Resource exhaustion in Encode Starlette
CVE-2024-24762
`python-multipart` is a streaming multipart parser for Python. When using form data, `python-multipart` uses a Regular Expression to parse the HTTP `Content-Type` header, including options. An attacker could send a custom-made `Content-Typ…
Vulnerability class: DoS (Denial of Service)
EPSS: 0.033 (87.5th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Encode Starlette — versions 0
- Kludex Python-multipart — versions 0
- Tiangolo Fastapi — versions 0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- https://github.com/Kludex/python-multipart/security/advisories/GHSA-2jv5-9r88-3w3p (x_refsource_CONFIRM)
- https://github.com/Kludex/python-multipart/commit/20f0ef6b4e4caf7d69a667c54dff57fe467109a4 (x_refsource_MISC)
- https://github.com/tiangolo/fastapi/security/advisories/GHSA-qf9m-vfgh-m389 (x_refsource_MISC)
- https://github.com/encode/starlette/security/advisories/GHSA-93gm-qmq6-w238 (x_refsource_MISC)
- https://github.com/andrew-d/python-multipart/blob/d3d16dae4b061c34fe9d3c9081d9800c49fc1f7a/multipart/multipart.py#L72-L74 (x_refsource_MISC)
- https://github.com/encode/starlette/commit/13e5c26a27f4903924624736abd6131b2da80cc5 (x_refsource_MISC)
- https://github.com/tiangolo/fastapi/commit/9d34ad0ee8a0dfbbcce06f76c2d5d851085024fc (x_refsource_MISC)
- https://github.com/tiangolo/fastapi/releases/tag/0.109.1 (x_refsource_MISC)
Frequently asked questions
- What is CVE-2024-24762?
- CVE-2024-24762 is a high-severity vulnerability in Encode Starlette, classified under Uncontrolled Resource Consumption. CVSS score: 7.5/10. Published 2024-02-05.
- How severe is CVE-2024-24762?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2024-24762 known to be exploited?
- 8 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.