Vulnerability-Lookup

VAR-201812-0392

Vulnerability from variot - Updated: 2024-11-23 22:21

A vulnerability has been identified in SIMATIC S7-400 CPU 412-1 DP V7 (All versions), SIMATIC S7-400 CPU 412-2 DP V7 (All versions), SIMATIC S7-400 CPU 414-2 DP V7 (All versions), SIMATIC S7-400 CPU 414-3 DP V7 (All versions), SIMATIC S7-400 CPU 414-3 PN/DP V7 (All versions < V7.0.3), SIMATIC S7-400 CPU 414F-3 PN/DP V7 (All versions < V7.0.3), SIMATIC S7-400 CPU 416-2 DP V7 (All versions), SIMATIC S7-400 CPU 416-3 DP V7 (All versions), SIMATIC S7-400 CPU 416-3 PN/DP V7 (All versions < V7.0.3), SIMATIC S7-400 CPU 416F-2 DP V7 (All versions), SIMATIC S7-400 CPU 416F-3 PN/DP V7 (All versions < V7.0.3), SIMATIC S7-400 CPU 417-4 DP V7 (All versions), SIMATIC S7-400 CPU 412-2 PN V7 (All versions < V7.0.3), SIMATIC S7-400 H V4.5 and below CPU family (incl. SIPLUS variants) (All versions), SIMATIC S7-400 H V6 CPU family (incl. SIPLUS variants) (All versions < V6.0.9), SIMATIC S7-400 PN/DP V6 and below CPU family (incl. SIPLUS variants) (All versions), SIMATIC S7-410 CPU family (incl. SIPLUS variants) (All versions < V8.2.1), SIPLUS S7-400 CPU 414-3 PN/DP V7 (All versions < V7.0.3), SIPLUS S7-400 CPU 416-3 PN/DP V7 (All versions < V7.0.3), SIPLUS S7-400 CPU 416-3 V7 (All versions), SIPLUS S7-400 CPU 417-4 V7 (All versions). Sending of specially crafted packets to port 102/tcp via Ethernet interface via PROFIBUS or Multi Point Interfaces (MPI) could cause a denial of service condition on affected devices. Flashing with a firmware image may be required to recover the CPU.

Successful exploitation requires an attacker to have network access to port 102/tcp via Ethernet interface or to be able to send messages via PROFIBUS or Multi Point Interfaces (MPI) to the device. No user interaction is required. If no access protection is configured, no privileges are required to exploit the security vulnerability. The vulnerability could allow causing a denial of service condition of the core functionality of the CPU, compromising the availability of the system. plural SIMATIC The product contains an input validation vulnerability.Service operation interruption (DoS) There is a possibility of being put into a state. SiemensSIMATICS7-400 is a programmable logic controller for manufacturing and process automation in Siemens, Germany. An input validation vulnerability exists in the Siemens SIMATIC S7-400. An attacker could exploit the vulnerability by sending a specially crafted packet to the TCP port 102. Siemens SIMATIC S7-400 CPU is prone to multiple denial-of-service vulnerabilities. Remote attackers may exploit these issues to cause denial-of-service conditions, denying service to legitimate users. A vulnerability has been identified in SIMATIC S7-400 (incl. At the time of advisory publication no public exploitation of this security vulnerability was known. The vulnerability stems from the failure of the network system or product to properly validate the input data

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CVE-2018-16557 (GCVE-0-2018-16557)

Vulnerability from cvelistv5 – Published: 2018-12-13 16:00 – Updated: 2024-08-05 10:24

Summary

Severity

8.2 (High)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H/E:P/RL:O/RC:C

CWE

CWE-347 - Improper Verification of Cryptographic Signature

Assigner

siemens CNA under the icscert root

CNA scorecard C 65/100 over 88 records in the last 180 days details

References

1 reference

URL	Tags
https://cert-portal.siemens.com/productcert/pdf/s…

Impacted products

21 products

Vendor	Product	Version
Siemens	SIMATIC S7-400 CPU 412-1 DP V7	Affected: All versions
Siemens	SIMATIC S7-400 CPU 412-2 DP V7	Affected: All versions
Siemens	SIMATIC S7-400 CPU 414-2 DP V7	Affected: All versions
Siemens	SIMATIC S7-400 CPU 414-3 DP V7	Affected: All versions
Siemens	SIMATIC S7-400 CPU 414-3 PN/DP V7	Affected: All versions < V7.0.3
Siemens	SIMATIC S7-400 CPU 414F-3 PN/DP V7	Affected: All versions < V7.0.3
Siemens	SIMATIC S7-400 CPU 416-2 DP V7	Affected: All versions
Siemens	SIMATIC S7-400 CPU 416-3 DP V7	Affected: All versions
Siemens	SIMATIC S7-400 CPU 416-3 PN/DP V7	Affected: All versions < V7.0.3
Siemens	SIMATIC S7-400 CPU 416F-2 DP V7	Affected: All versions
Siemens	SIMATIC S7-400 CPU 416F-3 PN/DP V7	Affected: All versions < V7.0.3
Siemens	SIMATIC S7-400 CPU 417-4 DP V7	Affected: All versions
Siemens	SIMATIC S7-400 CPU 412-2 PN V7	Affected: All versions < V7.0.3
Siemens	SIMATIC S7-400 H V4.5 and below CPU family (incl. SIPLUS variants)	Affected: All versions
Siemens	SIMATIC S7-400 H V6 CPU family (incl. SIPLUS variants)	Affected: All versions < V6.0.9
Siemens	SIMATIC S7-400 PN/DP V6 and below CPU family (incl. SIPLUS variants)	Affected: All versions
Siemens	SIMATIC S7-410 CPU family (incl. SIPLUS variants)	Affected: All versions < V8.2.1
Siemens	SIPLUS S7-400 CPU 414-3 PN/DP V7	Affected: All versions < V7.0.3
Siemens	SIPLUS S7-400 CPU 416-3 PN/DP V7	Affected: All versions < V7.0.3
Siemens	SIPLUS S7-400 CPU 416-3 V7	Affected: All versions
Siemens	SIPLUS S7-400 CPU 417-4 V7	Affected: All versions

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          "product": "SIMATIC S7-400 H V6 CPU family (incl. SIPLUS variants)",
          "vendor": "Siemens",
          "versions": [
            {
              "status": "affected",
              "version": "All versions \u003c V6.0.9"
            }
          ]
        },
        {
          "defaultStatus": "unknown",
          "product": "SIMATIC S7-400 PN/DP V6 and below CPU family (incl. SIPLUS variants)",
          "vendor": "Siemens",
          "versions": [
            {
              "status": "affected",
              "version": "All versions"
            }
          ]
        },
        {
          "defaultStatus": "unknown",
          "product": "SIMATIC S7-410 CPU family (incl. SIPLUS variants)",
          "vendor": "Siemens",
          "versions": [
            {
              "status": "affected",
              "version": "All versions \u003c V8.2.1"
            }
          ]
        },
        {
          "defaultStatus": "unknown",
          "product": "SIPLUS S7-400 CPU 414-3 PN/DP V7",
          "vendor": "Siemens",
          "versions": [
            {
              "status": "affected",
              "version": "All versions \u003c V7.0.3"
            }
          ]
        },
        {
          "defaultStatus": "unknown",
          "product": "SIPLUS S7-400 CPU 416-3 PN/DP V7",
          "vendor": "Siemens",
          "versions": [
            {
              "status": "affected",
              "version": "All versions \u003c V7.0.3"
            }
          ]
        },
        {
          "defaultStatus": "unknown",
          "product": "SIPLUS S7-400 CPU 416-3 V7",
          "vendor": "Siemens",
          "versions": [
            {
              "status": "affected",
              "version": "All versions"
            }
          ]
        },
        {
          "defaultStatus": "unknown",
          "product": "SIPLUS S7-400 CPU 417-4 V7",
          "vendor": "Siemens",
          "versions": [
            {
              "status": "affected",
              "version": "All versions"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "A vulnerability has been identified in  SIMATIC S7-400 CPU 412-1 DP V7 (All versions),  SIMATIC S7-400 CPU 412-2 DP V7 (All versions),  SIMATIC S7-400 CPU 414-2 DP V7 (All versions),  SIMATIC S7-400 CPU 414-3 DP V7 (All versions),  SIMATIC S7-400 CPU 414-3 PN/DP V7 (All versions \u003c V7.0.3),  SIMATIC S7-400 CPU 414F-3 PN/DP V7 (All versions \u003c V7.0.3),  SIMATIC S7-400 CPU 416-2 DP V7 (All versions),  SIMATIC S7-400 CPU 416-3 DP V7 (All versions),  SIMATIC S7-400 CPU 416-3 PN/DP V7 (All versions \u003c V7.0.3),  SIMATIC S7-400 CPU 416F-2 DP V7 (All versions),  SIMATIC S7-400 CPU 416F-3 PN/DP V7 (All versions \u003c V7.0.3),  SIMATIC S7-400 CPU 417-4 DP V7 (All versions), SIMATIC S7-400 CPU 412-2 PN V7 (All versions \u003c V7.0.3), SIMATIC S7-400 H V4.5 and below CPU family (incl. SIPLUS variants) (All versions), SIMATIC S7-400 H V6 CPU family (incl. SIPLUS variants) (All versions \u003c V6.0.9), SIMATIC S7-400 PN/DP V6 and below CPU family (incl. SIPLUS variants) (All versions), SIMATIC S7-410 CPU family (incl. SIPLUS variants) (All versions \u003c V8.2.1), SIPLUS S7-400 CPU 414-3 PN/DP V7 (All versions \u003c V7.0.3), SIPLUS S7-400 CPU 416-3 PN/DP V7 (All versions \u003c V7.0.3), SIPLUS S7-400 CPU 416-3 V7 (All versions), SIPLUS S7-400 CPU 417-4 V7 (All versions). Sending of specially crafted packets to port 102/tcp via Ethernet interface\r\nvia PROFIBUS or Multi Point Interfaces (MPI) could cause a denial of service\r\ncondition on affected devices. Flashing with a firmware image may be required\r\nto recover the CPU.\r\n\r\nSuccessful exploitation requires an attacker to have network access to port\r\n102/tcp via Ethernet interface or to be able to send messages via PROFIBUS or\r\nMulti Point Interfaces (MPI) to the device. No user interaction is required.\r\nIf no access protection is configured, no privileges are required to exploit\r\nthe security vulnerability. The vulnerability could allow causing a\r\ndenial of service condition of the core functionality of the CPU,\r\ncompromising the availability of the system."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "baseScore": 8.2,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H/E:P/RL:O/RC:C",
            "version": "3.1"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-347",
              "description": "CWE-347: Improper Verification of Cryptographic Signature",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2023-05-09T11:51:01.652Z",
        "orgId": "cec7a2ec-15b4-4faf-bd53-b40f371f3a77",
        "shortName": "siemens"
      },
      "references": [
        {
          "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-113131.pdf"
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "cec7a2ec-15b4-4faf-bd53-b40f371f3a77",
    "assignerShortName": "siemens",
    "cveId": "CVE-2018-16557",
    "datePublished": "2018-12-13T16:00:00.000Z",
    "dateReserved": "2018-09-06T00:00:00.000Z",
    "dateUpdated": "2024-08-05T10:24:32.852Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

Sightings

Author	Source	Type	Date	Other

Nomenclature

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.
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

Order JSON

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.

Publication & reservation Sightings KEV catalogs Other timestamps

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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

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