#VU19229 Overly permissive cross-domain whitelist in Python Engine.IO - CVE-2019-13611

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Main Vulnerability Database Vulnerabilities #VU19229

#VU19229 Overly permissive cross-domain whitelist in Python Engine.IO - CVE-2019-13611

Published: July 17, 2019 / Updated: January 30, 2020


Vulnerability identifier: #VU19229
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2019-13611
CWE-ID: CWE-942
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
Python Engine.IO
Software vendor:
Miguel Grinberg

Description

The vulnerability allows a remote attacker to bypass the CORS protection mechanism.

The vulnerability exists due to incorrect processing of the "Origin" HTTP header that is supplied within HTTP request. A remote attacker can supply arbitrary value via the "Origin" HTTP header, bypass implemented CORS protection mechanism and perform Cross-Site WebSocket Hijacking (CSWSH) attacks against the vulnerable application.


Remediation

Install update from vendor's website.

External links