gsd-2018-7750
Vulnerability from gsd
Modified
2023-12-13 01:22
Details
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.
Aliases
Aliases
CVE-2018-7750


To clipboard 

{
  "GSD": {
    "alias": "CVE-2018-7750",
    "description": "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.",
    "id": "GSD-2018-7750",
    "references": [
      "https://www.suse.com/security/cve/CVE-2018-7750.html",
      "https://access.redhat.com/errata/RHSA-2018:1972",
      "https://access.redhat.com/errata/RHSA-2018:1525",
      "https://access.redhat.com/errata/RHSA-2018:1328",
      "https://access.redhat.com/errata/RHSA-2018:1274",
      "https://access.redhat.com/errata/RHSA-2018:1213",
      "https://access.redhat.com/errata/RHSA-2018:1125",
      "https://access.redhat.com/errata/RHSA-2018:1124",
      "https://access.redhat.com/errata/RHSA-2018:0646",
      "https://access.redhat.com/errata/RHSA-2018:0591",
      "https://ubuntu.com/security/CVE-2018-7750",
      "https://advisories.mageia.org/CVE-2018-7750.html",
      "https://alas.aws.amazon.com/cve/html/CVE-2018-7750.html",
      "https://linux.oracle.com/cve/CVE-2018-7750.html",
      "https://packetstormsecurity.com/files/cve/CVE-2018-7750"
    ]
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2018-7750"
      ],
      "details": "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.",
      "id": "GSD-2018-7750",
      "modified": "2023-12-13T01:22:32.976525Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
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      "CVE_data_meta": {
        "ASSIGNER": "cve@mitre.org",
        "ID": "CVE-2018-7750",
        "STATE": "PUBLIC"
      },
      "affects": {
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          "vendor_data": [
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              "product": {
                "product_data": [
                  {
                    "product_name": "n/a",
                    "version": {
                      "version_data": [
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                          "version_value": "n/a"
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              "vendor_name": "n/a"
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          }
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            "url": "https://github.com/paramiko/paramiko/blob/master/sites/www/changelog.rst"
          },
          {
            "name": "[debian-lts-announce] 20211228 [SECURITY] [DLA 2860-1] paramiko security update",
            "refsource": "MLIST",
            "url": "https://lists.debian.org/debian-lts-announce/2021/12/msg00025.html"
          }
        ]
      }
    },
    "gitlab.com": {
      "advisories": [
        {
          "affected_range": "==2.0||==2.4",
          "affected_versions": "Version 2.0, version 2.4",
          "cvss_v2": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
          "cvss_v3": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "cwe_ids": [
            "CWE-1035",
            "CWE-287",
            "CWE-937"
          ],
          "date": "2019-02-28",
          "description": "`transport.py` in the SSH server implementation of Paramiko 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.",
          "fixed_versions": [
            "2.0.0.1",
            "2.4.1.0"
          ],
          "identifier": "CVE-2018-7750",
          "identifiers": [
            "CVE-2018-7750"
          ],
          "not_impacted": "All versions before 2.0, all versions after 2.0 before 2.4, all versions after 2.4",
          "package_slug": "pypi/ansible",
          "pubdate": "2018-03-13",
          "solution": "Upgrade to versions 2.0.0.1, 2.4.1.0 or above.",
          "title": "Improper Authentication",
          "urls": [
            "https://nvd.nist.gov/vuln/detail/CVE-2018-7750",
            "http://www.securityfocus.com/bid/103713",
            "https://github.com/paramiko/paramiko/issues/1175",
            "https://www.exploit-db.com/exploits/45712/"
          ],
          "uuid": "ca95b0ce-5a90-4b29-9218-983694dd86fa"
        },
        {
          "affected_range": "\u003c1.17.6||\u003e=1.18.0,\u003c1.18.5||\u003e=2.0.0,\u003c2.0.8||\u003e=2.1.0,\u003c2.1.5||\u003e=2.2.0,\u003c2.2.3||\u003e=2.3.0,\u003c2.3.2||==2.4.0",
          "affected_versions": "All versions before 1.17.6, all versions starting from 1.18.0 before 1.18.5, all versions starting from 2.0.0 before 2.0.8, all versions starting from 2.1.0 before 2.1.5, all versions starting from 2.2.0 before 2.2.3, all versions starting from 2.3.0 before 2.3.2, version 2.4.0",
          "cvss_v2": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
          "cvss_v3": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "cwe_ids": [
            "CWE-1035",
            "CWE-287",
            "CWE-937"
          ],
          "date": "2019-02-28",
          "description": "`transport.py` in the SSH server implementation of Paramiko does not properly check whether authentication is completed before processing other requests. A customized SSH client can simply skip the authentication step.",
          "fixed_versions": [
            "1.17.6",
            "1.18.5",
            "2.0.8",
            "2.1.5",
            "2.2.3",
            "2.3.2",
            "2.4.1"
          ],
          "identifier": "CVE-2018-7750",
          "identifiers": [
            "CVE-2018-7750"
          ],
          "not_impacted": "All versions starting from 1.17.6 before 1.18.0, all versions starting from 1.18.5 before 2.0.0, all versions starting from 2.0.8 before 2.1.0, all versions starting from 2.1.5 before 2.2.0, all versions starting from 2.2.3 before 2.3.0, all versions starting from 2.3.2 before 2.4.0, all versions after 2.4.0",
          "package_slug": "pypi/paramiko",
          "pubdate": "2018-03-13",
          "solution": "Upgrade to versions 1.17.6, 1.18.5, 2.0.8, 2.1.5, 2.2.3, 2.3.2, 2.4.1 or above.",
          "title": "Improper Authentication",
          "urls": [
            "https://nvd.nist.gov/vuln/detail/CVE-2018-7750",
            "http://www.securityfocus.com/bid/103713",
            "https://github.com/paramiko/paramiko/issues/1175",
            "https://www.exploit-db.com/exploits/45712/"
          ],
          "uuid": "f8c6ffd1-df1e-4813-8fb2-80ad826e76ea"
        }
      ]
    },
    "nvd.nist.gov": {
      "configurations": {
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                "cpe23Uri": "cpe:2.3:a:paramiko:paramiko:*:*:*:*:*:*:*:*",
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              "url": "https://access.redhat.com/errata/RHSA-2018:1525"
            },
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              "name": "RHSA-2018:1972",
              "refsource": "REDHAT",
              "tags": [
                "Third Party Advisory"
              ],
              "url": "https://access.redhat.com/errata/RHSA-2018:1972"
            },
            {
              "name": "[debian-lts-announce] 20181027 [SECURITY] [DLA 1556-1] paramiko security update",
              "refsource": "MLIST",
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              "name": "[debian-lts-announce] 20211228 [SECURITY] [DLA 2860-1] paramiko security update",
              "refsource": "MLIST",
              "tags": [
                "Mailing List",
                "Third Party Advisory"
              ],
              "url": "https://lists.debian.org/debian-lts-announce/2021/12/msg00025.html"
            }
          ]
        }
      },
      "impact": {
        "baseMetricV2": {
          "acInsufInfo": false,
          "cvssV2": {
            "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,
          "severity": "HIGH",
          "userInteractionRequired": false
        },
        "baseMetricV3": {
          "cvssV3": {
            "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
        }
      },
      "lastModifiedDate": "2022-04-18T17:30Z",
      "publishedDate": "2018-03-13T18:29Z"
    }
  }
}


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  • Not confirmed: The user expresses doubt about the veracity of the vulnerability.
  • Not patched: This vulnerability was not successfully patched by the user reporting the sighting.