GSD-2021-20236

Vulnerability from gsd - Updated: 2023-12-13 01:23
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.
Aliases
Aliases
CVE-2021-20236
To clipboard 

{
  "GSD": {
    "alias": "CVE-2021-20236",
    "description": "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": "GSD-2021-20236",
    "references": [
      "https://www.suse.com/security/cve/CVE-2021-20236.html"
    ]
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
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      "id": "GSD-2021-20236",
      "modified": "2023-12-13T01:23:11.991865Z",
      "schema_version": "1.4.0"
    }
  },
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          "affected_range": "\u003c4.3.3",
          "affected_versions": "All versions before 4.3.3",
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          "fixed_versions": [
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          "identifier": "CVE-2021-20236",
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          "package_slug": "conan/zeromq",
          "pubdate": "2021-05-28",
          "solution": "Upgrade to version 4.3.3 or above.",
          "title": "Out-of-bounds Write",
          "urls": [
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            "accessVector": "NETWORK",
            "authentication": "NONE",
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        }
      },
      "lastModifiedDate": "2022-08-05T15:21Z",
      "publishedDate": "2021-05-28T11:15Z"
    }
  }
}


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  • 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.
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  • 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.



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