ssa-853866
Vulnerability from csaf_siemens
Published
2021-04-13 00:00
Modified
2021-04-13 00:00
Summary
SSA-853866: User Credentials Disclosure Vulnerability in Siveillance Video Open Network Bridge (ONVIF)

Notes

Summary
Siemens has released hotfixes for Siveillance Video Open Network Bridge (ONVIF) which fix a security vulnerability related to unsecure storage of ONVIF user credentials. The vulnerability could allow an authenticated remote attacker to retrieve and decrypt all user credentials stored on the ONVIF server. Siemens recommends to apply the hotfixes at the earliest opportunity. See also the chapter Additional Information, how to apply the hotfix.
General Recommendations
As a general security measure Siemens strongly recommends to protect network access to affected products with appropriate mechanisms. It is advised to follow recommended security practices in order to run the devices in a protected IT environment.
Additional Resources
For further inquiries on security vulnerabilities in Siemens products and solutions, please contact the Siemens ProductCERT: https://www.siemens.com/cert/advisories
Terms of Use
Siemens Security Advisories are subject to the terms and conditions contained in Siemens' underlying license terms or other applicable agreements previously agreed to with Siemens (hereinafter "License Terms"). To the extent applicable to information, software or documentation made available in or through a Siemens Security Advisory, the Terms of Use of Siemens' Global Website (https://www.siemens.com/terms_of_use, hereinafter "Terms of Use"), in particular Sections 8-10 of the Terms of Use, shall apply additionally. In case of conflicts, the License Terms shall prevail over the Terms of Use.


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{
  "document": {
    "acknowledgments": [
      {
        "organization": "Milestone PSIRT",
        "summary": "reporting and coordinated disclosure"
      }
    ],
    "category": "Siemens Security Advisory",
    "csaf_version": "2.0",
    "distribution": {
      "text": "Disclosure is not limited.",
      "tlp": {
        "label": "WHITE"
      }
    },
    "notes": [
      {
        "category": "summary",
        "text": "Siemens has released hotfixes for Siveillance Video Open Network Bridge (ONVIF) which fix a security vulnerability related to unsecure storage of ONVIF user credentials. The vulnerability could allow an authenticated remote attacker to retrieve and decrypt all user credentials stored on the ONVIF server.\n\nSiemens recommends to apply the hotfixes at the earliest opportunity. See also the chapter Additional Information, how to apply the hotfix.",
        "title": "Summary"
      },
      {
        "category": "general",
        "text": "As a general security measure Siemens strongly recommends to protect network access to affected products with appropriate mechanisms. It is advised to follow recommended security practices in order to run the devices in a protected IT environment.",
        "title": "General Recommendations"
      },
      {
        "category": "general",
        "text": "For further inquiries on security vulnerabilities in Siemens products and solutions, please contact the Siemens ProductCERT: https://www.siemens.com/cert/advisories",
        "title": "Additional Resources"
      },
      {
        "category": "legal_disclaimer",
        "text": "Siemens Security Advisories are subject to the terms and conditions contained in Siemens\u0027 underlying license terms or other applicable agreements previously agreed to with Siemens (hereinafter \"License Terms\"). To the extent applicable to information, software or documentation made available in or through a Siemens Security Advisory, the Terms of Use of Siemens\u0027 Global Website (https://www.siemens.com/terms_of_use, hereinafter \"Terms of Use\"), in particular Sections 8-10 of the Terms of Use, shall apply additionally. In case of conflicts, the License Terms shall prevail over the Terms of Use.",
        "title": "Terms of Use"
      }
    ],
    "publisher": {
      "category": "vendor",
      "contact_details": "productcert@siemens.com",
      "name": "Siemens ProductCERT",
      "namespace": "https://www.siemens.com"
    },
    "references": [
      {
        "category": "self",
        "summary": "SSA-853866: User Credentials Disclosure Vulnerability in Siveillance Video Open Network Bridge (ONVIF) - PDF Version",
        "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-853866.pdf"
      },
      {
        "category": "self",
        "summary": "SSA-853866: User Credentials Disclosure Vulnerability in Siveillance Video Open Network Bridge (ONVIF) - TXT Version",
        "url": "https://cert-portal.siemens.com/productcert/txt/ssa-853866.txt"
      },
      {
        "category": "self",
        "summary": "SSA-853866: User Credentials Disclosure Vulnerability in Siveillance Video Open Network Bridge (ONVIF) - CSAF Version",
        "url": "https://cert-portal.siemens.com/productcert/csaf/ssa-853866.json"
      }
    ],
    "title": "SSA-853866: User Credentials Disclosure Vulnerability in Siveillance Video Open Network Bridge (ONVIF)",
    "tracking": {
      "current_release_date": "2021-04-13T00:00:00Z",
      "generator": {
        "engine": {
          "name": "Siemens ProductCERT CSAF Generator",
          "version": "1"
        }
      },
      "id": "SSA-853866",
      "initial_release_date": "2021-04-13T00:00:00Z",
      "revision_history": [
        {
          "date": "2021-04-13T00:00:00Z",
          "legacy_version": "1.0",
          "number": "1",
          "summary": "Publication Date"
        }
      ],
      "status": "final",
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    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version_range",
                "name": "2020 R3",
                "product": {
                  "name": "Siveillance Video Open Network Bridge",
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                }
              }
            ],
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            "name": "Siveillance Video Open Network Bridge"
          },
          {
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              {
                "category": "product_version_range",
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                  "name": "Siveillance Video Open Network Bridge",
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                }
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          },
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                }
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          },
          {
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                  "name": "Siveillance Video Open Network Bridge",
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                }
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            "category": "product_name",
            "name": "Siveillance Video Open Network Bridge"
          },
          {
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                }
              }
            ],
            "category": "product_name",
            "name": "Siveillance Video Open Network Bridge"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
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                  "name": "Siveillance Video Open Network Bridge",
                  "product_id": "6"
                }
              }
            ],
            "category": "product_name",
            "name": "Siveillance Video Open Network Bridge"
          },
          {
            "branches": [
              {
                "category": "product_version_range",
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                }
              }
            ],
            "category": "product_name",
            "name": "Siveillance Video Open Network Bridge"
          },
          {
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              {
                "category": "product_version_range",
                "name": "2018 R2",
                "product": {
                  "name": "Siveillance Video Open Network Bridge",
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                }
              }
            ],
            "category": "product_name",
            "name": "Siveillance Video Open Network Bridge"
          }
        ],
        "category": "vendor",
        "name": "Siemens"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2021-27392",
      "cwe": {
        "id": "CWE-321",
        "name": "Insufficiently Protected Credentials"
      },
      "notes": [
        {
          "category": "summary",
          "text": "Affected Open Network Bridges store user credentials for the authentication between ONVIF clients and ONVIF server using a hard-coded key. The encrypted credentials can be retrieved via the MIP SDK.\n\nThis could allow an authenticated remote attacker to retrieve and decrypt all credentials stored on the ONVIF server.",
          "title": "Summary"
        }
      ],
      "product_status": {
        "known_affected": [
          "1",
          "2",
          "3",
          "4",
          "5",
          "6",
          "7",
          "8"
        ]
      },
      "references": [
        {
          "summary": "CVE-2021-27392 - Siveillance Video Open Network Bridge",
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109791980/"
        },
        {
          "summary": "CVE-2021-27392 - Siveillance Video Open Network Bridge",
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109781128/"
        },
        {
          "summary": "CVE-2021-27392 - Siveillance Video Open Network Bridge",
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109779088/"
        },
        {
          "summary": "CVE-2021-27392 - Siveillance Video Open Network Bridge",
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109773456/"
        },
        {
          "summary": "CVE-2021-27392 - Siveillance Video Open Network Bridge",
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109769052/"
        },
        {
          "summary": "CVE-2021-27392 - Siveillance Video Open Network Bridge",
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109766085/"
        },
        {
          "summary": "CVE-2021-27392 - Siveillance Video Open Network Bridge",
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109762643/"
        },
        {
          "summary": "CVE-2021-27392 - Siveillance Video Open Network Bridge",
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109762751/"
        },
        {
          "summary": "CVE-2021-27392 Mitre 5.0 json",
          "url": "https://cert-portal.siemens.com/productcert/mitre/CVE-2021-27392.json"
        }
      ],
      "remediations": [
        {
          "category": "vendor_fix",
          "details": "Apply the hotfix using the latest available installer for Open Network Bridge",
          "product_ids": [
            "1"
          ],
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109791980/"
        },
        {
          "category": "vendor_fix",
          "details": "Apply the hotfix using the latest available installer for ONVIF Bridge",
          "product_ids": [
            "2"
          ],
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109781128/"
        },
        {
          "category": "vendor_fix",
          "details": "Apply the hotfix using the latest available installer for ONVIF Bridge",
          "product_ids": [
            "3"
          ],
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109779088/"
        },
        {
          "category": "vendor_fix",
          "details": "Apply the hotfix using the latest available installer for ONVIF Bridge",
          "product_ids": [
            "4"
          ],
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109773456/"
        },
        {
          "category": "vendor_fix",
          "details": "Apply the hotfix using the latest available installer for ONVIF Bridge",
          "product_ids": [
            "5"
          ],
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109769052/"
        },
        {
          "category": "vendor_fix",
          "details": "Apply the hotfix using the latest available installer for ONVIF Bridge",
          "product_ids": [
            "6"
          ],
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109766085/"
        },
        {
          "category": "vendor_fix",
          "details": "Apply the hotfix using the latest available installer for ONVIF Bridge",
          "product_ids": [
            "7"
          ],
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109762643/"
        },
        {
          "category": "vendor_fix",
          "details": "Apply the hotfix using the latest available installer for ONVIF Bridge",
          "product_ids": [
            "8"
          ],
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109762751/"
        },
        {
          "category": "mitigation",
          "details": "Disable the Open Network Bridge (ONVIF), if not in use. Note: By default the Open Network Bridge is disabled.",
          "product_ids": [
            "1",
            "2",
            "3",
            "4",
            "5",
            "6",
            "7",
            "8"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 9.9,
            "baseSeverity": "CRITICAL",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:P/RL:O/RC:C",
            "version": "3.1"
          },
          "products": [
            "1",
            "2",
            "3",
            "4",
            "5",
            "6",
            "7",
            "8"
          ]
        }
      ],
      "title": "CVE-2021-27392"
    }
  ]
}


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