csaf_certbund - wid-sec-w-2023-0860

WID-SEC-W-2023-0860

Vulnerability from csaf_certbund - Published: 2023-04-04 22:00 - Updated: 2023-04-04 22:00

Summary

NGINX NJS: Mehrere Schwachstellen ermöglichen Codeausführung

Notes

Das BSI ist als Anbieter für die eigenen, zur Nutzung bereitgestellten Inhalte nach den allgemeinen Gesetzen verantwortlich. Nutzerinnen und Nutzer sind jedoch dafür verantwortlich, die Verwendung und/oder die Umsetzung der mit den Inhalten bereitgestellten Informationen sorgfältig im Einzelfall zu prüfen.

Produktbeschreibung

NGINX ist eine Webserver-, Reverse Proxy- und E-Mail-Proxy Software.

Angriff

Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in NGINX NJS ausnutzen, um beliebigen Programmcode auszuführen.

Betroffene Betriebssysteme

- UNIX - Linux - Windows

JSON

To clipboard

{
  "document": {
    "aggregate_severity": {
      "text": "kritisch"
    },
    "category": "csaf_base",
    "csaf_version": "2.0",
    "distribution": {
      "tlp": {
        "label": "WHITE",
        "url": "https://www.first.org/tlp/"
      }
    },
    "lang": "de-DE",
    "notes": [
      {
        "category": "legal_disclaimer",
        "text": "Das BSI ist als Anbieter f\u00fcr die eigenen, zur Nutzung bereitgestellten Inhalte nach den allgemeinen Gesetzen verantwortlich. Nutzerinnen und Nutzer sind jedoch daf\u00fcr verantwortlich, die Verwendung und/oder die Umsetzung der mit den Inhalten bereitgestellten Informationen sorgf\u00e4ltig im Einzelfall zu pr\u00fcfen."
      },
      {
        "category": "description",
        "text": "NGINX ist eine Webserver-, Reverse Proxy- und E-Mail-Proxy Software.",
        "title": "Produktbeschreibung"
      },
      {
        "category": "summary",
        "text": "Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in NGINX NJS ausnutzen, um beliebigen Programmcode auszuf\u00fchren.",
        "title": "Angriff"
      },
      {
        "category": "general",
        "text": "- UNIX\n- Linux\n- Windows",
        "title": "Betroffene Betriebssysteme"
      }
    ],
    "publisher": {
      "category": "other",
      "contact_details": "csaf-provider@cert-bund.de",
      "name": "Bundesamt f\u00fcr Sicherheit in der Informationstechnik",
      "namespace": "https://www.bsi.bund.de"
    },
    "references": [
      {
        "category": "self",
        "summary": "WID-SEC-W-2023-0860 - CSAF Version",
        "url": "https://wid.cert-bund.de/.well-known/csaf/white/2023/wid-sec-w-2023-0860.json"
      },
      {
        "category": "self",
        "summary": "WID-SEC-2023-0860 - Portal Version",
        "url": "https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2023-0860"
      },
      {
        "category": "external",
        "summary": "Github Security Advisory vom 2023-04-04",
        "url": "https://github.com/advisories/GHSA-9m49-j2g8-82x8"
      },
      {
        "category": "external",
        "summary": "Github Security Advisory vom 2023-04-04",
        "url": "https://github.com/advisories/GHSA-87wc-7p2c-x5h9"
      }
    ],
    "source_lang": "en-US",
    "title": "NGINX NJS: Mehrere Schwachstellen erm\u00f6glichen Codeausf\u00fchrung",
    "tracking": {
      "current_release_date": "2023-04-04T22:00:00.000+00:00",
      "generator": {
        "date": "2024-08-15T17:48:08.936+00:00",
        "engine": {
          "name": "BSI-WID",
          "version": "1.3.5"
        }
      },
      "id": "WID-SEC-W-2023-0860",
      "initial_release_date": "2023-04-04T22:00:00.000+00:00",
      "revision_history": [
        {
          "date": "2023-04-04T22:00:00.000+00:00",
          "number": "1",
          "summary": "Initiale Fassung"
        }
      ],
      "status": "final",
      "version": "1"
    }
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "category": "product_name",
            "name": "NGINX NGINX NJS v.0feca92",
            "product": {
              "name": "NGINX NGINX NJS v.0feca92",
              "product_id": "T027081",
              "product_identification_helper": {
                "cpe": "cpe:/a:nginx:nginx:njs_v.0feca92"
              }
            }
          }
        ],
        "category": "vendor",
        "name": "NGINX"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2020-19695",
      "notes": [
        {
          "category": "description",
          "text": "Es existiert eine Schwachstelle in NGINX im Modul NJS. Diese ist auf einen Puffer\u00fcberlauf \u00fcber den Parameter \"njs_object_property\" in \"njs/njs_vm.c\" zur\u00fcckzuf\u00fchren. Ein entfernter, anonymer Angreifer kann diese Schwachstelle ausnutzen, um beliebigen Programmcode auszuf\u00fchren."
        }
      ],
      "product_status": {
        "known_affected": [
          "T027081"
        ]
      },
      "release_date": "2023-04-04T22:00:00.000+00:00",
      "title": "CVE-2020-19695"
    },
    {
      "cve": "CVE-2020-19692",
      "notes": [
        {
          "category": "description",
          "text": "Es existiert eine Schwachstelle in NGINX im Modul NJS. Diese ist auf einen Puffer\u00fcberlauf in \"njs_module_read\" aus \"njs_module.c\" zur\u00fcckzuf\u00fchren. Ein entfernter, anonymer Angreifer kann diese Schwachstelle ausnutzen, um beliebigen Programmcode auszuf\u00fchren."
        }
      ],
      "product_status": {
        "known_affected": [
          "T027081"
        ]
      },
      "release_date": "2023-04-04T22:00:00.000+00:00",
      "title": "CVE-2020-19692"
    }
  ]
}

CVE-2020-19695 (GCVE-0-2020-19695)

Vulnerability from cvelistv5 – Published: 2023-04-04 00:00 – Updated: 2025-02-14 19:15

Summary

Buffer Overflow found in Nginx NJS allows a remote attacker to execute arbitrary code via the njs_object_property parameter of the njs/njs_vm.c function.

Severity ?

9.8 (Critical)


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

CWE

Assigner

mitre

References

URL

Tags

https://github.com/nginx/njs/issues/188

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T14:15:28.195Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://github.com/nginx/njs/issues/188"
          }
        ],
        "title": "CVE Program Container"
      },
      {
        "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"
            }
          },
          {
            "other": {
              "content": {
                "id": "CVE-2020-19695",
                "options": [
                  {
                    "Exploitation": "poc"
                  },
                  {
                    "Automatable": "yes"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-02-14T19:15:26.486460Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "problemTypes": [
          {
            "descriptions": [
              {
                "cweId": "CWE-120",
                "description": "CWE-120 Buffer Copy without Checking Size of Input (\u0027Classic Buffer Overflow\u0027)",
                "lang": "en",
                "type": "CWE"
              }
            ]
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2025-02-14T19:15:32.402Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "Buffer Overflow found in Nginx NJS allows a remote attacker to execute arbitrary code via the njs_object_property parameter of the njs/njs_vm.c function."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "n/a",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2023-04-04T00:00:00.000Z",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
        {
          "url": "https://github.com/nginx/njs/issues/188"
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
    "cveId": "CVE-2020-19695",
    "datePublished": "2023-04-04T00:00:00.000Z",
    "dateReserved": "2020-08-13T00:00:00.000Z",
    "dateUpdated": "2025-02-14T19:15:32.402Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

CVE-2020-19692 (GCVE-0-2020-19692)

Vulnerability from cvelistv5 – Published: 2023-04-04 00:00 – Updated: 2025-02-18 17:00

Summary

Buffer Overflow vulnerabilty found in Nginx NJS v.0feca92 allows a remote attacker to execute arbitrary code via the njs_module_read in the njs_module.c file.

Severity ?

No CVSS data available.

CWE

Assigner

mitre

References

URL

Tags

https://github.com/nginx/njs/issues/187

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T14:15:28.466Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://github.com/nginx/njs/issues/187"
          }
        ],
        "title": "CVE Program Container"
      },
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2020-19692",
                "options": [
                  {
                    "Exploitation": "poc"
                  },
                  {
                    "Automatable": "yes"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-02-18T14:51:45.843757Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2025-02-18T17:00:26.081Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "Buffer Overflow vulnerabilty found in Nginx NJS v.0feca92 allows a remote attacker to execute arbitrary code via the njs_module_read in the njs_module.c file."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "n/a",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2023-04-04T00:00:00.000Z",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
        {
          "url": "https://github.com/nginx/njs/issues/187"
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
    "cveId": "CVE-2020-19692",
    "datePublished": "2023-04-04T00:00:00.000Z",
    "dateReserved": "2020-08-13T00:00:00.000Z",
    "dateUpdated": "2025-02-18T17:00:26.081Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

Sightings

Author	Source	Type	Date

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.

Detection rules are retrieved from Rulezet.

Action not permitted

WID-SEC-W-2023-0860

CVE-2020-19695 (GCVE-0-2020-19695)

CVE-2020-19692 (GCVE-0-2020-19692)

Tags

Sightings

Nomenclature