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Security Advisories: MDE2OlNlY3VyaXR5QWR2aXNvcnlHSFNBLWozanAtZ3ZyNS03aHdx

python-engineio vulnerable to Cross-Site Request Forgery (CSRF)

WebSocket cross-origin vulnerability

Impact

This is a Cross-Site Request Forgery (CSRF) vulnerability. It affects Socket.IO and Engine.IO web servers that authenticate clients using cookies.

Patches

python-engineio version 3.9.0 patches this vulnerability by adding server-side Origin header checks.

Workarounds

Do not use cookies for client authentication, or else add a CSRF token to the connection URL.

References

https://www.owasp.org/index.php/Cross-Site_Request_Forgery_(CSRF)
https://www.christian-schneider.net/CrossSiteWebSocketHijacking.html

For more information

If you have any questions or comments about this advisory:

Permalink: https://github.com/advisories/GHSA-j3jp-gvr5-7hwq
JSON: https://advisories.ecosyste.ms/api/v1/advisories/MDE2OlNlY3VyaXR5QWR2aXNvcnlHSFNBLWozanAtZ3ZyNS03aHdx
Source: GitHub Advisory Database
Origin: Unspecified
Severity: High
Classification: General
Published: over 5 years ago
Updated: about 1 month ago


CVSS Score: 8.8
CVSS vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

EPSS Percentage: 0.00073
EPSS Percentile: 0.325

Identifiers: GHSA-j3jp-gvr5-7hwq, CVE-2019-13611
References: Repository: https://github.com/miguelgrinberg/python-engineio
Blast Radius: 33.4

Affected Packages

pypi:python-engineio
Dependent packages: 87
Dependent repositories: 6,315
Downloads: 4,474,571 last month
Affected Version Ranges: <= 3.8.2
Fixed in: 3.9.0
All affected versions: 0.1.0, 0.2.0, 0.3.0, 0.3.1, 0.4.0, 0.5.0, 0.5.1, 0.6.0, 0.6.1, 0.6.2, 0.6.3, 0.6.4, 0.6.5, 0.6.6, 0.6.7, 0.6.8, 0.6.9, 0.7.0, 0.7.1, 0.7.2, 0.8.0, 0.8.1, 0.8.2, 0.8.3, 0.8.4, 0.8.5, 0.8.6, 0.8.7, 0.8.8, 0.9.0, 0.9.1, 0.9.2, 1.0.0, 1.0.1, 1.0.2, 1.0.3, 1.0.4, 1.1.0, 1.1.1, 1.1.2, 1.2.0, 1.2.1, 1.2.2, 1.2.3, 1.2.4, 1.3.0, 1.3.1, 1.3.2, 1.4.0, 1.5.0, 1.5.1, 1.5.2, 1.5.3, 1.5.4, 1.6.0, 1.6.1, 1.7.0, 2.0.0, 2.0.1, 2.0.2, 2.0.3, 2.0.4, 2.1.0, 2.1.1, 2.2.0, 2.3.0, 2.3.1, 2.3.2, 3.0.0, 3.1.0, 3.1.1, 3.1.2, 3.2.0, 3.2.1, 3.2.2, 3.2.3, 3.3.0, 3.3.1, 3.3.2, 3.4.0, 3.4.1, 3.4.2, 3.4.3, 3.4.4, 3.5.0, 3.5.1, 3.5.2, 3.6.0, 3.7.0, 3.8.0, 3.8.1, 3.8.2
All unaffected versions: 3.9.0, 3.9.1, 3.9.2, 3.9.3, 3.10.0, 3.11.0, 3.11.1, 3.11.2, 3.12.0, 3.12.1, 3.13.0, 3.13.1, 3.13.2, 3.14.0, 3.14.1, 3.14.2, 4.0.0, 4.0.1, 4.1.0, 4.2.0, 4.2.1, 4.3.0, 4.3.1, 4.3.2, 4.3.3, 4.3.4, 4.4.0, 4.4.1, 4.5.0, 4.5.1, 4.6.0, 4.6.1, 4.7.0, 4.7.1, 4.8.0, 4.8.1, 4.8.2, 4.9.0, 4.9.1, 4.10.0, 4.10.1