csaf_redhat - rhsa-2024

rhsa-2024_1722

Vulnerability from csaf_redhat

Published

2024-04-09 14:50

Modified

2024-11-06 05:25

Summary

Red Hat Security Advisory: edk2 security update

Notes

Topic

An update for edk2 is now available for Red Hat Enterprise Linux 8.2 Advanced Update Support, Red Hat Enterprise Linux 8.2 Update Services for SAP Solutions, and Red Hat Enterprise Linux 8.2 Telecommunications Update Service. 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 processing DNS Servers option in a DHCPv6 Advertise message (CVE-2023-45234) 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.

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.

JSON

To clipboard

{
  "document": {
    "aggregate_severity": {
      "namespace": "https://access.redhat.com/security/updates/classification/",
      "text": "Important"
    },
    "category": "csaf_security_advisory",
    "csaf_version": "2.0",
    "distribution": {
      "text": "Copyright \u00a9 Red Hat, Inc. All rights reserved.",
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    "lang": "en",
    "notes": [
      {
        "category": "summary",
        "text": "An update for edk2 is now available for Red Hat Enterprise Linux 8.2 Advanced Update Support, Red Hat Enterprise Linux 8.2 Update Services for SAP Solutions, and Red Hat Enterprise Linux 8.2 Telecommunications Update Service.\n\nRed Hat Product Security has rated this update as having a security impact of\nImportant. 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* edk2: Buffer overflow when processing DNS Servers option in a DHCPv6 Advertise message (CVE-2023-45234)\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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    "publisher": {
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      "contact_details": "https://access.redhat.com/security/team/contact/",
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        "url": "https://security.access.redhat.com/data/csaf/v2/advisories/2024/rhsa-2024_1722.json"
      }
    ],
    "title": "Red Hat Security Advisory: edk2 security update",
    "tracking": {
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        },
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        "relates_to_product_reference": "AppStream-8.2.0.Z.E4S"
      },
      {
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        },
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  },
  "vulnerabilities": [
    {
      "cve": "CVE-2023-45234",
      "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": "2258697"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "A security weakness was identified in EDK2, the open-source reference implementation of the UEFI specification, revealing a buffer overflow vulnerability. This vulnerability enables an unauthorized attacker within proximity on the network to transmit a specifically crafted DHCPv6 Advertise message. As a consequence, it results in the unauthorized disclosure of information and jeopardizes the availability of the system.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "edk2: Buffer overflow when processing DNS Servers option in a DHCPv6 Advertise message",
          "title": "Vulnerability summary"
        },
        {
          "category": "other",
          "text": "The discovery of a buffer overflow vulnerability in EDK2, the open-source UEFI implementation, is a significant issue due to its potential impact on system security. This flaw allows an attacker to exploit the system\u0027s vulnerability through a specially crafted DHCPv6 Advertise message, leading to unauthorized access, information leakage, and potential compromise of system availability.",
          "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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          "AppStream-8.2.0.Z.AUS:edk2-ovmf-0:20190829git37eef91017ad-9.el8_2.4.noarch",
          "AppStream-8.2.0.Z.E4S:edk2-0:20190829git37eef91017ad-9.el8_2.4.src",
          "AppStream-8.2.0.Z.E4S:edk2-ovmf-0:20190829git37eef91017ad-9.el8_2.4.noarch",
          "AppStream-8.2.0.Z.TUS:edk2-0:20190829git37eef91017ad-9.el8_2.4.src",
          "AppStream-8.2.0.Z.TUS:edk2-ovmf-0:20190829git37eef91017ad-9.el8_2.4.noarch"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2023-45234"
        },
        {
          "category": "external",
          "summary": "RHBZ#2258697",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2258697"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2023-45234",
          "url": "https://www.cve.org/CVERecord?id=CVE-2023-45234"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2023-45234",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-45234"
        },
        {
          "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-mrjv-p9q7-rxgr",
          "url": "https://github.com/advisories/GHSA-mrjv-p9q7-rxgr"
        }
      ],
      "release_date": "2024-01-16T00:00:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2024-04-09T14:50:21+00:00",
          "details": "For details on how to apply this update, refer to:\n\nhttps://access.redhat.com/articles/11258",
          "product_ids": [
            "AppStream-8.2.0.Z.AUS:edk2-0:20190829git37eef91017ad-9.el8_2.4.src",
            "AppStream-8.2.0.Z.AUS:edk2-ovmf-0:20190829git37eef91017ad-9.el8_2.4.noarch",
            "AppStream-8.2.0.Z.E4S:edk2-0:20190829git37eef91017ad-9.el8_2.4.src",
            "AppStream-8.2.0.Z.E4S:edk2-ovmf-0:20190829git37eef91017ad-9.el8_2.4.noarch",
            "AppStream-8.2.0.Z.TUS:edk2-0:20190829git37eef91017ad-9.el8_2.4.src",
            "AppStream-8.2.0.Z.TUS:edk2-ovmf-0:20190829git37eef91017ad-9.el8_2.4.noarch"
          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2024:1722"
        },
        {
          "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.",
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            "AppStream-8.2.0.Z.E4S:edk2-0:20190829git37eef91017ad-9.el8_2.4.src",
            "AppStream-8.2.0.Z.E4S:edk2-ovmf-0:20190829git37eef91017ad-9.el8_2.4.noarch",
            "AppStream-8.2.0.Z.TUS:edk2-0:20190829git37eef91017ad-9.el8_2.4.src",
            "AppStream-8.2.0.Z.TUS:edk2-ovmf-0:20190829git37eef91017ad-9.el8_2.4.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-8.2.0.Z.AUS:edk2-0:20190829git37eef91017ad-9.el8_2.4.src",
            "AppStream-8.2.0.Z.AUS:edk2-ovmf-0:20190829git37eef91017ad-9.el8_2.4.noarch",
            "AppStream-8.2.0.Z.E4S:edk2-0:20190829git37eef91017ad-9.el8_2.4.src",
            "AppStream-8.2.0.Z.E4S:edk2-ovmf-0:20190829git37eef91017ad-9.el8_2.4.noarch",
            "AppStream-8.2.0.Z.TUS:edk2-0:20190829git37eef91017ad-9.el8_2.4.src",
            "AppStream-8.2.0.Z.TUS:edk2-ovmf-0:20190829git37eef91017ad-9.el8_2.4.noarch"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Important"
        }
      ],
      "title": "edk2: Buffer overflow when processing DNS Servers option in a DHCPv6 Advertise message"
    }
  ]
}

cve-2023-45234

Vulnerability from cvelistv5

Published

2024-01-16 16:14

Modified

2024-08-02 20:14

Severity ?

8.3 (High) - CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:H

Summary

Buffer Overflow in EDK II Network Package

References

▼	URL	Tags
	https://github.com/tianocore/edk2/security/advisories/GHSA-hc6x-cw6p-gj7h	vendor-advisory
	http://www.openwall.com/lists/oss-security/2024/01/16/2
	http://packetstormsecurity.com/files/176574/PixieFail-Proof-Of-Concepts.html
	https://security.netapp.com/advisory/ntap-20240307-0011/
	https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/SJ42V7O7F4OU6R7QSQQECLB6LDHKZIMQ/

Impacted products

▼	Vendor	Product
	TianoCore	edk2

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-02T20:14:19.990Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
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              "x_transferred"
            ],
            "url": "https://github.com/tianocore/edk2/security/advisories/GHSA-hc6x-cw6p-gj7h"
          },
          {
            "tags": [
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            ],
            "url": "http://www.openwall.com/lists/oss-security/2024/01/16/2"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "http://packetstormsecurity.com/files/176574/PixieFail-Proof-Of-Concepts.html"
          },
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://security.netapp.com/advisory/ntap-20240307-0011/"
          },
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            ],
            "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/SJ42V7O7F4OU6R7QSQQECLB6LDHKZIMQ/"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "edk2",
          "vendor": "TianoCore",
          "versions": [
            {
              "status": "affected",
              "version": "edk2-stable202308"
            }
          ]
        }
      ],
      "credits": [
        {
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          "type": "finder",
          "user": "00000000-0000-4000-9000-000000000000",
          "value": "Quarkslab Vulnerability Reports Team"
        },
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          "type": "remediation developer",
          "user": "00000000-0000-4000-9000-000000000000",
          "value": "Doug Flick"
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      ],
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              "base64": false,
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            }
          ],
          "value": " EDK2\u0027s Network Package is susceptible to a buffer overflow vulnerability when processing DNS Servers option from a DHCPv6 Advertise message. This\n vulnerability can be exploited by an attacker to gain unauthorized \naccess and potentially lead to a loss of Confidentiality, Integrity and/or Availability.\n\n"
        }
      ],
      "impacts": [
        {
          "capecId": "CAPEC-540",
          "descriptions": [
            {
              "lang": "en",
              "value": "CAPEC-540 Overread Buffers"
            }
          ]
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "ADJACENT_NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 8.3,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "LOW",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
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          "scenarios": [
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              "lang": "en",
              "value": "GENERAL"
            }
          ]
        }
      ],
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          "descriptions": [
            {
              "cweId": "CWE-119",
              "description": "CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2024-01-16T16:14:28.209Z",
        "orgId": "65518388-201a-4f93-8712-366d21fe8d2c",
        "shortName": "TianoCore"
      },
      "references": [
        {
          "tags": [
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          ],
          "url": "https://github.com/tianocore/edk2/security/advisories/GHSA-hc6x-cw6p-gj7h"
        },
        {
          "url": "http://www.openwall.com/lists/oss-security/2024/01/16/2"
        },
        {
          "url": "http://packetstormsecurity.com/files/176574/PixieFail-Proof-Of-Concepts.html"
        },
        {
          "url": "https://security.netapp.com/advisory/ntap-20240307-0011/"
        },
        {
          "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/SJ42V7O7F4OU6R7QSQQECLB6LDHKZIMQ/"
        }
      ],
      "source": {
        "discovery": "UNKNOWN"
      },
      "title": "Buffer Overflow in EDK II Network Package",
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  "cveMetadata": {
    "assignerOrgId": "65518388-201a-4f93-8712-366d21fe8d2c",
    "assignerShortName": "TianoCore",
    "cveId": "CVE-2023-45234",
    "datePublished": "2024-01-16T16:14:28.209Z",
    "dateReserved": "2023-10-05T20:48:19.879Z",
    "dateUpdated": "2024-08-02T20:14:19.990Z",
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  },
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}

Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
Confirmed: The vulnerability is confirmed from an analyst perspective.
Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
Patched: This vulnerability was successfully patched by the user reporting the sighting.
Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
Not confirmed: The user expresses doubt about the veracity of the vulnerability.
Not patched: This vulnerability was not successfully patched by the user reporting the sighting.

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