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CVE-2016-6337

Good to know:

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Date: April 20, 2017

MediaWiki 1.27.x before 1.27.1 might allow remote attackers to bypass intended session access restrictions by leveraging a call to the UserGetRights function after Session::getAllowedUserRights.

Language: PHP

Severity Score

Related Resources (5)

https://nvd.nist.gov/vuln/detail/CVE-2016-6337
https://lists.wikimedia.org/pipermail/mediawiki-announce/2016-August/000195.html
https://security-tracker.debian.org/tracker/CVE-2016-6337
https://phabricator.wikimedia.org/T139670
https://www.mend.io/vulnerability-database/CVE-2016-6337

Severity Score

Weakness Type (CWE)

Improper Access Control

CWE-284

Top Fix

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Upgrade Version

Upgrade to version 1.24.15;1.26.4;1.27.1

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CVSS v3

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

CVSS v2

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

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