Products.PluggableAuthService 2.6.0 Open Redirect

2021.06.02

Credit: Piyush Patil

Risk: Low

Local: No

Remote: Yes

CVE: CVE-2021-21337

CWE: CWE-601

Ogólna skala CVSS: 5.8/10

Znaczenie: 4.9/10

Łatwość wykorzystania: 8.6/10

Wymagany dostęp: Zdalny

Złożoność ataku: Średnia

Autoryzacja: Nie wymagana

Wpływ na poufność: Częściowy

Wpływ na integralność: Częściowy

Wpływ na dostępność: Brak

# Exploit Title: Products.PluggableAuthService 2.6.0 - Open Redirect
# Exploit Author: Piyush Patil
# Affected Component: Pluggable Zope authentication/authorization framework
# Component Link: https://pypi.org/project/Products.PluggableAuthService/
# Version: < 2.6.1
# CVE: CVE-2021-21337
# Reference: https://github.com/zopefoundation/Products.PluggableAuthService/security/advisories/GHSA-p44j-xrqg-4xrr


--------------------------Proof of Concept-----------------------

1- Goto https://localhost/login
2- Turn on intercept and click on the login
3- Change "came_from" parameter value to https://attacker.com
4- User will be redirected to an attacker-controlled website.

Fix: pip install "Products.PluggableAuthService>=2.6.1"

See this note in RAW Version

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Products.PluggableAuthService 2.6.0 Open Redirect

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