rhsa-2022_7700
Vulnerability from csaf_redhat
Published
2022-11-08 09:28
Modified
2024-09-16 08:03
Summary
Red Hat Security Advisory: gdisk security update

Notes

Topic
An update for gdisk is now available for Red Hat Enterprise Linux 8. 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
The gdisk packages provide the gdisk partitioning utility for GUID Partition Table (GPT) disks. The utility features a command-line interface similar to fdisk, direct manipulation of partition table structures, recovery tools to deal with corrupt partition tables, and the ability to convert Master Boot Record (MBR) disks to the GPT format. Security Fix(es): * gdisk: possible out-of-bounds-write in LoadPartitionTable of gpt.cc (CVE-2020-0256) * gdisk: possible out-of-bounds-write in ReadLogicalParts of basicmbr.cc (CVE-2021-0308) 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 8.7 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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  "vulnerabilities": [
    {
      "cve": "CVE-2020-0256",
      "cwe": {
        "id": "CWE-787",
        "name": "Out-of-bounds Write"
      },
      "discovery_date": "2022-02-08T00:00:00+00:00",
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "2051939"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "An out-of-bounds write flaw was found in gdisks\u0027 LoadPartitionTable() function of \u0027gpt.cc\u0027. The exploitation of this flaw requires the use of a malicious storage device (for example, a USB Stick) that can cause a crash when physically inserted into the system and possible local privilege escalation. This flaw allows an attacker to compromise confidentiality, integrity, and data availability.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "gdisk: possible out-of-bounds-write in LoadPartitionTable of gpt.cc",
          "title": "Vulnerability summary"
        },
        {
          "category": "other",
          "text": "This vulnerability does affect Red Hat Enterprise Linux 6, 7, and 8 because our code-base is vulnerable to this issue.\n\nRed Hat Product Security has rated this issue as a Moderate security impact and the issue is not currently planned to be addressed in future updates for Red Hat Enterprise Linux 6 and 7, hence, marked as Out-of-Support-Scope. For additional information, refer to the Red Hat Enterprise Linux Life Cycle \u0026 Update Policy: https://access.redhat.com/support/policy/updates/errata/.",
          "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": "RHBZ#2051939",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2051939"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2020-0256",
          "url": "https://www.cve.org/CVERecord?id=CVE-2020-0256"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2020-0256",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2020-0256"
        }
      ],
      "release_date": "2022-02-04T00:00:00+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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          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2022:7700"
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "PHYSICAL",
            "availabilityImpact": "HIGH",
            "baseScore": 6.8,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
          },
          "products": [
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          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Moderate"
        }
      ],
      "title": "gdisk: possible out-of-bounds-write in LoadPartitionTable of gpt.cc"
    },
    {
      "cve": "CVE-2021-0308",
      "cwe": {
        "id": "CWE-787",
        "name": "Out-of-bounds Write"
      },
      "discovery_date": "2022-02-08T00:00:00+00:00",
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "2051943"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "An out-of-bounds write flaw was found in gdisks\u0027 ReadLogicalParts() function of \u0027basicmbr.cc\u0027. The exploitation of this flaw requires the use of a malicious storage device (for example, a USB Stick) that can cause a crash when physically inserted into the system and possible local privilege escalation. This flaw allows an attacker to compromise confidentiality, integrity, and data availability.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "gdisk: possible out-of-bounds-write in ReadLogicalParts of basicmbr.cc",
          "title": "Vulnerability summary"
        },
        {
          "category": "other",
          "text": "This vulnerability does affect Red Hat Enterprise Linux 6, 7, and 8 because our code-base is vulnerable to this issue.\n\nRed Hat Product Security has rated this issue as a Moderate security impact and the issue is not currently planned to be addressed in future updates for Red Hat Enterprise Linux 6 and 7, hence, marked as Out-of-Support-Scope. For additional information, refer to the Red Hat Enterprise Linux Life Cycle \u0026 Update Policy: https://access.redhat.com/support/policy/updates/errata/.",
          "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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        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2021-0308"
        },
        {
          "category": "external",
          "summary": "RHBZ#2051943",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2051943"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2021-0308",
          "url": "https://www.cve.org/CVERecord?id=CVE-2021-0308"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2021-0308",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-0308"
        }
      ],
      "release_date": "2022-02-04T00:00:00+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",
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          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2022:7700"
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "PHYSICAL",
            "availabilityImpact": "HIGH",
            "baseScore": 6.8,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
          },
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          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Moderate"
        }
      ],
      "title": "gdisk: possible out-of-bounds-write in ReadLogicalParts of basicmbr.cc"
    }
  ]
}


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