rhsa-2024_8104
Vulnerability from csaf_redhat
Published
2024-10-15 00:38
Modified
2024-11-06 07:16
Summary
Red Hat Security Advisory: edk2 security update

Notes

Topic
An update for edk2 is now available for Red Hat Enterprise Linux 8.8 Extended Update Support. 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
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. Security Fix(es): * edk2: Infinite loop when parsing unknown options in the Destination Options header (CVE-2023-45232) * edk2: Infinite loop when parsing a PadN option in the Destination Options header (CVE-2023-45233) 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": "Moderate"
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        "text": "An update for edk2 is now available for Red Hat Enterprise Linux 8.8 Extended Update Support.\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"
      },
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        "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* edk2: Infinite loop when parsing unknown options in the Destination Options header (CVE-2023-45232)\n\n* edk2: Infinite loop when parsing a PadN option in the Destination Options header (CVE-2023-45233)\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"
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        "title": "Terms of Use"
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      "cwe": {
        "id": "CWE-835",
        "name": "Loop with Unreachable Exit Condition (\u0027Infinite Loop\u0027)"
      },
      "discovery_date": "2024-01-16T00:00:00+00:00",
      "ids": [
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          "text": "2258691"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "A security loophole involving an infinite loop was identified in EDK2, the open-source reference implementation of the UEFI specification. This weakness enables an unauthorized attacker to exploit system availability by sending a specifically crafted Destination Options IPv6 header.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "edk2: Infinite loop when parsing unknown options in the Destination Options header",
          "title": "Vulnerability summary"
        },
        {
          "category": "other",
          "text": "The identified flaw in the NetworkPkg IP stack within the EDK2, an open-source UEFI implementation, poses a moderate security concern as the vulnerability allows an unauthenticated attacker within the same local network to exploit via a specifically crafted Destination Options IPv6 header.",
          "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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          "summary": "Canonical URL",
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        },
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          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2258691"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2023-45232",
          "url": "https://www.cve.org/CVERecord?id=CVE-2023-45232"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2023-45232",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-45232"
        },
        {
          "category": "external",
          "summary": "https://blog.quarkslab.com/pixiefail-nine-vulnerabilities-in-tianocores-edk-ii-ipv6-network-stack.html",
          "url": "https://blog.quarkslab.com/pixiefail-nine-vulnerabilities-in-tianocores-edk-ii-ipv6-network-stack.html"
        },
        {
          "category": "external",
          "summary": "https://github.com/advisories/GHSA-3r3p-444m-2g4p",
          "url": "https://github.com/advisories/GHSA-3r3p-444m-2g4p"
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          "date": "2024-10-15T00:38:05+00:00",
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        },
        {
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      ],
      "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"
          },
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            "AppStream-8.8.0.Z.EUS:edk2-aarch64-0:20220126gitbb1bba3d77-4.el8_8.6.noarch",
            "AppStream-8.8.0.Z.EUS:edk2-ovmf-0:20220126gitbb1bba3d77-4.el8_8.6.noarch"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Moderate"
        }
      ],
      "title": "edk2: Infinite loop when parsing unknown options in the Destination Options header"
    },
    {
      "cve": "CVE-2023-45233",
      "cwe": {
        "id": "CWE-835",
        "name": "Loop with Unreachable Exit Condition (\u0027Infinite Loop\u0027)"
      },
      "discovery_date": "2024-01-16T00:00:00+00:00",
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "2258694"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "The Network Package in EDK2 is vulnerable to an infinite loop exploit when parsing a PadN option within the Destination Options header of IPv6. This flaw allows an unauthorized attacker to gain access and potentially result in a loss of system availability.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "edk2: Infinite loop when parsing a PadN option in the Destination Options header",
          "title": "Vulnerability summary"
        },
        {
          "category": "other",
          "text": "The identified vulnerability in EDK2\u0027s Network Package poses a moderate risk due to an infinite loop in the Ip6IsOptionValid function, specifically when parsing a PadN option in the Destination Options header of an IPv6 packet. This flaw occurs because the addition of 0x100 to the Offset variable is truncated to a UINT8, resulting in an unmodified Offset. As a consequence of this infinite loop, the affected computer never finishes booting up.",
          "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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      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2023-45233"
        },
        {
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          "summary": "RHBZ#2258694",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2258694"
        },
        {
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          "summary": "https://www.cve.org/CVERecord?id=CVE-2023-45233",
          "url": "https://www.cve.org/CVERecord?id=CVE-2023-45233"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2023-45233",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-45233"
        },
        {
          "category": "external",
          "summary": "https://blog.quarkslab.com/pixiefail-nine-vulnerabilities-in-tianocores-edk-ii-ipv6-network-stack.html",
          "url": "https://blog.quarkslab.com/pixiefail-nine-vulnerabilities-in-tianocores-edk-ii-ipv6-network-stack.html"
        },
        {
          "category": "external",
          "summary": "https://github.com/advisories/GHSA-p9h6-p7cr-7842",
          "url": "https://github.com/advisories/GHSA-p9h6-p7cr-7842"
        }
      ],
      "release_date": "2024-01-16T00:00:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2024-10-15T00:38:05+00:00",
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            "AppStream-8.8.0.Z.EUS:edk2-aarch64-0:20220126gitbb1bba3d77-4.el8_8.6.noarch",
            "AppStream-8.8.0.Z.EUS:edk2-ovmf-0:20220126gitbb1bba3d77-4.el8_8.6.noarch"
          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2024:8104"
        },
        {
          "category": "workaround",
          "details": "Mitigation for this issue is either not available or the currently available options don\u0027t meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.",
          "product_ids": [
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            "AppStream-8.8.0.Z.EUS:edk2-ovmf-0:20220126gitbb1bba3d77-4.el8_8.6.noarch"
          ]
        }
      ],
      "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"
          },
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            "AppStream-8.8.0.Z.EUS:edk2-aarch64-0:20220126gitbb1bba3d77-4.el8_8.6.noarch",
            "AppStream-8.8.0.Z.EUS:edk2-ovmf-0:20220126gitbb1bba3d77-4.el8_8.6.noarch"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Moderate"
        }
      ],
      "title": "edk2: Infinite loop when parsing a PadN option in the Destination Options header"
    }
  ]
}


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