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CVE-2019-16792

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CVE-2019-16792

Published: Jan 22, 2020

Modified: Aug 5, 2024

PUBLISHED

CVSS v3.1

7.1

HIGH

Description

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.

VendorProductVersions

Pylons

Waitress

affected
<= 1.3.1 - <= 1.3.1

Weaknesses (CWE)

CWE-444

CVSS v3.1 Details

CVSS v3.1 Vector

CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:L/A:N

Attack Vector

Network

Attack Complexity

High

Privileges Required

Low

User Interaction

None

Scope

Changed

Confidentiality

High

Integrity

Low

Availability

None

References

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