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WS-2023-0037
Good to know:
Date: February 14, 2023
A Denial of Service (DoS) vulnerability was discovered in starlette prior to 0.25.0. The MultipartParser using the package python-multipart accepts an unlimited number of multipart parts (form fields or files). Processing too many parts results in high CPU usage and high memory usage, eventually leading to an OOM process kill. This can be triggered by sending too many small form fields with no content, or too many empty files.
Language: Python
Severity Score
Severity Score
Weakness Type (CWE)
Uncontrolled Resource Consumption ('Resource Exhaustion')
CWE-400Top Fix
CVSS v3.1
| Base Score: |
|
|---|---|
| Attack Vector (AV): | NETWORK |
| Attack Complexity (AC): | LOW |
| Privileges Required (PR): | NONE |
| User Interaction (UI): | NONE |
| Scope (S): | UNCHANGED |
| Confidentiality (C): | NONE |
| Integrity (I): | NONE |
| Availability (A): | HIGH |