CVE-2023-30798: MultipartParser denial of service with too many fields or files

CVE-2023-30798 · Severity: low · CVSS 3.1 · Published 2023-04-21

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.

Technologies: starlette (PyPI). Vendors: PyPI.

Quick answers

Is CVE-2023-30798 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2023-30798 being exploited in the wild.
How severe is CVE-2023-30798?
Low severity, with a CVSS score of 3.1, published 21 April 2023.
Which products and versions are affected?
starlette (PyPI) ECOSYSTEM:introduced=0,fixed=0.25.0, GIT:introduced=0,fixed=8c74c2c8dba7030154f8af18e016136bea1938fa|ECOSYSTEM:introduced=0,fixed=0.25.0.
Is there a fix for CVE-2023-30798?
Yes. starlette (PyPI): upgrade to 0.25.0 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
Am I affected by CVE-2023-30798?
Check whether you run starlette (PyPI) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

How to fix

  • starlette (PyPI): upgrade to 0.25.0 or later
    pip install "starlette>=0.25.0"

Affected products

  • starlette (PyPI) ECOSYSTEM:introduced=0,fixed=0.25.0, GIT:introduced=0,fixed=8c74c2c8dba7030154f8af18e016136bea1938fa|ECOSYSTEM:introduced=0,fixed=0.25.0

Identifiers

  • CVE-2023-30798
  • GHSA-74m5-2c7w-9w3x
  • PYSEC-2023-48

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