CVE-2021-21337

Advisory

Products.pluggableauthservice 2.6.1 includes a fix for CVE-2021-21337: In Products.PluggableAuthService before version 2.6.1 there is an open redirect vulnerability. A maliciously crafted link to the login form and login functionality could redirect the browser to a different website. Depending on how you have installed Products.PluggableAuthService, you should change the buildout version pin to '2.6.1' and re-run the buildout, or if you used 'pip' simply do 'pip install "Products.PluggableAuthService>=2.6.1"'.
https://github.com/zopefoundation/Products.PluggableAuthService/security/advisories/GHSA-p44j-xrqg-4xrr

Affected package

Affected versions

Fixed versions

Vulnerability changelog

Products.PluggableAuthService is a pluggable Zope authentication and authorization framework. In Products.PluggableAuthService before version 2.6.0 there is an open redirect vulnerability. A maliciously crafted link to the login form and login functionality could redirect the browser to a different website. The problem has been fixed in version 2.6.1. Depending on how you have installed Products.PluggableAuthService, you should change the buildout version pin to `2.6.1` and re-run the buildout, or if you used `pip` simply do `pip install "Products.PluggableAuthService>=2.6.1". See CVE-2021-21337.


CONFIRM:https://github.com/zopefoundation/Products.PluggableAuthService/security/advisories/GHSA-p44j-xrqg-4xrr: https://github.com/zopefoundation/Products.PluggableAuthService/security/advisories/GHSA-p44j-xrqg-4xrr
MISC:https://github.com/zopefoundation/Products.PluggableAuthService/commit/7eead067898852ebd3e0f143bc51295928528dfa: https://github.com/zopefoundation/Products.PluggableAuthService/commit/7eead067898852ebd3e0f143bc51295928528dfa
MISC:https://pypi.org/project/Products.PluggableAuthService/: https://pypi.org/project/Products.PluggableAuthService/

Resources

• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21337
• https://github.com/zopefoundation/Products.PluggableAuthService/security/advisories/GHSA-p44j-xrqg-4xrr
• https://pypi.org/project/Products.PluggableAuthService/
• https://github.com/zopefoundation/Products.PluggableAuthService/commit/7eead067898852ebd3e0f143bc51295928528dfa
• http://packetstormsecurity.com/files/162911/Products.PluggableAuthService-2.6.0-Open-Redirect.html