CVE-2023-30798 MultipartParser DOS with too many fields or files in Starlette Framework

2023-04-2115:27:47

CWE-400

VulnCheck

www.cve.org

cve-2023-30798

multipartparser

dos

starlette framework

http service

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

0.003 Low

EPSS

Percentile

65.3%

JSON

There MultipartParser usage in Encode’s Starlette python framework before versions 0.25.0 allows an unauthenticated and remote attacker to specify any number of form fields or files which can cause excessive memory usage resulting in denial of service of the HTTP service.

CNA Affected

[
  {
    "collectionURL": "https://pypi.org/project/starlette/",
    "defaultStatus": "unaffected",
    "packageName": "starlette",
    "platforms": [
      "all"
    ],
    "product": "Starlette",
    "repo": "https://github.com/encode/starlette",
    "vendor": "Encode",
    "versions": [
      {
        "lessThan": "0.25.0",
        "status": "affected",
        "version": "0",
        "versionType": "python"
      }
    ]
  }
]