FKIE_CVE-2020-7463

Vulnerability from fkie_nvd - Published: 2021-03-26 21:15 - Updated: 2024-11-21 05:37
Severity ?
5.5 (Medium) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Summary
In FreeBSD 12.1-STABLE before r364644, 11.4-STABLE before r364651, 12.1-RELEASE before p9, 11.4-RELEASE before p3, and 11.3-RELEASE before p13, improper handling in the kernel causes a use-after-free bug by sending large user messages from multiple threads on the same SCTP socket. The use-after-free situation may result in unintended kernel behaviour including a kernel panic.
References
secteam@freebsd.orghttp://seclists.org/fulldisclosure/2021/Apr/49Mailing List, Third Party Advisory
secteam@freebsd.orghttp://seclists.org/fulldisclosure/2021/Apr/50Mailing List, Third Party Advisory
secteam@freebsd.orghttp://seclists.org/fulldisclosure/2021/Apr/57Mailing List, Third Party Advisory
secteam@freebsd.orghttp://seclists.org/fulldisclosure/2021/Apr/58Mailing List, Third Party Advisory
secteam@freebsd.orghttp://seclists.org/fulldisclosure/2021/Apr/59Mailing List, Third Party Advisory
secteam@freebsd.orghttps://security.FreeBSD.org/advisories/FreeBSD-SA-20:25.sctp.ascVendor Advisory
secteam@freebsd.orghttps://support.apple.com/kb/HT212317Third Party Advisory
secteam@freebsd.orghttps://support.apple.com/kb/HT212318Third Party Advisory
secteam@freebsd.orghttps://support.apple.com/kb/HT212319Third Party Advisory
secteam@freebsd.orghttps://support.apple.com/kb/HT212321Third Party Advisory
secteam@freebsd.orghttps://support.apple.com/kb/HT212323Third Party Advisory
secteam@freebsd.orghttps://support.apple.com/kb/HT212324Third Party Advisory
secteam@freebsd.orghttps://support.apple.com/kb/HT212325Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://seclists.org/fulldisclosure/2021/Apr/49Mailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://seclists.org/fulldisclosure/2021/Apr/50Mailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://seclists.org/fulldisclosure/2021/Apr/57Mailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://seclists.org/fulldisclosure/2021/Apr/58Mailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://seclists.org/fulldisclosure/2021/Apr/59Mailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://security.FreeBSD.org/advisories/FreeBSD-SA-20:25.sctp.ascVendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://support.apple.com/kb/HT212317Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://support.apple.com/kb/HT212318Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://support.apple.com/kb/HT212319Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://support.apple.com/kb/HT212321Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://support.apple.com/kb/HT212323Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://support.apple.com/kb/HT212324Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://support.apple.com/kb/HT212325Third Party Advisory
Impacted products
Vendor Product Version
freebsd freebsd 11.3
freebsd freebsd 11.3
freebsd freebsd 11.3
freebsd freebsd 11.3
freebsd freebsd 11.3
freebsd freebsd 11.3
freebsd freebsd 11.3
freebsd freebsd 11.3
freebsd freebsd 11.3
freebsd freebsd 11.3
freebsd freebsd 11.3
freebsd freebsd 11.3
freebsd freebsd 11.3
freebsd freebsd 11.4
freebsd freebsd 11.4
freebsd freebsd 11.4
freebsd freebsd 12.1
freebsd freebsd 12.1
freebsd freebsd 12.1
freebsd freebsd 12.1
freebsd freebsd 12.1
freebsd freebsd 12.1
freebsd freebsd 12.1
freebsd freebsd 12.1
freebsd freebsd 12.1
freebsd freebsd 12.2
apple icloud *
apple itunes *
apple safari *
apple ipados *
apple iphone_os *
apple macos *
apple tvos *
apple watchos *
To clipboard 

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  "cveTags": [],
  "descriptions": [
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      "value": "In FreeBSD 12.1-STABLE before r364644, 11.4-STABLE before r364651, 12.1-RELEASE before p9, 11.4-RELEASE before p3, and 11.3-RELEASE before p13, improper handling in the kernel causes a use-after-free bug by sending large user messages from multiple threads on the same SCTP socket. The use-after-free situation may result in unintended kernel behaviour including a kernel panic."
    },
    {
      "lang": "es",
      "value": "En FreeBSD versiones 12.1-STABLE anteriores a r364644, 11.4-STABLE anteriores a r364651, 12.1-RELEASE anteriores a p9, 11.4-RELEASE anteriores a p3 y 11.3-RELEASE anteriores a p13, el manejo inapropiado en el kernel causa un bug de uso de la memoria previamente liberada mediante el env\u00edo de mensajes de usuario grandes de m\u00faltiples subprocesos en el mismo socket SCTP.\u0026#xa0;La situaci\u00f3n del uso de la memoria previamente liberada puede resultar en un comportamiento del kernel no deseado, incluyendo un p\u00e1nico del kernel."
    }
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  "id": "CVE-2020-7463",
  "lastModified": "2024-11-21T05:37:11.690",
  "metrics": {
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        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
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          "accessVector": "LOCAL",
          "authentication": "NONE",
          "availabilityImpact": "COMPLETE",
          "baseScore": 4.9,
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "vectorString": "AV:L/AC:L/Au:N/C:N/I:N/A:C",
          "version": "2.0"
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        "exploitabilityScore": 3.9,
        "impactScore": 6.9,
        "obtainAllPrivilege": false,
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        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
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          "baseScore": 5.5,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "NONE",
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        "source": "nvd@nist.gov",
        "type": "Primary"
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  "published": "2021-03-26T21:15:13.193",
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  "sourceIdentifier": "secteam@freebsd.org",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-416"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}


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Taxonomy of the tags.




Sightings

Author Source Type Date

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.