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CVE-2019-12468

Date: July 10, 2019

An Incorrect Access Control vulnerability was found in Wikimedia MediaWiki 1.27.0 through 1.32.1. Directly POSTing to Special:ChangeEmail would allow for bypassing re-authentication, allowing for potential account takeover.

Language: PHP

Severity Score

Related Resources (11)

https://lists.wikimedia.org/pipermail/mediawiki-announce/
https://phabricator.wikimedia.org/T197279
https://github.com/wikimedia/mediawiki
https://lists.wikimedia.org/pipermail/mediawiki-announce
https://security-tracker.debian.org/tracker/CVE-2019-12468
https://nvd.nist.gov/vuln/detail/CVE-2019-12468
https://seclists.org/bugtraq/2019/Jun/12
https://lists.wikimedia.org/pipermail/wikitech-l/2019-June/092152.html
https://www.debian.org/security/2019/dsa-4460
https://github.com/FriendsOfPHP/security-advisories/blob/master/mediawiki/core/CVE-2019-12468.yaml
https://www.mend.io/vulnerability-database/CVE-2019-12468

Severity Score

Weakness Type (CWE)

Improper Access Control

CWE-284

Missing Authentication for Critical Function

CWE-306

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): PARTIAL
Integrity (I): PARTIAL
Availability (A): PARTIAL
Additional information:

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