github - ghsa-7p47-wfc3-mcqv

GHSA-7P47-WFC3-MCQV

Vulnerability from github – Published: 2022-05-24 17:35 – Updated: 2022-08-07 00:00

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.

Severity ?

6.0 (Medium)


                  
                    CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H

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 (GCVE-0-2020-27821)

Vulnerability from cvelistv5 – Published: 2020-12-08 21:33 – Updated: 2024-08-04 16:25

Summary

Severity ?

No CVSS data available.

CWE

CWE-787 - >CWE-122

Assigner

redhat

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-listx_refsource_MLIST
	https://security.netapp.com/advisory/ntap-2021011…	x_refsource_CONFIRM
	https://lists.debian.org/debian-lts-announce/2022…	mailing-listx_refsource_MLIST

Impacted products

	Vendor	Product	Version
	n/a	QEMU	Affected: prior to 5.2.0

Show details on NVD website

JSON

To clipboard

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            "tags": [
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            "url": "https://security.netapp.com/advisory/ntap-20210115-0006/"
          },
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Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

Action not permitted

GHSA-7P47-WFC3-MCQV

CVE-2020-27821 (GCVE-0-2020-27821)

Tags

Sightings

Nomenclature