SSA-853866

Vulnerability from csaf_siemens - Published: 2021-04-13 00:00 - Updated: 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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      {
        "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"
      },
      {
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      "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.",
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        {
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          ],
          "url": "https://support.industry.siemens.com/cs/ww/en/view/109762751/"
        },
        {
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          "details": "Disable the Open Network Bridge (ONVIF), if not in use. Note: By default the Open Network Bridge is disabled.",
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            "2",
            "3",
            "4",
            "5",
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          ]
        }
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      "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",
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    }
  ]
}


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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.
  • Patched: The vulnerability was observed as successfully patched 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.



Detection rules are retrieved from Rulezet.