FKIE_CVE-2021-26530

Vulnerability from fkie_nvd - Published: 2021-02-08 21:15 - Updated: 2024-11-21 05:56
Severity ?
9.1 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
Summary
The mg_tls_init function in Cesanta Mongoose HTTPS server 7.0 (compiled with OpenSSL support) is vulnerable to remote OOB write attack via connection request after exhausting memory pool.
References
cve@mitre.orghttps://github.com/cesanta/mongoose/issues/1204Exploit, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/cesanta/mongoose/issues/1204Exploit, Third Party Advisory
Impacted products
Vendor Product Version
cesanta mongoose 7.0
To clipboard 

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              "criteria": "cpe:2.3:a:cesanta:mongoose:7.0:*:*:*:*:*:*:*",
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  "descriptions": [
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      "lang": "en",
      "value": "The mg_tls_init function in Cesanta Mongoose HTTPS server 7.0 (compiled with OpenSSL support) is vulnerable to remote OOB write attack via connection request after exhausting memory pool."
    },
    {
      "lang": "es",
      "value": "La funci\u00f3n mg_tls_init en el servidor Cesanta Mongoose HTTPS versi\u00f3n 7.0 (compilado con soporte OpenSSL) es vulnerable  a un ataque de escritura OOB remota por medio de una petici\u00f3n de conexi\u00f3n despu\u00e9s de agotar el grupo de memoria"
    }
  ],
  "id": "CVE-2021-26530",
  "lastModified": "2024-11-21T05:56:26.380",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 6.4,
          "confidentialityImpact": "NONE",
          "integrityImpact": "PARTIAL",
          "vectorString": "AV:N/AC:L/Au:N/C:N/I:P/A:P",
          "version": "2.0"
        },
        "exploitabilityScore": 10.0,
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        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
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    "cvssMetricV31": [
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          "baseSeverity": "CRITICAL",
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  "published": "2021-02-08T21:15:13.803",
  "references": [
    {
      "source": "cve@mitre.org",
      "tags": [
        "Exploit",
        "Third Party Advisory"
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      "url": "https://github.com/cesanta/mongoose/issues/1204"
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  "sourceIdentifier": "cve@mitre.org",
  "vulnStatus": "Modified",
  "weaknesses": [
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          "lang": "en",
          "value": "CWE-787"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
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  ]
}


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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

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.