GHSA-7mqg-5fgh-xh4r

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    GHSA-7mqg-5fgh-xh4r

    Published: 24 May 2022Last Modified: 19 May 2024

    Summary: MediaWiki Incorrect Access Control vulnerability

    Details: An Incorrect Access Control vulnerability was found in Wikimedia MediaWiki 1.18.0 through 1.32.1. It is possible to bypass the limits on IP range blocks ($wgBlockCIDRLimit) by using the API. Fixed in 1.32.2, 1.31.2, 1.30.2 and 1.27.6.

    References: https://nvd.nist.gov/vuln/detail/CVE-2019-12472, https://github.com/FriendsOfPHP/security-advisories/blob/master/mediawiki/core/CVE-2019-12472.yaml, https://github.com/wikimedia/mediawiki, https://lists.wikimedia.org/pipermail/wikitech-l/2019-June/092152.html, https://phabricator.wikimedia.org/T199540

    Affected packages

    Package

    Name: mediawiki/core

    Purl: pkg:composer/mediawiki/core

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 1.18.0
    Fixed -1.27.6

    Affected versions

    1.20.3
    1.20.4
    1.20.5
    1.20.6
    1.20.7
    1.20.8

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High