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      "text": "Low"
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    "category": "csaf_security_advisory",
    "csaf_version": "2.0",
    "distribution": {
      "text": "Copyright \u00a9 Red Hat, Inc. All rights reserved.",
      "tlp": {
        "label": "WHITE",
        "url": "https://www.first.org/tlp/"
      }
    },
    "lang": "en",
    "notes": [
      {
        "category": "summary",
        "text": "An update for libguestfs-winsupport is now available for Red Hat Enterprise Linux 7.\n\nRed Hat Product Security has rated this update as having a security impact of Low. 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": "The libguestfs-winsupport package adds support for Windows guests to libguestfs, a set of tools and libraries allowing users to access and modify virtual machine (VM) disk images.\n\nSecurity Fix(es):\n\n* ntfs-3g: heap-based buffer overflow leads to local root privilege escalation (CVE-2019-9755)\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 7.7 Release Notes linked from 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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      "contact_details": "https://access.redhat.com/security/team/contact/",
      "issuing_authority": "Red Hat Product Security is responsible for vulnerability handling across all Red Hat products and services.",
      "name": "Red Hat Product Security",
      "namespace": "https://www.redhat.com"
    },
    "references": [
      {
        "category": "self",
        "summary": "https://access.redhat.com/errata/RHSA-2019:2308",
        "url": "https://access.redhat.com/errata/RHSA-2019:2308"
      },
      {
        "category": "external",
        "summary": "https://access.redhat.com/security/updates/classification/#low",
        "url": "https://access.redhat.com/security/updates/classification/#low"
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      {
        "category": "external",
        "summary": "https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/7/html/7.7_release_notes/index",
        "url": "https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/7/html/7.7_release_notes/index"
      },
      {
        "category": "external",
        "summary": "1691624",
        "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1691624"
      },
      {
        "category": "self",
        "summary": "Canonical URL",
        "url": "https://security.access.redhat.com/data/csaf/v2/advisories/2019/rhsa-2019_2308.json"
      }
    ],
    "title": "Red Hat Security Advisory: libguestfs-winsupport security update",
    "tracking": {
      "current_release_date": "2024-11-05T21:19:08+00:00",
      "generator": {
        "date": "2024-11-05T21:19:08+00:00",
        "engine": {
          "name": "Red Hat SDEngine",
          "version": "4.1.1"
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      },
      "id": "RHSA-2019:2308",
      "initial_release_date": "2019-08-06T13:35:48+00:00",
      "revision_history": [
        {
          "date": "2019-08-06T13:35:48+00:00",
          "number": "1",
          "summary": "Initial version"
        },
        {
          "date": "2019-08-06T13:35:48+00:00",
          "number": "2",
          "summary": "Last updated version"
        },
        {
          "date": "2024-11-05T21:19:08+00:00",
          "number": "3",
          "summary": "Last generated version"
        }
      ],
      "status": "final",
      "version": "3"
    }
  },
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          {
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              {
                "category": "product_name",
                "name": "Red Hat Enterprise Linux Server (v. 7)",
                "product": {
                  "name": "Red Hat Enterprise Linux Server (v. 7)",
                  "product_id": "7Server-7.7",
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            "name": "Red Hat Enterprise Linux"
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              {
                "category": "product_version",
                "name": "libguestfs-winsupport-0:7.2-3.el7.x86_64",
                "product": {
                  "name": "libguestfs-winsupport-0:7.2-3.el7.x86_64",
                  "product_id": "libguestfs-winsupport-0:7.2-3.el7.x86_64",
                  "product_identification_helper": {
                    "purl": "pkg:rpm/redhat/libguestfs-winsupport@7.2-3.el7?arch=x86_64"
                  }
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            ],
            "category": "architecture",
            "name": "x86_64"
          },
          {
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                "name": "libguestfs-winsupport-0:7.2-3.el7.src",
                "product": {
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            "name": "src"
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        "name": "Red Hat"
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    "relationships": [
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        "full_product_name": {
          "name": "libguestfs-winsupport-0:7.2-3.el7.src as a component of Red Hat Enterprise Linux Server (v. 7)",
          "product_id": "7Server-7.7:libguestfs-winsupport-0:7.2-3.el7.src"
        },
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        "relates_to_product_reference": "7Server-7.7"
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          "name": "libguestfs-winsupport-0:7.2-3.el7.x86_64 as a component of Red Hat Enterprise Linux Server (v. 7)",
          "product_id": "7Server-7.7:libguestfs-winsupport-0:7.2-3.el7.x86_64"
        },
        "product_reference": "libguestfs-winsupport-0:7.2-3.el7.x86_64",
        "relates_to_product_reference": "7Server-7.7"
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  "vulnerabilities": [
    {
      "cve": "CVE-2019-9755",
      "cwe": {
        "id": "CWE-122",
        "name": "Heap-based Buffer Overflow"
      },
      "discovery_date": "2019-03-21T00:00:00+00:00",
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "1691624"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "An integer underflow issue exists in ntfs-3g 2017.3.23. A local attacker could potentially exploit this by running /bin/ntfs-3g with specially crafted arguments from a specially crafted directory to cause a heap buffer overflow, resulting in a crash or the ability to execute arbitrary code. In installations where /bin/ntfs-3g is a setuid-root binary, this could lead to a local escalation of privileges.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "ntfs-3g: heap-based buffer overflow leads to local root privilege escalation",
          "title": "Vulnerability summary"
        },
        {
          "category": "other",
          "text": "This flaw has a lower impact on Red Hat Enterprise Linux because the ntfs-3g tool is run in a supermin appliance, which is similar to a virtual machine instantiated on the fly, and it does not have the SUID bit set. Thus an attacker is very limited on what he can do to the vulnerable 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": [
          "7Server-7.7:libguestfs-winsupport-0:7.2-3.el7.src",
          "7Server-7.7:libguestfs-winsupport-0:7.2-3.el7.x86_64"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2019-9755"
        },
        {
          "category": "external",
          "summary": "RHBZ#1691624",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1691624"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2019-9755",
          "url": "https://www.cve.org/CVERecord?id=CVE-2019-9755"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2019-9755",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2019-9755"
        },
        {
          "category": "external",
          "summary": "https://www.debian.org/security/2019/dsa-4413",
          "url": "https://www.debian.org/security/2019/dsa-4413"
        }
      ],
      "release_date": "2019-03-21T00:00:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2019-08-06T13:35:48+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": [
            "7Server-7.7:libguestfs-winsupport-0:7.2-3.el7.src",
            "7Server-7.7:libguestfs-winsupport-0:7.2-3.el7.x86_64"
          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2019:2308"
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "LOCAL",
            "availabilityImpact": "LOW",
            "baseScore": 3.3,
            "baseSeverity": "LOW",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L",
            "version": "3.0"
          },
          "products": [
            "7Server-7.7:libguestfs-winsupport-0:7.2-3.el7.src",
            "7Server-7.7:libguestfs-winsupport-0:7.2-3.el7.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Low"
        }
      ],
      "title": "ntfs-3g: heap-based buffer overflow leads to local root privilege escalation"
    }
  ]
}