Matrix Sydent mishandles emails

util/emailutils.py in Matrix Sydent before 1.0.2 mishandles registration restrictions that are based on e-mail domain, if the allowedlocal3pids option is enabled. This occurs because of potentially unwanted behavior in Python, in which an email.utils.parseaddr call on...

PT-2019-12248

Name of the Vulnerable Software and Affected Versions Matrix Sydent versions prior to 1.0.2 Description The issue arises from the handling of registration restrictions based on e-mail domain in util/emailutils.py. Specifically, when the allowed local 3pids option is enabled, it can lead to...