CVE-2019-16738 Information

Description

In MediaWiki through 1.33.0 Special:Redirect allows information disclosure of suppressed usernames via a User ID Lookup.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Reference

https://lists.fedoraproject.org/archives/list/[email protected]/message/7OMG3BMUHGWTAPYTK2NXM6CXF6FYLOUO/ https://lists.fedoraproject.org/archives/list/[email protected]/message/QBAOLXETM5BOYQG6OQVHGB2LNLZUXVN6/ https://phabricator.wikimedia.org/T230402 https://seclists.org/bugtraq/2019/Oct/32 https://www.debian.org/security/2019/dsa-4545

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

LOW

Availability Impact

NONE

Base Score

NONE

Base Severity

5.3