MediaWiki up to 1.23.14/1.26.3/1.27.0 Special:Undelete access control

CVSS Meta Temp Score
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CTI Interest Score
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6.1$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, was found in MediaWiki up to 1.23.14/1.26.3/1.27.0. This issue affects the function Special:Undelete. The manipulation results in access control. This vulnerability was named CVE-2016-6336. The attack may be performed from remote. There is no available exploit. You should upgrade the affected component.

Detailsinfo

A vulnerability classified as critical has been found in MediaWiki up to 1.23.14/1.26.3/1.27.0 (Content Management System). Affected is the function Special:Undelete. The manipulation with an unknown input leads to a access control vulnerability. CWE is classifying the issue as CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

MediaWiki before 1.23.15, 1.26.x before 1.26.4, and 1.27.x before 1.27.1 allows remote authenticated users with undelete permissions to bypass intended suppressrevision and deleterevision restrictions and remove the revision deletion status of arbitrary file revisions by using Special:Undelete.

The bug was discovered 04/20/2017. The weakness was presented 04/20/2017 (Website). The advisory is shared for download at lists.wikimedia.org. This vulnerability is traded as CVE-2016-6336 since 07/26/2016. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Successful exploitation requires user interaction by the victim. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1068.

The vulnerability scanner Nessus provides a plugin with the ID 93195 (MediaWiki 1.23.x < 1.23.15 / 1.26.x < 1.26.4 / 1.27.x < 1.27.1 Multiple Vulnerabilities), which helps to determine the existence of the flaw in a target environment. It is assigned to the family CGI abuses and running in the context r. The commercial vulnerability scanner Qualys is able to test this issue with plugin 11684 (Mediawiki Multiple Vulnerabilities (MediaWiki Security Release: 1.27.1, 1.26.4, 1.23.15)).

Upgrading to version 1.23.15, 1.26.4 or 1.27.1 eliminates this vulnerability. A possible mitigation has been published before and not just after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (93195). See VDB-100363, VDB-100364, VDB-100365 and VDB-100366 for similar entries. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

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Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.2

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.5
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Access control
CWE: CWE-284 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 93195
Nessus Name: MediaWiki 1.23.x < 1.23.15 / 1.26.x < 1.26.4 / 1.27.x < 1.27.1 Multiple Vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 867773
OpenVAS Name: Fedora Update for mediawiki FEDORA-2016-ce1678471e
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: MediaWiki 1.23.15/1.26.4/1.27.1

Timelineinfo

07/26/2016 🔍
08/23/2016 +28 days 🔍
08/29/2016 +6 days 🔍
04/20/2017 +234 days 🔍
04/20/2017 +0 days 🔍
04/20/2017 +0 days 🔍
04/21/2017 +1 days 🔍
09/18/2020 +1246 days 🔍

Sourcesinfo

Product: mediawiki.org

Advisory: lists.wikimedia.org
Status: Not defined
Confirmation: 🔍

CVE: CVE-2016-6336 (🔍)
GCVE (CVE): GCVE-0-2016-6336
GCVE (VulDB): GCVE-100-100368
OSVDB: - CVE-2016-6336 - MediaWiki - Security Bypass Issue

See also: 🔍

Entryinfo

Created: 04/21/2017 09:55
Updated: 09/18/2020 19:02
Changes: 04/21/2017 09:55 (73), 09/18/2020 19:02 (3)
Complete: 🔍
Cache ID: 216::103

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