CVE-2020-35623 Information
Share on:
Jun 06, 2022
cve
Description
An issue was discovered in the CasAuth extension for MediaWiki through 1.35.1. Due to improper username validation it allowed user impersonation with trivial manipulations of certain characters within a given username. An ordinary user may be able to login as a ureaucrat user\ who has a similar username as demonstrated by usernames that differ only in (1) bidirectional override symbols or (2) blank space.
CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Reference
https://github.com/CWRUChielLab/CASAuth/pull/11 https://phabricator.wikimedia.org/T263498
Attack Complexity
LOW
Privileges Required
NONE
User Interaction Required
NONE
Scope
NONE
Confidentiality Impact
UNCHANGED
Integrity Impact
NONE
Availability Impact
HIGH
Base Score
NONE
Base Severity
7.5