CVE-2020-10070 (GCVE-0-2020-10070)

Vulnerability from cvelistv5 – Published: 2020-06-05 17:37 – Updated: 2024-09-16 23:06
VLAI
Title
MQTT buffer overflow on receive buffer
Summary
In the Zephyr Project MQTT code, improper bounds checking can result in memory corruption and possibly remote code execution. NCC-ZEP-031 This issue affects: zephyrproject-rtos zephyr version 2.2.0 and later versions.
Severity
9 (Critical)
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
CWE
Assigner
References
Impacted products
Vendor Product Version
zephyrproject-rtos zephyr Affected: 2.2.0 , < unspecified (custom)
Create a notification for this product.
Date Public
2020-05-25 00:00
Credits
NCC Group for report
Show details on NVD website
To clipboard 

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T10:50:57.848Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://research.nccgroup.com/2020/05/26/research-report-zephyr-and-mcuboot-security-assessment"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://zephyrprojectsec.atlassian.net/browse/ZEPSEC-85"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://docs.zephyrproject.org/latest/security/vulnerabilities.html#cve-2020-10070"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://github.com/zephyrproject-rtos/zephyr/pull/23821/commits/0b39cbf3c01d7feec9d0dd7cc7e0e374b6113542"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "zephyr",
          "vendor": "zephyrproject-rtos",
          "versions": [
            {
              "lessThan": "unspecified",
              "status": "affected",
              "version": "2.2.0",
              "versionType": "custom"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "value": "NCC Group for report"
        }
      ],
      "datePublic": "2020-05-25T00:00:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Zephyr Project MQTT code, improper bounds checking can result in memory corruption and possibly remote code execution. NCC-ZEP-031 This issue affects: zephyrproject-rtos zephyr version 2.2.0 and later versions."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 9,
            "baseSeverity": "CRITICAL",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "CHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H",
            "version": "3.1"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-120",
              "description": "CWE-120 Buffer Overflow",
              "lang": "en",
              "type": "CWE"
            }
          ]
        },
        {
          "descriptions": [
            {
              "cweId": "CWE-190",
              "description": "CWE-190 Integer Overflow or Wraparound",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2020-06-05T17:37:37.000Z",
        "orgId": "e2e69745-5e70-4e92-8431-deb5529a81ad",
        "shortName": "zephyr"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://research.nccgroup.com/2020/05/26/research-report-zephyr-and-mcuboot-security-assessment"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://zephyrprojectsec.atlassian.net/browse/ZEPSEC-85"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://docs.zephyrproject.org/latest/security/vulnerabilities.html#cve-2020-10070"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/zephyrproject-rtos/zephyr/pull/23821/commits/0b39cbf3c01d7feec9d0dd7cc7e0e374b6113542"
        }
      ],
      "source": {
        "defect": [
          "https://zephyrprojectsec.atlassian.net/browse/ZEPSEC-85"
        ],
        "discovery": "EXTERNAL"
      },
      "title": "MQTT buffer overflow on receive buffer",
      "x_generator": {
        "engine": "Vulnogram 0.0.9"
      },
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "vulnerabilities@zephyrproject.org",
          "DATE_PUBLIC": "2020-05-25T00:00:00.000Z",
          "ID": "CVE-2020-10070",
          "STATE": "PUBLIC",
          "TITLE": "MQTT buffer overflow on receive buffer"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "zephyr",
                      "version": {
                        "version_data": [
                          {
                            "version_affected": "\u003e=",
                            "version_value": "2.2.0"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "zephyrproject-rtos"
              }
            ]
          }
        },
        "credit": [
          {
            "lang": "eng",
            "value": "NCC Group for report"
          }
        ],
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "In the Zephyr Project MQTT code, improper bounds checking can result in memory corruption and possibly remote code execution. NCC-ZEP-031 This issue affects: zephyrproject-rtos zephyr version 2.2.0 and later versions."
            }
          ]
        },
        "generator": {
          "engine": "Vulnogram 0.0.9"
        },
        "impact": {
          "cvss": {
            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 9,
            "baseSeverity": "CRITICAL",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "CHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H",
            "version": "3.1"
          }
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "CWE-120 Buffer Overflow"
                }
              ]
            },
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "CWE-190 Integer Overflow or Wraparound"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://research.nccgroup.com/2020/05/26/research-report-zephyr-and-mcuboot-security-assessment",
              "refsource": "MISC",
              "url": "https://research.nccgroup.com/2020/05/26/research-report-zephyr-and-mcuboot-security-assessment"
            },
            {
              "name": "https://zephyrprojectsec.atlassian.net/browse/ZEPSEC-85",
              "refsource": "MISC",
              "url": "https://zephyrprojectsec.atlassian.net/browse/ZEPSEC-85"
            },
            {
              "name": "https://docs.zephyrproject.org/latest/security/vulnerabilities.html#cve-2020-10070",
              "refsource": "MISC",
              "url": "https://docs.zephyrproject.org/latest/security/vulnerabilities.html#cve-2020-10070"
            },
            {
              "name": "https://github.com/zephyrproject-rtos/zephyr/pull/23821/commits/0b39cbf3c01d7feec9d0dd7cc7e0e374b6113542",
              "refsource": "MISC",
              "url": "https://github.com/zephyrproject-rtos/zephyr/pull/23821/commits/0b39cbf3c01d7feec9d0dd7cc7e0e374b6113542"
            }
          ]
        },
        "source": {
          "defect": [
            "https://zephyrprojectsec.atlassian.net/browse/ZEPSEC-85"
          ],
          "discovery": "EXTERNAL"
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "e2e69745-5e70-4e92-8431-deb5529a81ad",
    "assignerShortName": "zephyr",
    "cveId": "CVE-2020-10070",
    "datePublished": "2020-06-05T17:37:37.459Z",
    "dateReserved": "2020-03-04T00:00:00.000Z",
    "dateUpdated": "2024-09-16T23:06:22.833Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2020-10070",
      "date": "2026-07-11",
      "epss": "0.02879",
      "percentile": "0.85205"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2020-10070\",\"sourceIdentifier\":\"vulnerabilities@zephyrproject.org\",\"published\":\"2020-06-05T18:15:12.997\",\"lastModified\":\"2024-11-21T04:54:44.760\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Zephyr Project MQTT code, improper bounds checking can result in memory corruption and possibly remote code execution. NCC-ZEP-031 This issue affects: zephyrproject-rtos zephyr version 2.2.0 and later versions.\"},{\"lang\":\"es\",\"value\":\"En el c\u00f3digo de Zephyr Project MQTT, la comprobaci\u00f3n incorrecta de los l\u00edmites puede resultar en corrupci\u00f3n de la memoria y potencialmente en una ejecuci\u00f3n de c\u00f3digo remota. NCC-ZEP-031 Este problema afecta a: zephyrproject-rtos zephyr versi\u00f3n 2.2.0 y versiones posteriores\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"vulnerabilities@zephyrproject.org\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H\",\"baseScore\":9.0,\"baseSeverity\":\"CRITICAL\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"HIGH\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"CHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":2.2,\"impactScore\":6.0},{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H\",\"baseScore\":9.8,\"baseSeverity\":\"CRITICAL\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":3.9,\"impactScore\":5.9}],\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:N/AC:L/Au:N/C:P/I:P/A:P\",\"baseScore\":7.5,\"accessVector\":\"NETWORK\",\"accessComplexity\":\"LOW\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"PARTIAL\",\"integrityImpact\":\"PARTIAL\",\"availabilityImpact\":\"PARTIAL\"},\"baseSeverity\":\"HIGH\",\"exploitabilityScore\":10.0,\"impactScore\":6.4,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"vulnerabilities@zephyrproject.org\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-120\"},{\"lang\":\"en\",\"value\":\"CWE-190\"}]},{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-120\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:zephyrproject:zephyr:*:*:*:*:*:*:*:*\",\"versionEndIncluding\":\"2.2.0\",\"matchCriteriaId\":\"A50EF02E-4F26-4016-9D73-FF596F7EA61B\"}]}]}],\"references\":[{\"url\":\"https://docs.zephyrproject.org/latest/security/vulnerabilities.html#cve-2020-10070\",\"source\":\"vulnerabilities@zephyrproject.org\",\"tags\":[\"Vendor Advisory\"]},{\"url\":\"https://github.com/zephyrproject-rtos/zephyr/pull/23821/commits/0b39cbf3c01d7feec9d0dd7cc7e0e374b6113542\",\"source\":\"vulnerabilities@zephyrproject.org\",\"tags\":[\"Patch\",\"Third Party Advisory\"]},{\"url\":\"https://research.nccgroup.com/2020/05/26/research-report-zephyr-and-mcuboot-security-assessment\",\"source\":\"vulnerabilities@zephyrproject.org\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://zephyrprojectsec.atlassian.net/browse/ZEPSEC-85\",\"source\":\"vulnerabilities@zephyrproject.org\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://docs.zephyrproject.org/latest/security/vulnerabilities.html#cve-2020-10070\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Vendor Advisory\"]},{\"url\":\"https://github.com/zephyrproject-rtos/zephyr/pull/23821/commits/0b39cbf3c01d7feec9d0dd7cc7e0e374b6113542\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\",\"Third Party Advisory\"]},{\"url\":\"https://research.nccgroup.com/2020/05/26/research-report-zephyr-and-mcuboot-security-assessment\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://zephyrprojectsec.atlassian.net/browse/ZEPSEC-85\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\"]}]}}"
  }
}



Log in or create an account to share your comment.




Tags
Taxonomy of the tags.





Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

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.


Detection rules are retrieved from Rulezet.