github - ghsa-7p47-wfc3-mcqv

ghsa-7p47-wfc3-mcqv

Vulnerability from github

Published

2022-05-24 17:35

Modified

2022-08-07 00:00

Severity ?

6.0 (Medium) - CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H

Details

A flaw was found in the memory management API of QEMU during the initialization of a memory region cache. This issue could lead to an out-of-bounds write access to the MSI-X table while performing MMIO operations. A guest user may abuse this flaw to crash the QEMU process on the host, resulting in a denial of service. This flaw affects QEMU versions prior to 5.2.0.

Show details on source website

JSON

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{
  "affected": [],
  "aliases": [
    "CVE-2020-27821"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-787"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2020-12-08T22:15:00Z",
    "severity": "MODERATE"
  },
  "details": "A flaw was found in the memory management API of QEMU during the initialization of a memory region cache. This issue could lead to an out-of-bounds write access to the MSI-X table while performing MMIO operations. A guest user may abuse this flaw to crash the QEMU process on the host, resulting in a denial of service. This flaw affects QEMU versions prior to 5.2.0.",
  "id": "GHSA-7p47-wfc3-mcqv",
  "modified": "2022-08-07T00:00:29Z",
  "published": "2022-05-24T17:35:40Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2020-27821"
    },
    {
      "type": "WEB",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1902651"
    },
    {
      "type": "WEB",
      "url": "https://lists.debian.org/debian-lts-announce/2022/09/msg00008.html"
    },
    {
      "type": "WEB",
      "url": "https://security.netapp.com/advisory/ntap-20210115-0006"
    },
    {
      "type": "WEB",
      "url": "http://www.openwall.com/lists/oss-security/2020/12/16/6"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ]
}

cve-2020-27821

Vulnerability from cvelistv5

Published

2020-12-08 21:33

Modified

2024-08-04 16:25

Severity ?

Summary

References

▼	URL	Tags
	https://bugzilla.redhat.com/show_bug.cgi?id=1902651	x_refsource_MISC
	http://www.openwall.com/lists/oss-security/2020/12/16/6	mailing-list, x_refsource_MLIST
	https://security.netapp.com/advisory/ntap-20210115-0006/	x_refsource_CONFIRM
	https://lists.debian.org/debian-lts-announce/2022/09/msg00008.html	mailing-list, x_refsource_MLIST

Impacted products

▼	Vendor	Product
	n/a	QEMU

Show details on NVD website

JSON

To clipboard

{
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      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T16:25:42.445Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
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        },
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              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1902651"
          },
          {
            "name": "[oss-security] 20201216 CVE-2020-27821 QEMU: heap buffer overflow in msix_table_mmio_write() in hw/pci/msix.c",
            "tags": [
              "mailing-list",
              "x_refsource_MLIST",
              "x_transferred"
            ],
            "url": "http://www.openwall.com/lists/oss-security/2020/12/16/6"
          },
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://security.netapp.com/advisory/ntap-20210115-0006/"
          },
          {
            "name": "[debian-lts-announce] 20220905 [SECURITY] [DLA 3099-1] qemu security update",
            "tags": [
              "mailing-list",
              "x_refsource_MLIST",
              "x_transferred"
            ],
            "url": "https://lists.debian.org/debian-lts-announce/2022/09/msg00008.html"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "QEMU",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "prior to 5.2.0"
            }
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      "descriptions": [
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          "lang": "en",
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        }
      ],
      "problemTypes": [
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              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2022-09-05T05:06:30",
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          "url": "http://www.openwall.com/lists/oss-security/2020/12/16/6"
        },
        {
          "tags": [
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          ],
          "url": "https://security.netapp.com/advisory/ntap-20210115-0006/"
        },
        {
          "name": "[debian-lts-announce] 20220905 [SECURITY] [DLA 3099-1] qemu security update",
          "tags": [
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            "x_refsource_MLIST"
          ],
          "url": "https://lists.debian.org/debian-lts-announce/2022/09/msg00008.html"
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                "product": {
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                    {
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                      "version": {
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                          {
                            "version_value": "prior to 5.2.0"
                          }
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                      }
                    }
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                "vendor_name": "n/a"
              }
            ]
          }
        },
        "data_format": "MITRE",
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            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
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            },
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    "datePublished": "2020-12-08T21:33:02",
    "dateReserved": "2020-10-27T00:00:00",
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  },
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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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