Bug 1755762 (CVE-2019-16738)

Summary: CVE-2019-16738 mediawiki: suppressed username information disclosure via Special:Redirect
Product: [Other] Security Response Reporter: Dhananjay Arunesh <darunesh>
Component: vulnerabilityAssignee: Red Hat Product Security <security-response-team>
Status: CLOSED ERRATA QA Contact:
Severity: medium Docs Contact:
Priority: medium    
Version: unspecifiedCC: ahardin, aos-bugs, Axel.Thimm, bleanhar, bmontgom, ccoleman, dedgar, eparis, jburrell, jgoulding, jokerman, mchappel, mike, nstielau, puiterwijk, shurley, sponnaga
Target Milestone: ---Keywords: Security
Target Release: ---   
Hardware: All   
OS: Linux   
Whiteboard:
Fixed In Version: mediawiki 1.31.4, mediawiki 1.32.4, mediawiki 1.33.1 Doc Type: If docs needed, set a value
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2021-10-25 09:53:54 UTC Type: ---
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:
Bug Depends On: 1755763, 1776590, 1776591, 1776592, 1776597    
Bug Blocks: 1755764    

Description Dhananjay Arunesh 2019-09-26 07:40:19 UTC 
A vulnerability was found in MediaWiki through 1.33.0, Special:Redirect allows information disclosure of suppressed usernames via a User ID Lookup.

Reference:
https://phabricator.wikimedia.org/T230402
Comment 1 Dhananjay Arunesh 2019-09-26 07:40:36 UTC 
Created mediawiki tracking bugs for this issue:

Affects: fedora-all [bug 1755763]