FKIE_CVE-2018-7750

Vulnerability from fkie_nvd - Published: 2018-03-13 18:29 - Updated: 2024-11-21 04:12
Severity ?
9.8 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Summary
transport.py in the SSH server implementation of Paramiko before 1.17.6, 1.18.x before 1.18.5, 2.0.x before 2.0.8, 2.1.x before 2.1.5, 2.2.x before 2.2.3, 2.3.x before 2.3.2, and 2.4.x before 2.4.1 does not properly check whether authentication is completed before processing other requests, as demonstrated by channel-open. A customized SSH client can simply skip the authentication step.
References
cve@mitre.orghttp://www.securityfocus.com/bid/103713Third Party Advisory, VDB Entry
cve@mitre.orghttps://access.redhat.com/errata/RHSA-2018:0591Third Party Advisory
cve@mitre.orghttps://access.redhat.com/errata/RHSA-2018:0646Third Party Advisory
cve@mitre.orghttps://access.redhat.com/errata/RHSA-2018:1124Third Party Advisory
cve@mitre.orghttps://access.redhat.com/errata/RHSA-2018:1125Third Party Advisory
cve@mitre.orghttps://access.redhat.com/errata/RHSA-2018:1213Third Party Advisory
cve@mitre.orghttps://access.redhat.com/errata/RHSA-2018:1274Third Party Advisory
cve@mitre.orghttps://access.redhat.com/errata/RHSA-2018:1328Third Party Advisory
cve@mitre.orghttps://access.redhat.com/errata/RHSA-2018:1525Third Party Advisory
cve@mitre.orghttps://access.redhat.com/errata/RHSA-2018:1972Third Party Advisory
cve@mitre.orghttps://github.com/paramiko/paramiko/blob/master/sites/www/changelog.rstThird Party Advisory
cve@mitre.orghttps://github.com/paramiko/paramiko/commit/fa29bd8446c8eab237f5187d28787727b4610516Patch, Third Party Advisory
cve@mitre.orghttps://github.com/paramiko/paramiko/issues/1175Issue Tracking, Third Party Advisory
cve@mitre.orghttps://lists.debian.org/debian-lts-announce/2018/10/msg00018.htmlMailing List, Third Party Advisory
cve@mitre.orghttps://lists.debian.org/debian-lts-announce/2021/12/msg00025.htmlMailing List, Third Party Advisory
cve@mitre.orghttps://usn.ubuntu.com/3603-1/Third Party Advisory
cve@mitre.orghttps://usn.ubuntu.com/3603-2/Third Party Advisory
cve@mitre.orghttps://www.exploit-db.com/exploits/45712/Exploit, Third Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/103713Third Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/errata/RHSA-2018:0591Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/errata/RHSA-2018:0646Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/errata/RHSA-2018:1124Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/errata/RHSA-2018:1125Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/errata/RHSA-2018:1213Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/errata/RHSA-2018:1274Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/errata/RHSA-2018:1328Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/errata/RHSA-2018:1525Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/errata/RHSA-2018:1972Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/paramiko/paramiko/blob/master/sites/www/changelog.rstThird Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/paramiko/paramiko/commit/fa29bd8446c8eab237f5187d28787727b4610516Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/paramiko/paramiko/issues/1175Issue Tracking, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2018/10/msg00018.htmlMailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2021/12/msg00025.htmlMailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://usn.ubuntu.com/3603-1/Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://usn.ubuntu.com/3603-2/Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://www.exploit-db.com/exploits/45712/Exploit, Third Party Advisory, VDB Entry
Impacted products
Vendor Product Version
paramiko paramiko *
paramiko paramiko *
paramiko paramiko *
paramiko paramiko *
paramiko paramiko *
paramiko paramiko *
paramiko paramiko 2.4.0
redhat ansible_engine 2.0
redhat ansible_engine 2.4
redhat cloudforms 4.5
redhat cloudforms 4.6
redhat virtualization 4.1
redhat enterprise_linux_desktop 6.0
redhat enterprise_linux_server 6.0
redhat enterprise_linux_server 7.0
redhat enterprise_linux_server_aus 6.4
redhat enterprise_linux_server_aus 6.5
redhat enterprise_linux_server_aus 6.6
redhat enterprise_linux_server_eus 6.7
redhat enterprise_linux_server_tus 6.6
redhat enterprise_linux_workstation 6.0
debian debian_linux 8.0
debian debian_linux 9.0
To clipboard 

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  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "transport.py in the SSH server implementation of Paramiko before 1.17.6, 1.18.x before 1.18.5, 2.0.x before 2.0.8, 2.1.x before 2.1.5, 2.2.x before 2.2.3, 2.3.x before 2.3.2, and 2.4.x before 2.4.1 does not properly check whether authentication is completed before processing other requests, as demonstrated by channel-open. A customized SSH client can simply skip the authentication step."
    },
    {
      "lang": "es",
      "value": "transport.py en la implementaci\u00f3n del servidor SSH de Paramiko, en versiones anteriores a la 1.17.6; versiones 1.18.x anteriores a la 1.18.5; versiones 2.0.x anteriores a la 2.0.8; versiones 2.1.x anteriores a la 2.1.5; versiones 2.2.x anteriores a la 2.2.3; versiones 2.3.x anteriores a la 2.3.2 y versiones 2.4.x anteriores a la 2.4.1, no comprueba adecuadamente si la autenticaci\u00f3n se ha completado antes de procesar otras peticiones, tal y como demuestra channel-open. Un cliente SSH personalizado puede simplemente omitir el paso de autenticaci\u00f3n."
    }
  ],
  "id": "CVE-2018-7750",
  "lastModified": "2024-11-21T04:12:39.650",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "HIGH",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 7.5,
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "PARTIAL",
          "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
          "version": "2.0"
        },
        "exploitabilityScore": 10.0,
        "impactScore": 6.4,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 9.8,
          "baseSeverity": "CRITICAL",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 5.9,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2018-03-13T18:29:00.303",
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        "VDB Entry"
      ],
      "url": "https://www.exploit-db.com/exploits/45712/"
    }
  ],
  "sourceIdentifier": "cve@mitre.org",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-287"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}


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Tags
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.