gsd-2020-35505
Vulnerability from gsd
Modified
2023-12-13 01:22
Details
A NULL pointer dereference flaw was found in the am53c974 SCSI host bus adapter emulation of QEMU in versions before 6.0.0. This issue occurs while handling the 'Information Transfer' command. This flaw allows a privileged guest user to crash the QEMU process on the host, resulting in a denial of service. The highest threat from this vulnerability is to system availability.
Aliases
Aliases
CVE-2020-35505


To clipboard 

{
  "GSD": {
    "alias": "CVE-2020-35505",
    "description": "A NULL pointer dereference flaw was found in the am53c974 SCSI host bus adapter emulation of QEMU in versions before 6.0.0. This issue occurs while handling the \u0027Information Transfer\u0027 command. This flaw allows a privileged guest user to crash the QEMU process on the host, resulting in a denial of service. The highest threat from this vulnerability is to system availability.",
    "id": "GSD-2020-35505",
    "references": [
      "https://www.suse.com/security/cve/CVE-2020-35505.html",
      "https://ubuntu.com/security/CVE-2020-35505",
      "https://security.archlinux.org/CVE-2020-35505"
    ]
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2020-35505"
      ],
      "details": "A NULL pointer dereference flaw was found in the am53c974 SCSI host bus adapter emulation of QEMU in versions before 6.0.0. This issue occurs while handling the \u0027Information Transfer\u0027 command. This flaw allows a privileged guest user to crash the QEMU process on the host, resulting in a denial of service. The highest threat from this vulnerability is to system availability.",
      "id": "GSD-2020-35505",
      "modified": "2023-12-13T01:22:00.556282Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
    "cve.org": {
      "CVE_data_meta": {
        "ASSIGNER": "secalert@redhat.com",
        "ID": "CVE-2020-35505",
        "STATE": "PUBLIC"
      },
      "affects": {
        "vendor": {
          "vendor_data": [
            {
              "product": {
                "product_data": [
                  {
                    "product_name": "QEMU",
                    "version": {
                      "version_data": [
                        {
                          "version_value": "qemu 6.0.0"
                        }
                      ]
                    }
                  }
                ]
              },
              "vendor_name": "n/a"
            }
          ]
        }
      },
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          }
        ]
      },
      "problemtype": {
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                "value": "CWE-476"
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      "references": {
        "reference_data": [
          {
            "name": "[oss-security] 20210416 QEMU: ESP security fixes",
            "refsource": "MLIST",
            "url": "http://www.openwall.com/lists/oss-security/2021/04/16/3"
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            "refsource": "MISC",
            "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1909769"
          },
          {
            "name": "https://security.netapp.com/advisory/ntap-20210713-0006/",
            "refsource": "CONFIRM",
            "url": "https://security.netapp.com/advisory/ntap-20210713-0006/"
          },
          {
            "name": "GLSA-202208-27",
            "refsource": "GENTOO",
            "url": "https://security.gentoo.org/glsa/202208-27"
          },
          {
            "name": "[debian-lts-announce] 20220905 [SECURITY] [DLA 3099-1] qemu security update",
            "refsource": "MLIST",
            "url": "https://lists.debian.org/debian-lts-announce/2022/09/msg00008.html"
          }
        ]
      }
    },
    "nvd.nist.gov": {
      "configurations": {
        "CVE_data_version": "4.0",
        "nodes": [
          {
            "children": [],
            "cpe_match": [
              {
                "cpe23Uri": "cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:*",
                "cpe_name": [],
                "versionEndExcluding": "6.0.0",
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:a:qemu:qemu:6.0.0:rc2:*:*:*:*:*:*",
                "cpe_name": [],
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:a:qemu:qemu:6.0.0:rc1:*:*:*:*:*:*",
                "cpe_name": [],
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              }
            ],
            "operator": "OR"
          },
          {
            "children": [],
            "cpe_match": [
              {
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                "cpe_name": [],
                "vulnerable": true
              }
            ],
            "operator": "OR"
          }
        ]
      },
      "cve": {
        "CVE_data_meta": {
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          "ID": "CVE-2020-35505"
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        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
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              "value": "A NULL pointer dereference flaw was found in the am53c974 SCSI host bus adapter emulation of QEMU in versions before 6.0.0. This issue occurs while handling the \u0027Information Transfer\u0027 command. This flaw allows a privileged guest user to crash the QEMU process on the host, resulting in a denial of service. The highest threat from this vulnerability is to system availability."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "en",
                  "value": "CWE-476"
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              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "[oss-security] 20210416 QEMU: ESP security fixes",
              "refsource": "MLIST",
              "tags": [
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                "Third Party Advisory"
              ],
              "url": "http://www.openwall.com/lists/oss-security/2021/04/16/3"
            },
            {
              "name": "https://www.openwall.com/lists/oss-security/2021/04/16/3",
              "refsource": "MISC",
              "tags": [
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            },
            {
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              "tags": [
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              ],
              "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1909769"
            },
            {
              "name": "https://security.netapp.com/advisory/ntap-20210713-0006/",
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              "tags": [
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              "url": "https://security.netapp.com/advisory/ntap-20210713-0006/"
            },
            {
              "name": "GLSA-202208-27",
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              "tags": [
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              ],
              "url": "https://security.gentoo.org/glsa/202208-27"
            },
            {
              "name": "[debian-lts-announce] 20220905 [SECURITY] [DLA 3099-1] qemu security update",
              "refsource": "MLIST",
              "tags": [
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                "Third Party Advisory"
              ],
              "url": "https://lists.debian.org/debian-lts-announce/2022/09/msg00008.html"
            }
          ]
        }
      },
      "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": 4.4,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "HIGH",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
          },
          "exploitabilityScore": 0.8,
          "impactScore": 3.6
        }
      },
      "lastModifiedDate": "2022-09-22T21:03Z",
      "publishedDate": "2021-05-28T11:15Z"
    }
  }
}


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