Actu
Vigil@nce - Python urllib http client: denial of service via an HTTP response with status 100
May 2021 by Vigil@nce
This bulletin was written by Vigil@nce : https://vigilance.fr/?langue=2
SYNTHESIS OF THE VULNERABILITY
Impacted products: Python.
Severity: 1/4.
Consequences: denial of service on service, denial of service on
client.
Provenance: internet server.
Confidence: confirmed by the editor (5/5).
Creation date: 06/05/2021.
DESCRIPTION OF THE VULNERABILITY
An attacker can trigger an endless loop in Python urllib http
client by sending HTTP response with the status code 100, in order
to trigger a denial of service.
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