rhsa-2024_3017
Vulnerability from csaf_redhat
Published
2024-05-22 09:52
Modified
2024-11-06 05:53
Summary
Red Hat Security Advisory: edk2 security update

Notes

Topic
An update for edk2 is now available for Red Hat Enterprise Linux 8. 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
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: Buffer overflow when handling Server ID option from a DHCPv6 proxy Advertise message (CVE-2023-45235) * EDK2: heap buffer overflow in Tcg2MeasureGptTable() (CVE-2022-36763) * EDK2: heap buffer overflow in Tcg2MeasurePeImage() (CVE-2022-36764) * EDK2: integer overflow in CreateHob() could lead to HOB OOB R/W (CVE-2022-36765) * edk2: Integer underflow when processing IA_NA/IA_TA options in a DHCPv6 Advertise message (CVE-2023-45229) * edk2: Out of Bounds read when handling a ND Redirect message with truncated options (CVE-2023-45231) * 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. Additional Changes: For detailed information on changes in this release, see the Red Hat Enterprise Linux 8.10 Release Notes linked from 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": "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 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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        "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: Buffer overflow when handling Server ID option from a DHCPv6 proxy Advertise message (CVE-2023-45235)\n\n* EDK2: heap buffer overflow in Tcg2MeasureGptTable() (CVE-2022-36763)\n\n* EDK2: heap buffer overflow in Tcg2MeasurePeImage() (CVE-2022-36764)\n\n* EDK2: integer overflow in CreateHob() could lead to HOB OOB R/W (CVE-2022-36765)\n\n* edk2: Integer underflow when processing IA_NA/IA_TA options in a DHCPv6 Advertise message (CVE-2023-45229)\n\n* edk2: Out of Bounds read when handling a ND Redirect message with truncated options (CVE-2023-45231)\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.\n\nAdditional Changes:\n\nFor detailed information on changes in this release, see the Red Hat Enterprise Linux 8.10 Release Notes linked from the References section.",
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          "text": "A heap buffer overflow flaw was found via the Tcg2MeasureGptTable() function in EDK2, arising from inadequate validation of the GPT Primary Header, presenting a minor risk to confidentiality and integrity. The primary consequence is likely a crash or denial of service. This issue may allow a local attacker to craft a GPT table, causing an integer overflow and consequent buffer overflow.",
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        {
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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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            "privilegesRequired": "LOW",
            "scope": "CHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:H",
            "version": "3.1"
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      "threats": [
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    },
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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"
        }
      ],
      "product_status": {
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          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2022-36765"
        },
        {
          "category": "external",
          "summary": "RHBZ#2257584",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2257584"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2022-36765",
          "url": "https://www.cve.org/CVERecord?id=CVE-2022-36765"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2022-36765",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2022-36765"
        },
        {
          "category": "external",
          "summary": "https://github.com/tianocore/edk2/security/advisories/GHSA-ch4w-v7m3-g8wx",
          "url": "https://github.com/tianocore/edk2/security/advisories/GHSA-ch4w-v7m3-g8wx"
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      "release_date": "2024-01-09T00:00:00+00:00",
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          "details": "Moderate"
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      ],
      "title": "EDK2: integer overflow in CreateHob() could lead to HOB OOB R/W"
    },
    {
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      "cwe": {
        "id": "CWE-835",
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      "discovery_date": "2024-01-16T00:00:00+00:00",
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "2258677"
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        {
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          "text": "A vulnerability has been identified in the NetworkPkg IP stack of EDK2, the open-source reference implementation of the UEFI specification. This flaw enables an unauthenticated attacker within the same network vicinity to transmit a specifically crafted DHCPv6 message. Exploiting this vulnerability may result in unauthorized access to memory beyond its boundaries, potentially leading to the exposure of sensitive information.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "edk2: Integer underflow when processing IA_NA/IA_TA options in a DHCPv6 Advertise message",
          "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. This vulnerability allows an unauthenticated attacker within the same network to exploit via a crafted DHCPv6 message, potentially leading to the unauthorized access of memory beyond its designated boundaries. While the issue has the potential to leak sensitive information, its impact is considered moderate, requiring an attacker to be within the adjacent network for successful exploitation.",
          "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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          "summary": "RHBZ#2258677",
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        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2023-45229",
          "url": "https://www.cve.org/CVERecord?id=CVE-2023-45229"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2023-45229",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-45229"
        },
        {
          "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/tianocore/edk2/security/advisories/GHSA-hc6x-cw6p-gj7h",
          "url": "https://github.com/tianocore/edk2/security/advisories/GHSA-hc6x-cw6p-gj7h"
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          "category": "vendor_fix",
          "date": "2024-05-22T09:52:32+00:00",
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          "category": "workaround",
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            "confidentialityImpact": "HIGH",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
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      "threats": [
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          "details": "Moderate"
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      ],
      "title": "edk2: Integer underflow when processing IA_NA/IA_TA options in a DHCPv6 Advertise message"
    },
    {
      "cve": "CVE-2023-45231",
      "cwe": {
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        "name": "Out-of-bounds Read"
      },
      "discovery_date": "2024-01-16T00:00:00+00:00",
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "2258688"
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        {
          "category": "description",
          "text": "A security loophole involving an out-of-bounds read was identified in EDK2, the open-source reference implementation of the UEFI specification. This vulnerability enables an unauthorized attacker within the vicinity of the network to transmit a specifically crafted Neighbor Discovery Redirect message. Consequently, this may lead to the unauthorized reading of memory beyond the message boundaries, potentially resulting in the exposure of sensitive information.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "edk2: Out of Bounds read when handling a ND Redirect message with truncated options",
          "title": "Vulnerability summary"
        },
        {
          "category": "other",
          "text": "The out-of-bounds read vulnerability in EDK2 represents a moderate security concern. This flaw, found in the open-source implementation of the UEFI specification, allows an attacker within the local network to exploit the issue by sending a carefully crafted Neighbor Discovery Redirect message. While requiring proximity for exploitation, the vulnerability could lead to unauthorized memory access and potential leakage of sensitive information.",
          "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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      ],
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          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2023-45231"
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          "summary": "RHBZ#2258688",
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          "summary": "https://www.cve.org/CVERecord?id=CVE-2023-45231",
          "url": "https://www.cve.org/CVERecord?id=CVE-2023-45231"
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          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2023-45231",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-45231"
        },
        {
          "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-pr27-mhpp-2ccr",
          "url": "https://github.com/advisories/GHSA-pr27-mhpp-2ccr"
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          "details": "Moderate"
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      "title": "edk2: Out of Bounds read when handling a ND Redirect message with truncated options"
    },
    {
      "cve": "CVE-2023-45232",
      "cwe": {
        "id": "CWE-835",
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      "discovery_date": "2024-01-16T00:00:00+00:00",
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          "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"
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          "summary": "Canonical URL",
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          "summary": "https://www.cve.org/CVERecord?id=CVE-2023-45232",
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          "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"
        },
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          "category": "external",
          "summary": "https://github.com/advisories/GHSA-3r3p-444m-2g4p",
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            "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": "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"
        }
      ],
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        {
          "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": {
        "fixed": [
          "AppStream-8.10.0.GA:edk2-0:20220126gitbb1bba3d77-13.el8_10.src",
          "AppStream-8.10.0.GA:edk2-aarch64-0:20220126gitbb1bba3d77-13.el8_10.noarch",
          "AppStream-8.10.0.GA:edk2-ovmf-0:20220126gitbb1bba3d77-13.el8_10.noarch"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2023-45233"
        },
        {
          "category": "external",
          "summary": "RHBZ#2258694",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2258694"
        },
        {
          "category": "external",
          "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": "2024-05-22T09:52:32+00:00",
          "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": [
            "AppStream-8.10.0.GA:edk2-0:20220126gitbb1bba3d77-13.el8_10.src",
            "AppStream-8.10.0.GA:edk2-aarch64-0:20220126gitbb1bba3d77-13.el8_10.noarch",
            "AppStream-8.10.0.GA:edk2-ovmf-0:20220126gitbb1bba3d77-13.el8_10.noarch"
          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2024:3017"
        },
        {
          "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": [
            "AppStream-8.10.0.GA:edk2-0:20220126gitbb1bba3d77-13.el8_10.src",
            "AppStream-8.10.0.GA:edk2-aarch64-0:20220126gitbb1bba3d77-13.el8_10.noarch",
            "AppStream-8.10.0.GA:edk2-ovmf-0:20220126gitbb1bba3d77-13.el8_10.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"
          },
          "products": [
            "AppStream-8.10.0.GA:edk2-0:20220126gitbb1bba3d77-13.el8_10.src",
            "AppStream-8.10.0.GA:edk2-aarch64-0:20220126gitbb1bba3d77-13.el8_10.noarch",
            "AppStream-8.10.0.GA:edk2-ovmf-0:20220126gitbb1bba3d77-13.el8_10.noarch"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Moderate"
        }
      ],
      "title": "edk2: Infinite loop when parsing a PadN option in the Destination Options header"
    },
    {
      "cve": "CVE-2023-45235",
      "cwe": {
        "id": "CWE-119",
        "name": "Improper Restriction of Operations within the Bounds of a Memory Buffer"
      },
      "discovery_date": "2024-01-16T00:00:00+00:00",
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "2258700"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "A security flaw involving buffer overflow was identified in EDK2, the open-source reference implementation of the UEFI specification. This vulnerability enables an unauthorized attacker within the vicinity network to transmit a specifically crafted DHCPv6 proxy Advertise message, resulting in the disclosure of information and potential compromise of system availability.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "edk2: Buffer overflow when handling Server ID option from a DHCPv6 proxy Advertise message",
          "title": "Vulnerability summary"
        },
        {
          "category": "other",
          "text": "The discovery of a buffer overflow vulnerability in EDK2, the open-source implementation of the UEFI specification, raises significant concerns for system security. This flaw, when exploited by an unauthorized attacker on the same network, allows for the transmission of a malicious DHCPv6 proxy Advertise message. This can lead to the compromise of sensitive information and poses a serious threat to the availability of the system.",
          "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-8.10.0.GA:edk2-0:20220126gitbb1bba3d77-13.el8_10.src",
          "AppStream-8.10.0.GA:edk2-aarch64-0:20220126gitbb1bba3d77-13.el8_10.noarch",
          "AppStream-8.10.0.GA:edk2-ovmf-0:20220126gitbb1bba3d77-13.el8_10.noarch"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2023-45235"
        },
        {
          "category": "external",
          "summary": "RHBZ#2258700",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2258700"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2023-45235",
          "url": "https://www.cve.org/CVERecord?id=CVE-2023-45235"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2023-45235",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-45235"
        },
        {
          "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-h9v6-q439-p7j2",
          "url": "https://github.com/advisories/GHSA-h9v6-q439-p7j2"
        }
      ],
      "release_date": "2024-01-16T00:00:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2024-05-22T09:52:32+00:00",
          "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": [
            "AppStream-8.10.0.GA:edk2-0:20220126gitbb1bba3d77-13.el8_10.src",
            "AppStream-8.10.0.GA:edk2-aarch64-0:20220126gitbb1bba3d77-13.el8_10.noarch",
            "AppStream-8.10.0.GA:edk2-ovmf-0:20220126gitbb1bba3d77-13.el8_10.noarch"
          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2024:3017"
        },
        {
          "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": [
            "AppStream-8.10.0.GA:edk2-0:20220126gitbb1bba3d77-13.el8_10.src",
            "AppStream-8.10.0.GA:edk2-aarch64-0:20220126gitbb1bba3d77-13.el8_10.noarch",
            "AppStream-8.10.0.GA:edk2-ovmf-0:20220126gitbb1bba3d77-13.el8_10.noarch"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "ADJACENT_NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 8.8,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
          },
          "products": [
            "AppStream-8.10.0.GA:edk2-0:20220126gitbb1bba3d77-13.el8_10.src",
            "AppStream-8.10.0.GA:edk2-aarch64-0:20220126gitbb1bba3d77-13.el8_10.noarch",
            "AppStream-8.10.0.GA:edk2-ovmf-0:20220126gitbb1bba3d77-13.el8_10.noarch"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Important"
        }
      ],
      "title": "edk2: Buffer overflow when handling Server ID option from a DHCPv6 proxy Advertise message"
    }
  ]
}


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