CVE-2023-30798
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…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.30%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
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.
- CVSS 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 1.30% probability · 69th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-400
- Affected
- encode/starlette
- Source
- disclosure@vulncheck.com
References
- https://github.com/encode/starlette/commit/8c74c2c8dba7030154f8af18e016136bea1938faPatch
- https://github.com/encode/starlette/security/advisories/GHSA-74m5-2c7w-9w3xMitigation, Vendor Advisory
- https://vulncheck.com/advisories/starlette-multipartparser-dosPatch, Third Party Advisory
- https://github.com/encode/starlette/commit/8c74c2c8dba7030154f8af18e016136bea1938faPatch
- https://github.com/encode/starlette/security/advisories/GHSA-74m5-2c7w-9w3xMitigation, Vendor Advisory
- https://vulncheck.com/advisories/starlette-multipartparser-dosPatch, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.