Vulnerability-Lookup

GSD-2023-0750

Vulnerability from gsd - Updated: 2023-12-13 01:20

Details

Yellobrik PEC-1864 implements authentication checks via javascript in the frontend interface. When the device can be accessed over the network an attacker could bypass authentication. This would allow an attacker to : - Change the password, resulting in a DOS of the users - Change the streaming source, compromising the integrity of the stream - Change the streaming destination, compromising the confidentiality of the stream This issue affects Yellowbrik: PEC 1864. No patch has been issued by the manufacturer as this model was discontinued.

Aliases

CVE-2023-0750

Aliases

CVE-2023-0750

JSON

To clipboard

{
  "GSD": {
    "alias": "CVE-2023-0750",
    "id": "GSD-2023-0750"
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2023-0750"
      ],
      "details": "Yellobrik PEC-1864 implements authentication checks via javascript in the frontend interface. When the device can be accessed over the network an attacker could bypass authentication. This would allow an attacker to : - Change the password, resulting in a DOS of the users - Change the streaming source, compromising the integrity of the stream - Change the streaming destination, compromising the confidentiality of the stream This issue affects Yellowbrik: PEC 1864. No patch has been issued by the manufacturer as this model was discontinued.",
      "id": "GSD-2023-0750",
      "modified": "2023-12-13T01:20:22.714616Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
    "cve.org": {
      "CVE_data_meta": {
        "ASSIGNER": "vulnerability@ncsc.ch",
        "ID": "CVE-2023-0750",
        "STATE": "PUBLIC"
      },
      "affects": {
        "vendor": {
          "vendor_data": [
            {
              "product": {
                "product_data": [
                  {
                    "product_name": "Yellowbrik",
                    "version": {
                      "version_data": [
                        {
                          "version_value": "not down converted",
                          "x_cve_json_5_version_data": {
                            "defaultStatus": "affected",
                            "versions": [
                              {
                                "status": "affected",
                                "version": "PEC 1864"
                              }
                            ]
                          }
                        }
                      ]
                    }
                  }
                ]
              },
              "vendor_name": "Lynx Technik AG"
            }
          ]
        }
      },
      "credits": [
        {
          "lang": "en",
          "value": "Vincent Salvadori"
        }
      ],
      "data_format": "MITRE",
      "data_type": "CVE",
      "data_version": "4.0",
      "description": {
        "description_data": [
          {
            "lang": "eng",
            "value": "Yellobrik PEC-1864 implements authentication checks via javascript in the frontend interface. When the device can be accessed over the network an attacker could bypass authentication. This would allow an attacker to : - Change the password, resulting in a DOS of the users - Change the streaming source, compromising the integrity of the stream - Change the streaming destination, compromising the confidentiality of the stream This issue affects Yellowbrik: PEC 1864. No patch has been issued by the manufacturer as this model was discontinued."
          }
        ]
      },
      "generator": {
        "engine": "Vulnogram 0.1.0-dev"
      },
      "impact": {
        "cvss": [
          {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 9.8,
            "baseSeverity": "CRITICAL",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
          }
        ]
      },
      "problemtype": {
        "problemtype_data": [
          {
            "description": [
              {
                "cweId": "CWE-602",
                "lang": "eng",
                "value": "CWE-602: Client-Side Enforcement of Server-Side Security"
              }
            ]
          }
        ]
      },
      "references": {
        "reference_data": [
          {
            "name": "https://support.lynx-technik.com/support/solutions/articles/1000317081-pec-1864-web-ui-for-configuration",
            "refsource": "MISC",
            "url": "https://support.lynx-technik.com/support/solutions/articles/1000317081-pec-1864-web-ui-for-configuration"
          }
        ]
      },
      "source": {
        "discovery": "EXTERNAL"
      },
      "work_around": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "\u003cdiv\u003e\u003cdiv\u003eisolate the PEC-1864 behind a firewall disallowing any traffic on the web interface, do not allow access from internet.\u003cbr\u003e\u003c/div\u003e\u003c/div\u003e\u003cbr\u003e"
            }
          ],
          "value": "isolate the PEC-1864 behind a firewall disallowing any traffic on the web interface, do not allow access from internet.\n\n\n\n\n\n"
        }
      ]
    },
    "nvd.nist.gov": {
      "configurations": {
        "CVE_data_version": "4.0",
        "nodes": [
          {
            "children": [
              {
                "children": [],
                "cpe_match": [
                  {
                    "cpe23Uri": "cpe:2.3:o:lynx-technik:yellobrik_pec_1864_firmware:-:*:*:*:*:*:*:*",
                    "cpe_name": [],
                    "vulnerable": true
                  }
                ],
                "operator": "OR"
              },
              {
                "children": [],
                "cpe_match": [
                  {
                    "cpe23Uri": "cpe:2.3:h:lynx-technik:yellobrik_pec_1864:-:*:*:*:*:*:*:*",
                    "cpe_name": [],
                    "vulnerable": false
                  }
                ],
                "operator": "OR"
              }
            ],
            "cpe_match": [],
            "operator": "AND"
          }
        ]
      },
      "cve": {
        "CVE_data_meta": {
          "ASSIGNER": "vulnerability@ncsc.ch",
          "ID": "CVE-2023-0750"
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "en",
              "value": "Yellobrik PEC-1864 implements authentication checks via javascript in the frontend interface. When the device can be accessed over the network an attacker could bypass authentication. This would allow an attacker to : - Change the password, resulting in a DOS of the users - Change the streaming source, compromising the integrity of the stream - Change the streaming destination, compromising the confidentiality of the stream This issue affects Yellowbrik: PEC 1864. No patch has been issued by the manufacturer as this model was discontinued."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "en",
                  "value": "CWE-311"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://support.lynx-technik.com/support/solutions/articles/1000317081-pec-1864-web-ui-for-configuration",
              "refsource": "MISC",
              "tags": [
                "Vendor Advisory"
              ],
              "url": "https://support.lynx-technik.com/support/solutions/articles/1000317081-pec-1864-web-ui-for-configuration"
            }
          ]
        }
      },
      "impact": {
        "baseMetricV3": {
          "cvssV3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 9.8,
            "baseSeverity": "CRITICAL",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
          },
          "exploitabilityScore": 3.9,
          "impactScore": 5.9
        }
      },
      "lastModifiedDate": "2023-04-18T17:49Z",
      "publishedDate": "2023-04-06T14:15Z"
    }
  }
}

CVE-2023-0750 (GCVE-0-2023-0750)

Vulnerability from cvelistv5 – Published: 2023-04-06 13:12 – Updated: 2025-02-10 20:20

Title

Yellowbrik PEC-1864 authentication bypass

Summary

Severity

9.8 (Critical)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

SSVC

Exploitation: none Automatable: yes Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2025-02-10 20:20 UTC

CWE

CWE-602 - Client-Side Enforcement of Server-Side Security

Assigner

NCSC.ch mitre root Scorecard

References

1 reference

URL	Tags
https://support.lynx-technik.com/support/solution…

Impacted products

1 product

Vendor	Product	Version
Lynx Technik AG	Yellowbrik	Affected: PEC 1864

Credits

Vincent Salvadori

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-02T05:24:34.129Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://support.lynx-technik.com/support/solutions/articles/1000317081-pec-1864-web-ui-for-configuration"
          }
        ],
        "title": "CVE Program Container"
      },
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2023-0750",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "yes"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-02-10T20:20:29.424789Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2025-02-10T20:20:33.303Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "affected",
          "product": "Yellowbrik",
          "vendor": "Lynx Technik AG",
          "versions": [
            {
              "status": "affected",
              "version": "PEC 1864"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "user": "00000000-0000-4000-9000-000000000000",
          "value": "Vincent Salvadori"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "\u003cdiv\u003e\u003cdiv\u003eYellobrik PEC-1864 implements authentication checks via javascript in the frontend interface.\u0026nbsp; When the device can be accessed over the network an attacker could bypass authentication.\u003c/div\u003e\u003cdiv\u003e\u003cbr\u003e\u003c/div\u003e\u003cdiv\u003eThis would allow an attacker to : \u003cbr\u003e\u003cdiv\u003e\u003cdiv\u003e- Change the password, resulting in a DOS of the users\u003c/div\u003e\u003cdiv\u003e- Change the streaming source, compromising the integrity of the stream\u003c/div\u003e\u003cdiv\u003e- Change the streaming destination, compromising the confidentiality of the stream\u003cbr\u003e\u003c/div\u003e\u003c/div\u003e\u003c/div\u003e\u003c/div\u003e\u003cp\u003eThis issue affects Yellowbrik: PEC 1864. No patch has been issued by the manufacturer as this model was discontinued.\u003c/p\u003e\u003cp\u003e\u003cbr\u003e\u003c/p\u003e\u003cp\u003e\u003c/p\u003e\u003cdiv\u003e\u003cbr\u003e\u003c/div\u003e\u003cbr\u003e\u003cp\u003e\u003c/p\u003e"
            }
          ],
          "value": "Yellobrik PEC-1864 implements authentication checks via javascript in the frontend interface.\u00a0 When the device can be accessed over the network an attacker could bypass authentication.\n\n\n\n\nThis would allow an attacker to : \n- Change the password, resulting in a DOS of the users\n\n- Change the streaming source, compromising the integrity of the stream\n\n- Change the streaming destination, compromising the confidentiality of the stream\n\n\n\n\n\n\n\n\nThis issue affects Yellowbrik: PEC 1864. No patch has been issued by the manufacturer as this model was discontinued.\n\n\n\n\n\n\n\n\n\n\n\n\n"
        }
      ],
      "impacts": [
        {
          "capecId": "CAPEC-115",
          "descriptions": [
            {
              "lang": "en",
              "value": "CAPEC-115 Authentication Bypass"
            }
          ]
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 9.8,
            "baseSeverity": "CRITICAL",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-602",
              "description": "CWE-602: Client-Side Enforcement of Server-Side Security",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2023-04-06T13:12:11.304Z",
        "orgId": "455daabc-a392-441d-aa46-37d35189897c",
        "shortName": "NCSC.ch"
      },
      "references": [
        {
          "url": "https://support.lynx-technik.com/support/solutions/articles/1000317081-pec-1864-web-ui-for-configuration"
        }
      ],
      "source": {
        "discovery": "EXTERNAL"
      },
      "title": "Yellowbrik PEC-1864 authentication bypass",
      "workarounds": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "\u003cdiv\u003e\u003cdiv\u003eisolate the PEC-1864 behind a firewall disallowing any traffic on the web interface, do not allow access from internet.\u003cbr\u003e\u003c/div\u003e\u003c/div\u003e\u003cbr\u003e"
            }
          ],
          "value": "isolate the PEC-1864 behind a firewall disallowing any traffic on the web interface, do not allow access from internet.\n\n\n\n\n\n"
        }
      ],
      "x_generator": {
        "engine": "Vulnogram 0.1.0-dev"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "455daabc-a392-441d-aa46-37d35189897c",
    "assignerShortName": "NCSC.ch",
    "cveId": "CVE-2023-0750",
    "datePublished": "2023-04-06T13:12:11.304Z",
    "dateReserved": "2023-02-08T15:13:56.962Z",
    "dateUpdated": "2025-02-10T20:20:33.303Z",
    "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.

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.

Action not permitted

GSD-2023-0750

CVE-2023-0750 (GCVE-0-2023-0750)

Tags

Sightings

Nomenclature

Related by attack behaviour