csaf_redhat - rhsa-2024

rhsa-2024_6931

Vulnerability from csaf_redhat

Published

2024-09-23 11:12

Modified

2024-11-06 07:02

Summary

Red Hat Security Advisory: edk2 security update

Notes

Topic

An update for edk2 is now available for Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions. 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) 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": {
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      "text": "Important"
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    "category": "csaf_security_advisory",
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        "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: Buffer overflow when handling Server ID option from a DHCPv6 proxy Advertise message (CVE-2023-45235)\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.",
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        "title": "Terms of Use"
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    "publisher": {
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        "name": "Improper Restriction of Operations within the Bounds of a Memory Buffer"
      },
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      "ids": [
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        }
      ],
      "notes": [
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          "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.",
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        {
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        }
      ],
      "product_status": {
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        {
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          "summary": "https://www.cve.org/CVERecord?id=CVE-2023-45235",
          "url": "https://www.cve.org/CVERecord?id=CVE-2023-45235"
        },
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          "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",
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        }
      ],
      "release_date": "2024-01-16T00:00:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2024-09-23T11:12:05+00:00",
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          "url": "https://access.redhat.com/errata/RHSA-2024:6931"
        },
        {
          "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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      ],
      "scores": [
        {
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            "baseScore": 8.8,
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            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
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            "userInteraction": "NONE",
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          },
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            "AppStream-9.0.0.Z.E4S:edk2-ovmf-0:20220126gitbb1bba3d77-3.el9_0.5.noarch"
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      ],
      "threats": [
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      ],
      "title": "edk2: Buffer overflow when handling Server ID option from a DHCPv6 proxy Advertise message"
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}

cve-2023-45235

Vulnerability from cvelistv5

Published

2024-01-16 16:11

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
	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

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          "dateUpdated": "2024-08-02T20:14:19.859Z",
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          "user": "00000000-0000-4000-9000-000000000000",
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        "orgId": "65518388-201a-4f93-8712-366d21fe8d2c",
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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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