fkie_cve-2021-22945
Vulnerability from fkie_nvd
Published
2021-09-23 13:15
Modified
2024-11-21 05:50
Severity ?
Summary
When sending data to an MQTT server, libcurl <= 7.73.0 and 7.78.0 could in some circumstances erroneously keep a pointer to an already freed memory area and both use that again in a subsequent call to send data and also free it *again*.
References
support@hackerone.comhttp://seclists.org/fulldisclosure/2022/Mar/29Mailing List, Third Party Advisory
support@hackerone.comhttps://cert-portal.siemens.com/productcert/pdf/ssa-389290.pdfPatch, Third Party Advisory
support@hackerone.comhttps://hackerone.com/reports/1269242Exploit, Patch, Third Party Advisory
support@hackerone.comhttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/APOAK4X73EJTAPTSVT7IRVDMUWVXNWGD/Mailing List, Third Party Advisory
support@hackerone.comhttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RWLEC6YVEM2HWUBX67SDGPSY4CQB72OE/Mailing List, Third Party Advisory
support@hackerone.comhttps://security.gentoo.org/glsa/202212-01Third Party Advisory
support@hackerone.comhttps://security.netapp.com/advisory/ntap-20211029-0003/Third Party Advisory
support@hackerone.comhttps://support.apple.com/kb/HT213183Third Party Advisory
support@hackerone.comhttps://www.debian.org/security/2022/dsa-5197Third Party Advisory
support@hackerone.comhttps://www.oracle.com/security-alerts/cpuoct2021.htmlPatch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://seclists.org/fulldisclosure/2022/Mar/29Mailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://cert-portal.siemens.com/productcert/pdf/ssa-389290.pdfPatch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://hackerone.com/reports/1269242Exploit, Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/APOAK4X73EJTAPTSVT7IRVDMUWVXNWGD/Mailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RWLEC6YVEM2HWUBX67SDGPSY4CQB72OE/Mailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://security.gentoo.org/glsa/202212-01Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://security.netapp.com/advisory/ntap-20211029-0003/Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://support.apple.com/kb/HT213183Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.debian.org/security/2022/dsa-5197Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.oracle.com/security-alerts/cpuoct2021.htmlPatch, Third Party Advisory



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  "cveTags": [],
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      "lang": "en",
      "value": "When sending data to an MQTT server, libcurl \u003c= 7.73.0 and 7.78.0 could in some circumstances erroneously keep a pointer to an already freed memory area and both use that again in a subsequent call to send data and also free it *again*."
    },
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      "lang": "es",
      "value": "Cuando se env\u00edan datos a un servidor MQTT, libcurl versiones anteriores a 7.73.0, incluy\u00e9ndola y 7.78.0, podr\u00eda en algunas circunstancias, mantener err\u00f3neamente un puntero a un \u00e1rea de memoria ya liberada y usarlo de nuevo en una llamada posterior para enviar datos y tambi\u00e9n liberarlo *de nuevo*"
    }
  ],
  "id": "CVE-2021-22945",
  "lastModified": "2024-11-21T05:50:59.420",
  "metrics": {
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        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
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          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 5.8,
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "NONE",
          "vectorString": "AV:N/AC:M/Au:N/C:P/I:N/A:P",
          "version": "2.0"
        },
        "exploitabilityScore": 8.6,
        "impactScore": 4.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
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          "baseScore": 9.1,
          "baseSeverity": "CRITICAL",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H",
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        "source": "nvd@nist.gov",
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  "published": "2021-09-23T13:15:08.690",
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  ],
  "sourceIdentifier": "support@hackerone.com",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-415"
        }
      ],
      "source": "support@hackerone.com",
      "type": "Secondary"
    },
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-415"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}


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