CVE-2019-9503
Vulnerability from cvelistv5
Published
2020-01-16 20:35
Modified
2024-08-04 21:54
Severity ?
7.9 (High) - CVSS:3.1/AV:A/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H
Summary
Broadcom brcmfmac driver is vulnerable to a frame validation bypass
References
cret@cert.orghttps://blog.quarkslab.com/reverse-engineering-broadcom-wireless-chipsets.htmlThird Party Advisory
cret@cert.orghttps://bugzilla.redhat.com/show_bug.cgi?id=1701842Issue Tracking, Third Party Advisory
cret@cert.orghttps://bugzilla.suse.com/show_bug.cgi?id=1132828Issue Tracking, Third Party Advisory
cret@cert.orghttps://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=a4176ec356c73a46c07c181c6d04039fafa34a9fPatch, Third Party Advisory
cret@cert.orghttps://kb.cert.org/vuls/id/166939/Third Party Advisory, US Government Resource
cret@cert.orghttps://people.canonical.com/~ubuntu-security/cve/2019/CVE-2019-9503.htmlThird Party Advisory
cret@cert.orghttps://security-tracker.debian.org/tracker/CVE-2019-9503Third Party Advisory
Impacted products
Broadcombrcmfmac WiFi driver
Show details on NVD website

To clipboard 

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T21:54:44.111Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://blog.quarkslab.com/reverse-engineering-broadcom-wireless-chipsets.html"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://kb.cert.org/vuls/id/166939/"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=a4176ec356c73a46c07c181c6d04039fafa34a9f"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1701842"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://people.canonical.com/~ubuntu-security/cve/2019/CVE-2019-9503.html"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://bugzilla.suse.com/show_bug.cgi?id=1132828"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://security-tracker.debian.org/tracker/CVE-2019-9503"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "brcmfmac WiFi driver",
          "vendor": "Broadcom",
          "versions": [
            {
              "status": "affected",
              "version": "commit prior to a4176ec356c73a46c07c181c6d04039fafa34a9f"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "The Broadcom brcmfmac WiFi driver prior to commit a4176ec356c73a46c07c181c6d04039fafa34a9f is vulnerable to a frame validation bypass. If the brcmfmac driver receives a firmware event frame from a remote source, the is_wlc_event_frame function will cause this frame to be discarded and unprocessed. If the driver receives the firmware event frame from the host, the appropriate handler is called. This frame validation can be bypassed if the bus used is USB (for instance by a wifi dongle). This can allow firmware event frames from a remote source to be processed. In the worst case scenario, by sending specially-crafted WiFi packets, a remote, unauthenticated attacker may be able to execute arbitrary code on a vulnerable system. More typically, this vulnerability will result in denial-of-service conditions."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "HIGH",
            "attackVector": "ADJACENT_NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 7.9,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "CHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:A/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H",
            "version": "3.1"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-20",
              "description": "CWE-20 Improper Input Validation",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2022-02-18T20:57:47",
        "orgId": "37e5125f-f79b-445b-8fad-9564f167944b",
        "shortName": "certcc"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://blog.quarkslab.com/reverse-engineering-broadcom-wireless-chipsets.html"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://kb.cert.org/vuls/id/166939/"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=a4176ec356c73a46c07c181c6d04039fafa34a9f"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1701842"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://people.canonical.com/~ubuntu-security/cve/2019/CVE-2019-9503.html"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://bugzilla.suse.com/show_bug.cgi?id=1132828"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://security-tracker.debian.org/tracker/CVE-2019-9503"
        }
      ],
      "solutions": [
        {
          "lang": "en",
          "value": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=a4176ec356c73a46c07c181c6d04039fafa34a9f"
        }
      ],
      "source": {
        "advisory": "VU#166939",
        "discovery": "UNKNOWN"
      },
      "title": "Broadcom brcmfmac driver is vulnerable to a frame validation bypass",
      "x_generator": {
        "engine": "Vulnogram 0.0.9"
      },
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "cert@cert.org",
          "ID": "CVE-2019-9503",
          "STATE": "PUBLIC",
          "TITLE": "Broadcom brcmfmac driver is vulnerable to a frame validation bypass"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "brcmfmac WiFi driver",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "commit prior to a4176ec356c73a46c07c181c6d04039fafa34a9f"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "Broadcom"
              }
            ]
          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "The Broadcom brcmfmac WiFi driver prior to commit a4176ec356c73a46c07c181c6d04039fafa34a9f is vulnerable to a frame validation bypass. If the brcmfmac driver receives a firmware event frame from a remote source, the is_wlc_event_frame function will cause this frame to be discarded and unprocessed. If the driver receives the firmware event frame from the host, the appropriate handler is called. This frame validation can be bypassed if the bus used is USB (for instance by a wifi dongle). This can allow firmware event frames from a remote source to be processed. In the worst case scenario, by sending specially-crafted WiFi packets, a remote, unauthenticated attacker may be able to execute arbitrary code on a vulnerable system. More typically, this vulnerability will result in denial-of-service conditions."
            }
          ]
        },
        "generator": {
          "engine": "Vulnogram 0.0.9"
        },
        "impact": {
          "cvss": {
            "attackComplexity": "HIGH",
            "attackVector": "ADJACENT_NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 7.9,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "CHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:A/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H",
            "version": "3.1"
          }
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "CWE-20 Improper Input Validation"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://blog.quarkslab.com/reverse-engineering-broadcom-wireless-chipsets.html",
              "refsource": "MISC",
              "url": "https://blog.quarkslab.com/reverse-engineering-broadcom-wireless-chipsets.html"
            },
            {
              "name": "https://kb.cert.org/vuls/id/166939/",
              "refsource": "MISC",
              "url": "https://kb.cert.org/vuls/id/166939/"
            },
            {
              "name": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=a4176ec356c73a46c07c181c6d04039fafa34a9f",
              "refsource": "MISC",
              "url": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=a4176ec356c73a46c07c181c6d04039fafa34a9f"
            },
            {
              "name": "https://bugzilla.redhat.com/show_bug.cgi?id=1701842",
              "refsource": "MISC",
              "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1701842"
            },
            {
              "name": "https://people.canonical.com/~ubuntu-security/cve/2019/CVE-2019-9503.html",
              "refsource": "MISC",
              "url": "https://people.canonical.com/~ubuntu-security/cve/2019/CVE-2019-9503.html"
            },
            {
              "name": "https://bugzilla.suse.com/show_bug.cgi?id=1132828",
              "refsource": "MISC",
              "url": "https://bugzilla.suse.com/show_bug.cgi?id=1132828"
            },
            {
              "name": "https://security-tracker.debian.org/tracker/CVE-2019-9503",
              "refsource": "MISC",
              "url": "https://security-tracker.debian.org/tracker/CVE-2019-9503"
            }
          ]
        },
        "solution": [
          {
            "lang": "en",
            "value": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=a4176ec356c73a46c07c181c6d04039fafa34a9f"
          }
        ],
        "source": {
          "advisory": "VU#166939",
          "discovery": "UNKNOWN"
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "37e5125f-f79b-445b-8fad-9564f167944b",
    "assignerShortName": "certcc",
    "cveId": "CVE-2019-9503",
    "datePublished": "2020-01-16T20:35:18",
    "dateReserved": "2019-03-01T00:00:00",
    "dateUpdated": "2024-08-04T21:54:44.111Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2019-9503\",\"sourceIdentifier\":\"cret@cert.org\",\"published\":\"2020-01-16T21:15:12.117\",\"lastModified\":\"2022-04-18T18:09:24.533\",\"vulnStatus\":\"Analyzed\",\"descriptions\":[{\"lang\":\"en\",\"value\":\"The Broadcom brcmfmac WiFi driver prior to commit a4176ec356c73a46c07c181c6d04039fafa34a9f is vulnerable to a frame validation bypass. If the brcmfmac driver receives a firmware event frame from a remote source, the is_wlc_event_frame function will cause this frame to be discarded and unprocessed. If the driver receives the firmware event frame from the host, the appropriate handler is called. This frame validation can be bypassed if the bus used is USB (for instance by a wifi dongle). This can allow firmware event frames from a remote source to be processed. In the worst case scenario, by sending specially-crafted WiFi packets, a remote, unauthenticated attacker may be able to execute arbitrary code on a vulnerable system. More typically, this vulnerability will result in denial-of-service conditions.\"},{\"lang\":\"es\",\"value\":\"El controlador Broadcom brcmfmac WiFi antes de commit a4176ec356c73a46c07c181c6d04039fafa34a9f, es vulnerable a una omisi\u00f3n de comprobaci\u00f3n de trama. Si el controlador brcmfmac recibe una trama de evento del firmware desde una fuente remota, la funci\u00f3n is_wlc_event_frame causar\u00e1 que esta trama sea descartada y no procesada. Si el controlador recibe la trama de evento del firmware desde el host, es llamado el manejador apropiado. Esta comprobaci\u00f3n de trama puede ser omitida si el bus utilizado es USB (por ejemplo, mediante un dongle wifi). Esto puede permitir que tramas de eventos del firmware sean procesadas desde una fuente remota. En el peor de los casos, mediante el env\u00edo de paquetes WiFi especialmente dise\u00f1ados, un atacante remoto no autenticado puede ejecutar c\u00f3digo arbitrario sobre un sistema vulnerable. M\u00e1s t\u00edpicamente, esta vulnerabilidad resultar\u00e1 en condiciones de denegaci\u00f3n de servicio.\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H\",\"attackVector\":\"ADJACENT_NETWORK\",\"attackComplexity\":\"HIGH\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"CHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\",\"baseScore\":8.3,\"baseSeverity\":\"HIGH\"},\"exploitabilityScore\":1.6,\"impactScore\":6.0},{\"source\":\"cret@cert.org\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:A/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H\",\"attackVector\":\"ADJACENT_NETWORK\",\"attackComplexity\":\"HIGH\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"REQUIRED\",\"scope\":\"CHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\",\"baseScore\":7.9,\"baseSeverity\":\"HIGH\"},\"exploitabilityScore\":1.2,\"impactScore\":6.0}],\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:A/AC:M/Au:N/C:C/I:C/A:C\",\"accessVector\":\"ADJACENT_NETWORK\",\"accessComplexity\":\"MEDIUM\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"COMPLETE\",\"integrityImpact\":\"COMPLETE\",\"availabilityImpact\":\"COMPLETE\",\"baseScore\":7.9},\"baseSeverity\":\"HIGH\",\"exploitabilityScore\":5.5,\"impactScore\":10.0,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-20\"}]},{\"source\":\"cret@cert.org\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-20\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:broadcom:brcmfmac_driver:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"E300306D-8929-403F-BF11-AB86A3414EA1\"}]}]},{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:redhat:enterprise_linux:6.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"2F6AB192-9D7D-4A9A-8995-E53A9DE9EAFC\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"142AD0DD-4CF3-4D74-9442-459CE3347E3A\"}]}]}],\"references\":[{\"url\":\"https://blog.quarkslab.com/reverse-engineering-broadcom-wireless-chipsets.html\",\"source\":\"cret@cert.org\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://bugzilla.redhat.com/show_bug.cgi?id=1701842\",\"source\":\"cret@cert.org\",\"tags\":[\"Issue Tracking\",\"Third Party Advisory\"]},{\"url\":\"https://bugzilla.suse.com/show_bug.cgi?id=1132828\",\"source\":\"cret@cert.org\",\"tags\":[\"Issue Tracking\",\"Third Party Advisory\"]},{\"url\":\"https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=a4176ec356c73a46c07c181c6d04039fafa34a9f\",\"source\":\"cret@cert.org\",\"tags\":[\"Patch\",\"Third Party Advisory\"]},{\"url\":\"https://kb.cert.org/vuls/id/166939/\",\"source\":\"cret@cert.org\",\"tags\":[\"Third Party Advisory\",\"US Government Resource\"]},{\"url\":\"https://people.canonical.com/~ubuntu-security/cve/2019/CVE-2019-9503.html\",\"source\":\"cret@cert.org\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://security-tracker.debian.org/tracker/CVE-2019-9503\",\"source\":\"cret@cert.org\",\"tags\":[\"Third Party Advisory\"]}]}}"
  }
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.




Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
  • Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
  • Patched: This vulnerability was successfully patched by the user reporting the sighting.
  • Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
  • Not confirmed: The user expresses doubt about the veracity of the vulnerability.
  • Not patched: This vulnerability was not successfully patched by the user reporting the sighting.