gsd-2023-45140
Vulnerability from gsd
Modified
2023-12-13 01:20
Details
The Bastion provides authentication, authorization, traceability and auditability for SSH accesses. SCP and SFTP plugins don't honor group-based JIT MFA. Establishing a SCP/SFTP connection through The Bastion via a group access where MFA is enforced does not ask for additional factor. This abnormal behavior only applies to per-group-based JIT MFA. Other MFA setup types, such as Immediate MFA, JIT MFA on a per-plugin basis and JIT MFA on a per-account basis are not affected. This issue has been patched in version 3.14.15.
Aliases
Aliases
CVE-2023-45140


To clipboard 

{
  "GSD": {
    "alias": "CVE-2023-45140",
    "id": "GSD-2023-45140"
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2023-45140"
      ],
      "details": "The Bastion provides authentication, authorization, traceability and auditability for SSH accesses. SCP and SFTP plugins don\u0027t honor group-based JIT MFA. Establishing a SCP/SFTP connection through The Bastion via a group access where MFA is enforced does not ask for additional factor. This abnormal behavior only applies to per-group-based JIT MFA. Other MFA setup types, such as Immediate MFA, JIT MFA on a per-plugin basis and JIT MFA on a per-account basis are not affected. This issue has been patched in version 3.14.15.",
      "id": "GSD-2023-45140",
      "modified": "2023-12-13T01:20:37.887135Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
    "cve.org": {
      "CVE_data_meta": {
        "ASSIGNER": "security-advisories@github.com",
        "ID": "CVE-2023-45140",
        "STATE": "PUBLIC"
      },
      "affects": {
        "vendor": {
          "vendor_data": [
            {
              "product": {
                "product_data": [
                  {
                    "product_name": "the-bastion",
                    "version": {
                      "version_data": [
                        {
                          "version_affected": "=",
                          "version_value": "\u003e= 3.0.0, \u003c= 3.14.0"
                        }
                      ]
                    }
                  }
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            }
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            "value": "The Bastion provides authentication, authorization, traceability and auditability for SSH accesses. SCP and SFTP plugins don\u0027t honor group-based JIT MFA. Establishing a SCP/SFTP connection through The Bastion via a group access where MFA is enforced does not ask for additional factor. This abnormal behavior only applies to per-group-based JIT MFA. Other MFA setup types, such as Immediate MFA, JIT MFA on a per-plugin basis and JIT MFA on a per-account basis are not affected. This issue has been patched in version 3.14.15."
          }
        ]
      },
      "impact": {
        "cvss": [
          {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 4.8,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "LOW",
            "integrityImpact": "LOW",
            "privilegesRequired": "HIGH",
            "scope": "CHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N",
            "version": "3.1"
          }
        ]
      },
      "problemtype": {
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            "description": [
              {
                "cweId": "CWE-306",
                "lang": "eng",
                "value": "CWE-306: Missing Authentication for Critical Function"
              }
            ]
          }
        ]
      },
      "references": {
        "reference_data": [
          {
            "name": "https://github.com/ovh/the-bastion/security/advisories/GHSA-pr4q-w883-pf5x",
            "refsource": "MISC",
            "url": "https://github.com/ovh/the-bastion/security/advisories/GHSA-pr4q-w883-pf5x"
          },
          {
            "name": "https://github.com/ovh/the-bastion/releases/tag/v3.14.15",
            "refsource": "MISC",
            "url": "https://github.com/ovh/the-bastion/releases/tag/v3.14.15"
          }
        ]
      },
      "source": {
        "advisory": "GHSA-pr4q-w883-pf5x",
        "discovery": "UNKNOWN"
      }
    },
    "nvd.nist.gov": {
      "configurations": {
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        "nodes": [
          {
            "children": [],
            "cpe_match": [
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                "cpe23Uri": "cpe:2.3:a:ovh:the-bastion:*:*:*:*:*:*:*:*",
                "cpe_name": [],
                "versionEndExcluding": "3.14.15",
                "vulnerable": true
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        "description": {
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              "value": "The Bastion provides authentication, authorization, traceability and auditability for SSH accesses. SCP and SFTP plugins don\u0027t honor group-based JIT MFA. Establishing a SCP/SFTP connection through The Bastion via a group access where MFA is enforced does not ask for additional factor. This abnormal behavior only applies to per-group-based JIT MFA. Other MFA setup types, such as Immediate MFA, JIT MFA on a per-plugin basis and JIT MFA on a per-account basis are not affected. This issue has been patched in version 3.14.15."
            }
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        "references": {
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              "refsource": "",
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                "Vendor Advisory"
              ],
              "url": "https://github.com/ovh/the-bastion/security/advisories/GHSA-pr4q-w883-pf5x"
            },
            {
              "name": "https://github.com/ovh/the-bastion/releases/tag/v3.14.15",
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              "tags": [
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              "url": "https://github.com/ovh/the-bastion/releases/tag/v3.14.15"
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      },
      "impact": {
        "baseMetricV3": {
          "cvssV3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 4.6,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "LOW",
            "integrityImpact": "LOW",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N",
            "version": "3.1"
          },
          "exploitabilityScore": 2.1,
          "impactScore": 2.5
        }
      },
      "lastModifiedDate": "2023-11-16T18:50Z",
      "publishedDate": "2023-11-08T16:15Z"
    }
  }
}


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