SSA-844582

Vulnerability from csaf_siemens - Published: 2023-12-12 00:00 - Updated: 2024-10-08 00:00
Summary
SSA-844582: Electromagnetic Fault Injection in LOGO! V8.3 BM Devices Results in Broken LOGO! V8.3 Product CA
Notes
Summary: LOGO! V8.3 BM (incl. SIPLUS variants) devices contain a vulnerability that could allow an electromagnetic fault injection. This could allow an attacker to dump and debug the firmware, including the manipulation of memory. Further actions could allow to inject public keys of custom created key pairs which are then signed by the LOGO! V8.3 Product CA. The vulnerability is related to the specific hardware architecture of the LOGO! V8.3 BM. Siemens has released new hardware versions with the LOGO! V8.4 BM and the SIPLUS LOGO! V8.4 BM product families for all affected devices in which the vulnerability is fixed and the Product CA private key is rotated. See the chapter "Additional Information" below for more details. For more information please also refer to the related product support article: https://support.industry.siemens.com/cs/ww/en/view/109826554/.
General Recommendations: As a general security measure, Siemens strongly recommends to protect network access to devices with appropriate mechanisms. In order to operate the devices in a protected IT environment, Siemens recommends to configure the environment according to Siemens' operational guidelines for Industrial Security (Download: https://www.siemens.com/cert/operational-guidelines-industrial-security), and to follow the recommendations in the product manuals. Additional information on Industrial Security by Siemens can be found at: https://www.siemens.com/industrialsecurity
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.
CVE-2022-42784
7.6 (High)
CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:P/RL:O/RC:C
CWE-1319 - Improper Protection against Electromagnetic Fault Injection (EM-FI)
Affected products
Product Identifier Version Remediation
LOGO! 12/24RCE (6ED1052-1MD08-0BA1)
Siemens / LOGO! 12/24RCE (6ED1052-1MD08-0BA1)
 6ED1052-1MD08-0BA1 vers:all/>=V8.3
No Fix Planned
Workaround
Workaround
LOGO! 12/24RCEo (6ED1052-2MD08-0BA1)
Siemens / LOGO! 12/24RCEo (6ED1052-2MD08-0BA1)
 6ED1052-2MD08-0BA1 vers:all/>=V8.3
No Fix Planned
Workaround
Workaround
LOGO! 230RCE (6ED1052-1FB08-0BA1)
Siemens / LOGO! 230RCE (6ED1052-1FB08-0BA1)
 6ED1052-1FB08-0BA1 vers:all/>=V8.3
No Fix Planned
Workaround
Workaround
LOGO! 230RCEo (6ED1052-2FB08-0BA1)
Siemens / LOGO! 230RCEo (6ED1052-2FB08-0BA1)
 6ED1052-2FB08-0BA1 vers:all/>=V8.3
No Fix Planned
Workaround
Workaround
LOGO! 24CE (6ED1052-1CC08-0BA1)
Siemens / LOGO! 24CE (6ED1052-1CC08-0BA1)
 6ED1052-1CC08-0BA1 vers:all/>=V8.3
No Fix Planned
Workaround
Workaround
LOGO! 24CEo (6ED1052-2CC08-0BA1)
Siemens / LOGO! 24CEo (6ED1052-2CC08-0BA1)
 6ED1052-2CC08-0BA1 vers:all/>=V8.3
No Fix Planned
Workaround
Workaround
LOGO! 24RCE (6ED1052-1HB08-0BA1)
Siemens / LOGO! 24RCE (6ED1052-1HB08-0BA1)
 6ED1052-1HB08-0BA1 vers:all/>=V8.3
No Fix Planned
Workaround
Workaround
LOGO! 24RCEo (6ED1052-2HB08-0BA1)
Siemens / LOGO! 24RCEo (6ED1052-2HB08-0BA1)
 6ED1052-2HB08-0BA1 vers:all/>=V8.3
No Fix Planned
Workaround
Workaround
SIPLUS LOGO! 12/24RCE (6AG1052-1MD08-7BA1)
Siemens / SIPLUS LOGO! 12/24RCE (6AG1052-1MD08-7BA1)
 6AG1052-1MD08-7BA1 vers:all/>=V8.3
No Fix Planned
Workaround
Workaround
SIPLUS LOGO! 12/24RCEo (6AG1052-2MD08-7BA1)
Siemens / SIPLUS LOGO! 12/24RCEo (6AG1052-2MD08-7BA1)
 6AG1052-2MD08-7BA1 vers:all/>=V8.3
No Fix Planned
Workaround
Workaround
SIPLUS LOGO! 230RCE (6AG1052-1FB08-7BA1)
Siemens / SIPLUS LOGO! 230RCE (6AG1052-1FB08-7BA1)
 6AG1052-1FB08-7BA1 vers:all/>=V8.3
No Fix Planned
Workaround
Workaround
SIPLUS LOGO! 230RCEo (6AG1052-2FB08-7BA1)
Siemens / SIPLUS LOGO! 230RCEo (6AG1052-2FB08-7BA1)
 6AG1052-2FB08-7BA1 vers:all/>=V8.3
No Fix Planned
Workaround
Workaround
SIPLUS LOGO! 24CE (6AG1052-1CC08-7BA1)
Siemens / SIPLUS LOGO! 24CE (6AG1052-1CC08-7BA1)
 6AG1052-1CC08-7BA1 vers:all/>=V8.3
No Fix Planned
Workaround
Workaround
SIPLUS LOGO! 24CEo (6AG1052-2CC08-7BA1)
Siemens / SIPLUS LOGO! 24CEo (6AG1052-2CC08-7BA1)
 6AG1052-2CC08-7BA1 vers:all/>=V8.3
No Fix Planned
Workaround
Workaround
SIPLUS LOGO! 24RCE (6AG1052-1HB08-7BA1)
Siemens / SIPLUS LOGO! 24RCE (6AG1052-1HB08-7BA1)
 6AG1052-1HB08-7BA1 vers:all/>=V8.3
No Fix Planned
Workaround
Workaround
SIPLUS LOGO! 24RCEo (6AG1052-2HB08-7BA1)
Siemens / SIPLUS LOGO! 24RCEo (6AG1052-2HB08-7BA1)
 6AG1052-2HB08-7BA1 vers:all/>=V8.3
No Fix Planned
Workaround
Workaround
References
To clipboard 

{
  "document": {
    "category": "csaf_security_advisory",
    "csaf_version": "2.0",
    "distribution": {
      "text": "Disclosure is not limited. (TLPv2: TLP:CLEAR)",
      "tlp": {
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    "lang": "en",
    "notes": [
      {
        "category": "summary",
        "text": "LOGO! V8.3 BM (incl. SIPLUS variants) devices contain a vulnerability that could allow an electromagnetic fault injection. This could allow an attacker to dump and debug the firmware, including the manipulation of memory. Further actions could allow to inject public keys of custom created key pairs which are then signed by the LOGO! V8.3 Product CA.\n\nThe vulnerability is related to the specific hardware architecture of the LOGO! V8.3 BM. Siemens has released new hardware versions with the LOGO! V8.4 BM and the SIPLUS LOGO! V8.4 BM product families for all affected devices in which the vulnerability is fixed and the Product CA private key is rotated. See the chapter \"Additional Information\" below for more details.\n\nFor more information please also refer to the related product support article: \nhttps://support.industry.siemens.com/cs/ww/en/view/109826554/.",
        "title": "Summary"
      },
      {
        "category": "general",
        "text": "As a general security measure, Siemens strongly recommends to protect network access to devices with appropriate mechanisms. In order to operate the devices in a protected IT environment, Siemens recommends to configure the environment according to Siemens\u0027 operational guidelines for Industrial Security (Download: \nhttps://www.siemens.com/cert/operational-guidelines-industrial-security), and to follow the recommendations in the product manuals.\nAdditional information on Industrial Security by Siemens can be found at: https://www.siemens.com/industrialsecurity",
        "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.",
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        "url": "https://cert-portal.siemens.com/productcert/html/ssa-844582.html"
      },
      {
        "category": "self",
        "summary": "SSA-844582: Electromagnetic Fault Injection in LOGO! V8.3 BM Devices Results in Broken LOGO! V8.3 Product CA - CSAF Version",
        "url": "https://cert-portal.siemens.com/productcert/csaf/ssa-844582.json"
      }
    ],
    "title": "SSA-844582: Electromagnetic Fault Injection in LOGO! V8.3 BM Devices Results in Broken LOGO! V8.3 Product CA",
    "tracking": {
      "current_release_date": "2024-10-08T00:00:00Z",
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      "id": "SSA-844582",
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          "number": "1",
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          "summary": "Added information about additional new SIPLUS LOGO! hardware versions: SIPLUS LOGO! 24CE and SIPLUS LOGO! 230RCE"
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          "date": "2024-10-08T00:00:00Z",
          "legacy_version": "1.2",
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                "category": "product_version_range",
                "name": "vers:all/\u003e=V8.3",
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        "category": "vendor",
        "name": "Siemens"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2022-42784",
      "cwe": {
        "id": "CWE-1319",
        "name": "Improper Protection against Electromagnetic Fault Injection (EM-FI)"
      },
      "notes": [
        {
          "category": "summary",
          "text": "Affected devices are vulnerable to an electromagnetic fault injection. This could allow an attacker to dump and debug the firmware, including the manipulation of memory. Further actions could allow to inject public keys of custom created key pairs which are then signed by the product CA. The generation of a custom certificate allows communication with, and impersonation of, any device of the same version.",
          "title": "Summary"
        }
      ],
      "product_status": {
        "known_affected": [
          "1",
          "2",
          "7",
          "8",
          "3",
          "4",
          "5",
          "6",
          "9",
          "10",
          "15",
          "16",
          "11",
          "12",
          "13",
          "14"
        ]
      },
      "remediations": [
        {
          "category": "no_fix_planned",
          "details": "Currently no fix is planned",
          "product_ids": [
            "1",
            "2",
            "7",
            "8",
            "3",
            "4",
            "5",
            "6",
            "9",
            "10",
            "15",
            "16",
            "11",
            "12",
            "13",
            "14"
          ]
        },
        {
          "category": "workaround",
          "details": "Use HTTPS communication only in trusted networks without unknown network devices",
          "product_ids": [
            "1",
            "2",
            "7",
            "8",
            "3",
            "4",
            "5",
            "6",
            "9",
            "10",
            "15",
            "16",
            "11",
            "12",
            "13",
            "14"
          ]
        },
        {
          "category": "workaround",
          "details": "If possible, connect the Base Module directly with LOGO! Soft Comfort and the Web Browser",
          "product_ids": [
            "1",
            "2",
            "7",
            "8",
            "3",
            "4",
            "5",
            "6",
            "9",
            "10",
            "15",
            "16",
            "11",
            "12",
            "13",
            "14"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 7.6,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:P/RL:O/RC:C",
            "version": "3.1"
          },
          "products": [
            "1",
            "2",
            "7",
            "8",
            "3",
            "4",
            "5",
            "6",
            "9",
            "10",
            "15",
            "16",
            "11",
            "12",
            "13",
            "14"
          ]
        }
      ],
      "title": "CVE-2022-42784"
    }
  ]
}



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  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • 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.
Vulnerability timeline

Sightings and recorded dates, grouped by day · UTC

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How durations are calculated

Following the VTEM framework (Black Hat USA 2015), time to patch starts when the vendor or a coordinator was informed, total time to patch at discovery, and disclosure to patch at public disclosure; vendor response time runs from the report to its acknowledgement. Time to exploit and time unpatched start at the earliest discovery or report, falling back to public disclosure. Unpatched time ends at the first recorded patch, or the calculation time when no patch is recorded. Exploitation to patch shows the interval between those two events; a published proof of concept is a public exploit, not exploitation.

Each result shows its source dates. A negative interval means the end event came first; when date-only inputs leave the order open, the result says so. Date-only inputs are approximate. The earliest evidence wins: KEV report dates and sightings are labelled as such. Records describing another vulnerability are listed but never calculated from, and a PoC alone does not establish exploitation. Missing patch evidence does not prove that no patch exists. Filters below change the event list only.

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