GSD-2023-42818

Vulnerability from gsd - Updated: 2023-12-13 01:20
Details
JumpServer is an open source bastion host. When users enable MFA and use a public key for authentication, the Koko SSH server does not verify the corresponding SSH private key. An attacker could exploit a vulnerability by utilizing a disclosed public key to attempt brute-force authentication against the SSH service This issue has been patched in versions 3.6.5 and 3.5.6. Users are advised to upgrade. There are no known workarounds for this issue.
Aliases
Aliases
CVE-2023-42818
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{
  "GSD": {
    "alias": "CVE-2023-42818",
    "id": "GSD-2023-42818"
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2023-42818"
      ],
      "details": "JumpServer is an open source bastion host. When users enable MFA and use a public key for authentication, the Koko SSH server does not verify the corresponding SSH private key. An attacker could exploit a vulnerability by utilizing a disclosed public key to attempt brute-force authentication against the SSH service This issue has been patched in versions 3.6.5 and 3.5.6. Users are advised to upgrade. There are no known workarounds for this issue.",
      "id": "GSD-2023-42818",
      "modified": "2023-12-13T01:20:21.915997Z",
      "schema_version": "1.4.0"
    }
  },
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                    "version": {
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                          "version_value": "\u003e= 3.6.0, \u003c 3.6.5"
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          }
        ]
      },
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            "baseScore": 5.4,
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            "scope": "UNCHANGED",
            "userInteraction": "REQUIRED",
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                "cweId": "CWE-287",
                "lang": "eng",
                "value": "CWE-287: Improper Authentication"
              }
            ]
          }
        ]
      },
      "references": {
        "reference_data": [
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            "name": "https://github.com/jumpserver/jumpserver/security/advisories/GHSA-jv3c-27cv-w8jv",
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        "discovery": "UNKNOWN"
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        "nodes": [
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                "cpe_name": [],
                "versionEndExcluding": "3.6.5",
                "versionStartIncluding": "3.6.0",
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            }
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            "confidentialityImpact": "HIGH",
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            "privilegesRequired": "NONE",
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            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
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          "impactScore": 5.9
        }
      },
      "lastModifiedDate": "2023-10-02T19:59Z",
      "publishedDate": "2023-09-27T21:15Z"
    }
  }
}


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  • 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.
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  • 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.



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