GitHub Advisoryadvisory · PyPI

GHSA-6g87-ff9q-v847 websockets is vulnerable to denial of service by memory exhaustion

HIGH Published 2018-09-17 Modified 2024-11-19 Official page ↗
Aliases
CVE-2018-1000518
Ecosystem
PyPI
Packages
websockets
Severity
High
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weaknesses
CWE-400
Reviewed
2020-06-16

Affected packages

• PyPI websockets: >= 4.0, < 5.0 → fixed in 5.0

Description

The Python websockets library version 4 contains a CWE-409: Improper Handling of Highly Compressed Data (Data Amplification) vulnerability in Servers and clients, unless configured with compression=None that can result in Denial of Service by memory exhaustion. This attack appears to be exploitable via sending a specially crafted frame on an established connection. This vulnerability appears to have been fixed in version 5.0

Related

Alias · CVE (1)

  • CVE-2018-1000518 aaugustin websockets version 4 contains a CWE-409: Improper Handling of Highly Compressed Data (Data Amplification) vulnerability in… vulnerability

Weakness · CWE (1)

  • CWE-400 Uncontrolled Resource Consumption weakness

References