MediaWiki up to 1.23.14/1.26.3/1.27.0 ApiParse api.php access control

CVSS Meta Temp Score
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CTI Interest Score
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7.2$0-$5k0.00

Summaryinfo

A vulnerability marked as critical has been reported in MediaWiki up to 1.23.14/1.26.3/1.27.0. Affected is an unknown function of the file api.php of the component ApiParse. This manipulation causes access control. This vulnerability appears as CVE-2016-6331. The attack may be initiated remotely. There is no available exploit. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability has been found in MediaWiki up to 1.23.14/1.26.3/1.27.0 (Content Management System) and classified as critical. Affected by this vulnerability is an unknown code of the file api.php of the component ApiParse. The manipulation with an unknown input leads to a access control vulnerability. The CWE definition for the vulnerability is CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

ApiParse in MediaWiki before 1.23.15, 1.26.x before 1.26.4, and 1.27.x before 1.27.1 allows remote attackers to bypass intended per-title read restrictions via a parse action to api.php.

The bug was discovered 04/20/2017. The weakness was presented 04/20/2017 (Website). It is possible to read the advisory at lists.wikimedia.org. This vulnerability is known as CVE-2016-6331 since 07/26/2016. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1068 according to MITRE ATT&CK.

By approaching the search of inurl:api.php it is possible to find vulnerable targets with Google Hacking. The vulnerability scanner Nessus provides a plugin with the ID 94835 (Fedora 25 : mediawiki (2016-9299ce1c7d)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Fedora Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 276147 (Fedora Security Update for mediawiki (FEDORA-2016-af3b0af887)).

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 (94835). See VDB-100364, VDB-100365, VDB-100366 and VDB-100367 for similar entries. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.4
VulDB Meta Temp Score: 7.2

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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💳💳💳💳💳💳
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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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
Google Hack: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 94835
Nessus Name: Fedora 25 : mediawiki (2016-9299ce1c7d)
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 🔍
09/06/2016 +42 days 🔍
11/15/2016 +70 days 🔍
04/20/2017 +156 days 🔍
04/20/2017 +0 days 🔍
04/20/2017 +0 days 🔍
04/21/2017 +1 days 🔍
12/01/2022 +2050 days 🔍

Sourcesinfo

Product: mediawiki.org

Advisory: FEDORA-2016-9299ce1c7d
Status: Not defined
Confirmation: 🔍

CVE: CVE-2016-6331 (🔍)
GCVE (CVE): GCVE-0-2016-6331
GCVE (VulDB): GCVE-100-100363
OSVDB: - CVE-2016-6331 - MediaWiki - Security Bypass Issue

See also: 🔍

Entryinfo

Created: 04/21/2017 09:53
Updated: 12/01/2022 14:32
Changes: 04/21/2017 09:53 (73), 09/18/2020 18:39 (3), 12/01/2022 14:32 (4)
Complete: 🔍
Cache ID: 216::103

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