ghsa-4j25-p3vq-p264
Vulnerability from github
Published
2022-05-24 19:03
Modified
2022-08-06 00:00
Severity ?
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.

Show details on source website


{
  "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"
    }
  ]
}


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