cvelistv5 - cve-2021-20236

cve-2021-20236

Vulnerability from cvelistv5

Published

2021-05-28 10:42

Modified

2024-08-03 17:37

Severity ?

Summary

A flaw was found in the ZeroMQ server in versions before 4.3.3. This flaw allows a malicious client to cause a stack buffer overflow on the server by sending crafted topic subscription requests and then unsubscribing. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability.

References

URL	Tags
secalert@redhat.com	https://bugzilla.redhat.com/show_bug.cgi?id=1921976	Issue Tracking, Third Party Advisory
secalert@redhat.com	https://github.com/zeromq/libzmq/security/advisories/GHSA-qq65-x72m-9wr8	Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108	https://bugzilla.redhat.com/show_bug.cgi?id=1921976	Issue Tracking, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108	https://github.com/zeromq/libzmq/security/advisories/GHSA-qq65-x72m-9wr8	Patch, Third Party Advisory

Impacted products

Vendor

Product

Version

▼

n/a

zeromq

Version: zeromq 4.3.3

Show details on NVD website

JSON

To clipboard

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}

gsd-2021-20236

Vulnerability from gsd

Modified

2023-12-13 01:23

Details

Aliases

CVE-2021-20236

Aliases

CVE-2021-20236

JSON

To clipboard

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    "id": "GSD-2021-20236",
    "references": [
      "https://www.suse.com/security/cve/CVE-2021-20236.html"
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            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
          },
          "exploitabilityScore": 3.9,
          "impactScore": 5.9
        }
      },
      "lastModifiedDate": "2022-08-05T15:21Z",
      "publishedDate": "2021-05-28T11:15Z"
    }
  }
}

cve-2021-20236

Vulnerability from fkie_nvd

Published

2021-05-28 11:15

Modified

2024-11-21 05:46

Severity ?

9.8 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Summary

References

URL	Tags
secalert@redhat.com	https://bugzilla.redhat.com/show_bug.cgi?id=1921976	Issue Tracking, Third Party Advisory
secalert@redhat.com	https://github.com/zeromq/libzmq/security/advisories/GHSA-qq65-x72m-9wr8	Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108	https://bugzilla.redhat.com/show_bug.cgi?id=1921976	Issue Tracking, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108	https://github.com/zeromq/libzmq/security/advisories/GHSA-qq65-x72m-9wr8	Patch, Third Party Advisory

Impacted products

Vendor	Product	Version
zeromq	zeromq	*
redhat	ceph_storage	2.0
redhat	enterprise_linux	7.0
fedoraproject	fedora	33

JSON

To clipboard

{
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:zeromq:zeromq:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "BD0413A2-9EC5-49F3-ACE6-3E5922F67FB1",
              "versionEndExcluding": "4.3.3",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    },
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:redhat:ceph_storage:2.0:*:*:*:*:*:*:*",
              "matchCriteriaId": "D07DF15E-FE6B-4DAF-99BB-2147CF7D7EEA",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*",
              "matchCriteriaId": "142AD0DD-4CF3-4D74-9442-459CE3347E3A",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    },
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*",
              "matchCriteriaId": "E460AA51-FCDA-46B9-AE97-E6676AA5E194",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "A flaw was found in the ZeroMQ server in versions before 4.3.3. This flaw allows a malicious client to cause a stack buffer overflow on the server by sending crafted topic subscription requests and then unsubscribing. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability."
    },
    {
      "lang": "es",
      "value": "Se encontr\u00f3 un fallo en el servidor ZeroMQ en versiones anteriores a 4.3.3.\u0026#xa0;Este fallo permite a un cliente malicioso causar un desbordamiento del b\u00fafer de pila en el servidor mediante el env\u00edo de peticiones de suscripci\u00f3n de temas dise\u00f1adas y luego cancelando la suscripci\u00f3n.\u0026#xa0;La mayor amenaza de esta vulnerabilidad es la confidencialidad, la integridad y la disponibilidad del sistema"
    }
  ],
  "id": "CVE-2021-20236",
  "lastModified": "2024-11-21T05:46:11.350",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "HIGH",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 7.5,
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "PARTIAL",
          "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
          "version": "2.0"
        },
        "exploitabilityScore": 10.0,
        "impactScore": 6.4,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 9.8,
          "baseSeverity": "CRITICAL",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 5.9,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2021-05-28T11:15:07.933",
  "references": [
    {
      "source": "secalert@redhat.com",
      "tags": [
        "Issue Tracking",
        "Third Party Advisory"
      ],
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1921976"
    },
    {
      "source": "secalert@redhat.com",
      "tags": [
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        "Third Party Advisory"
      ],
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    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
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      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1921976"
    },
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  ],
  "sourceIdentifier": "secalert@redhat.com",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-120"
        }
      ],
      "source": "secalert@redhat.com",
      "type": "Secondary"
    },
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-787"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}

ghsa-4j25-p3vq-p264

Vulnerability from github

Published

2022-05-24 19:03

Modified

2022-08-06 00:00

Severity ?

9.8 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Details

Show details on source website

JSON

To clipboard

{
  "affected": [],
  "aliases": [
    "CVE-2021-20236"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-787"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2021-05-28T11:15:00Z",
    "severity": "CRITICAL"
  },
  "details": "A flaw was found in the ZeroMQ server in versions before 4.3.3. This flaw allows a malicious client to cause a stack buffer overflow on the server by sending crafted topic subscription requests and then unsubscribing. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability.",
  "id": "GHSA-4j25-p3vq-p264",
  "modified": "2022-08-06T00:00:47Z",
  "published": "2022-05-24T19:03:38Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/zeromq/libzmq/security/advisories/GHSA-qq65-x72m-9wr8"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-20236"
    },
    {
      "type": "WEB",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1921976"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}

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.

Action not permitted

cve-2021-20236

Vulnerability from cvelistv5

gsd-2021-20236

Vulnerability from gsd

cve-2021-20236

Vulnerability from fkie_nvd

ghsa-4j25-p3vq-p264

Vulnerability from github

Tags

Sightings

Nomenclature