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

高 8.8CVE-2019-13611 · GHSA-j3jp-gvr5-7hwq · PYSEC-2019-170 · 16/07/2019 公開 · 17/06/2026 更新

要点

CVE-2019-13611 は python-engineio, python-engineio (python-engineio project) に影響する深刻度「高」 (CVSS 8.8) の脆弱性です。
今後30日間に悪用される確率（EPSS）：0.85%（全脆弱性の 58.5% より高い）。
対処：3.9.0 以降に更新してください。

パッケージ	影響を受けるバージョン	修正済みバージョン
python-engineio PyPI	`< 3.9.0`	`3.9.0`
python-engineio python-engineio_project	`≤ 3.8.2`	修正版なし

概要

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:

Open an issue in python-engineio

NVD の説明

An issue was discovered in python-engineio through 3.8.2. There is a Cross-Site WebSocket Hijacking (CSWSH) vulnerability that allows attackers to make WebSocket connections to a server by using a victim's credentials, because the Origin header is not restricted.