gsd-2018-18954
Vulnerability from gsd
Modified
2023-12-13 01:22
Details
The pnv_lpc_do_eccb function in hw/ppc/pnv_lpc.c in Qemu before 3.1 allows out-of-bounds write or read access to PowerNV memory.
Aliases
Aliases
CVE-2018-18954


To clipboard 

{
  "GSD": {
    "alias": "CVE-2018-18954",
    "description": "The pnv_lpc_do_eccb function in hw/ppc/pnv_lpc.c in Qemu before 3.1 allows out-of-bounds write or read access to PowerNV memory.",
    "id": "GSD-2018-18954",
    "references": [
      "https://www.suse.com/security/cve/CVE-2018-18954.html",
      "https://www.debian.org/security/2019/dsa-4454",
      "https://ubuntu.com/security/CVE-2018-18954"
    ]
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2018-18954"
      ],
      "details": "The pnv_lpc_do_eccb function in hw/ppc/pnv_lpc.c in Qemu before 3.1 allows out-of-bounds write or read access to PowerNV memory.",
      "id": "GSD-2018-18954",
      "modified": "2023-12-13T01:22:36.326753Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
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        "STATE": "PUBLIC"
      },
      "affects": {
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            "name": "[Qemu-devel] 20181103 [PATCH v2] ppc/pnv: check size before data buffer access",
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            "url": "https://lists.gnu.org/archive/html/qemu-devel/2018-11/msg00446.html"
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            "url": "http://lists.opensuse.org/opensuse-security-announce/2019-03/msg00042.html"
          },
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            "url": "https://www.debian.org/security/2019/dsa-4454"
          },
          {
            "name": "20190531 [SECURITY] [DSA 4454-1] qemu security update",
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            "url": "https://seclists.org/bugtraq/2019/May/76"
          }
        ]
      }
    },
    "nvd.nist.gov": {
      "configurations": {
        "CVE_data_version": "4.0",
        "nodes": [
          {
            "children": [],
            "cpe_match": [
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                "cpe23Uri": "cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:*",
                "cpe_name": [],
                "versionEndExcluding": "3.1",
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            ],
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            }
          ]
        },
        "problemtype": {
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            {
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                {
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                  "value": "CWE-125"
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                {
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        },
        "references": {
          "reference_data": [
            {
              "name": "[Qemu-devel] 20181103 [PATCH v2] ppc/pnv: check size before data buffer access",
              "refsource": "MLIST",
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              "url": "https://lists.gnu.org/archive/html/qemu-devel/2018-11/msg00446.html"
            },
            {
              "name": "[oss-security] 20181107 CVE-2018-18954 QEMU: ppc64: Out-of-bounds r/w stack access in pnv_lpc_do_eccb",
              "refsource": "MLIST",
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              "tags": [],
              "url": "https://seclists.org/bugtraq/2019/May/76"
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          ]
        }
      },
      "impact": {
        "baseMetricV2": {
          "acInsufInfo": false,
          "cvssV2": {
            "accessComplexity": "LOW",
            "accessVector": "LOCAL",
            "authentication": "NONE",
            "availabilityImpact": "PARTIAL",
            "baseScore": 2.1,
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "vectorString": "AV:L/AC:L/Au:N/C:N/I:N/A:P",
            "version": "2.0"
          },
          "exploitabilityScore": 3.9,
          "impactScore": 2.9,
          "obtainAllPrivilege": false,
          "obtainOtherPrivilege": false,
          "obtainUserPrivilege": false,
          "severity": "LOW",
          "userInteractionRequired": false
        },
        "baseMetricV3": {
          "cvssV3": {
            "attackComplexity": "LOW",
            "attackVector": "LOCAL",
            "availabilityImpact": "HIGH",
            "baseScore": 5.5,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.0"
          },
          "exploitabilityScore": 1.8,
          "impactScore": 3.6
        }
      },
      "lastModifiedDate": "2019-05-31T14:29Z",
      "publishedDate": "2018-11-15T20:29Z"
    }
  }
}


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