {
          "category": "external",
          "summary": "RHBZ#2224962",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2224962"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2023-3446",
          "url": "https://www.cve.org/CVERecord?id=CVE-2023-3446"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2023-3446",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-3446"
        },
        {
          "category": "external",
          "summary": "https://www.openssl.org/news/secadv/20230719.txt",
          "url": "https://www.openssl.org/news/secadv/20230719.txt"
        }
      ],
      "release_date": "2023-07-19T00:00:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258",
          "product_ids": [
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            "AppStream-8.9.0.Z.MAIN:edk2-aarch64-0:20220126gitbb1bba3d77-6.el8_9.3.noarch",
            "AppStream-8.9.0.Z.MAIN:edk2-ovmf-0:20220126gitbb1bba3d77-6.el8_9.3.noarch"
          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2024:0888"
        },
        {
          "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": [
            "AppStream-8.9.0.Z.MAIN:edk2-0:20220126gitbb1bba3d77-6.el8_9.3.src",
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            "AppStream-8.9.0.Z.MAIN:edk2-ovmf-0:20220126gitbb1bba3d77-6.el8_9.3.noarch"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "LOW",
            "baseScore": 5.3,
            "baseSeverity": "MEDIUM",
            "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:L",
            "version": "3.1"
          },
          "products": [
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            "AppStream-8.9.0.Z.MAIN:edk2-aarch64-0:20220126gitbb1bba3d77-6.el8_9.3.noarch",
            "AppStream-8.9.0.Z.MAIN:edk2-ovmf-0:20220126gitbb1bba3d77-6.el8_9.3.noarch"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Low"
        }
      ],
      "title": "openssl: Excessive time spent checking DH keys and parameters"
    }
  ]
}