Waitress through version 1.3.1 allows request smuggling by sending the Content-Length header twice. Waitress would header fold a double Content-Length header and due to being unable to cast the now comma separated value to an integer would set the Content-Length to 0 internally. If two Content-Length headers are sent in a single request, Waitress would treat the request as having no body, thereby treating the body of the request as a new request in HTTP pipelining. This issue is fixed in Waitress 1.4.0.
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beschreibt (1)
Zugehörige CVEs.
| ID | Schweregrad | ausnutzbar | ||
|---|---|---|---|---|
| CVE-2019-16792US | high7.5 | — | ||
Waitress through version 1.3.1 allows request smuggling by sending the Content-Length header twice. Waitress would header fold a double Content-Length header and due to being unabl… | ||||
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Referenzen
Externe Belege — Patches, Meldungen, Analysen.
- https://docs.pylonsproject.org/projects/waitress/en/latest/#security-fixesWEB
- https://github.com/Pylons/waitress/commit/575994cd42e83fd772a5f7ec98b2c56751bd3f65FIX
- https://github.com/Pylons/waitress/security/advisories/GHSA-4ppp-gpcr-7qf6ADVISORY
- https://github.com/advisories/GHSA-j7j6-7hfx-5522ADVISORY
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