MediaWiki up to 1.23.15/1.27.1/1.28.0 rawHTML Mode input validation

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
6.2	$0-$5k	0.00

Summaryinfo

A vulnerability has been found in MediaWiki up to 1.23.15/1.27.1/1.28.0 and classified as critical. Affected by this issue is some unknown functionality of the component rawHTML Mode. This manipulation causes input validation. This vulnerability is handled as CVE-2017-0368. The attack can be initiated remotely. There is not any exploit available. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in MediaWiki up to 1.23.15/1.27.1/1.28.0 (Content Management System). It has been declared as critical. Affected by this vulnerability is an unknown part of the component rawHTML Mode. The manipulation with an unknown input leads to a input validation vulnerability. The CWE definition for the vulnerability is CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

Mediawiki before 1.28.1 / 1.27.2 / 1.23.16 contains a flaw making rawHTML mode apply to system messages.

The bug was discovered 04/06/2018. The weakness was released 04/13/2018 (Website). The advisory is shared at lists.wikimedia.org. This vulnerability is known as CVE-2017-0368 since 11/29/2016. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Neither technical details nor an exploit are publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 99408 (Fedora 25 : mediawiki (2017-3fb95ed01f)), 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 11791 (Mediawiki Multiple Vulnerabilities (MediaWiki Security Release: 1.28.1/1.27.2/1.23.16)).

Upgrading to version 1.23.16, 1.27.2 or 1.28.1 eliminates this vulnerability. A possible mitigation has been published even before and not after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (99408). Entries connected to this vulnerability are available at VDB-116154, VDB-116155, VDB-116156 and VDB-116157. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

• Content Management System

Name

• MediaWiki

Version

• 1.0
• 1.1
• 1.2
• 1.3
• 1.4
• 1.5
• 1.6
• 1.7
• 1.8
• 1.9
• 1.10
• 1.11
• 1.12
• 1.13
• 1.14
• 1.15
• 1.16
• 1.17
• 1.18
• 1.19
• 1.20
• 1.21
• 1.22
• 1.23
• 1.23.0
• 1.23.1
• 1.23.2
• 1.23.3
• 1.23.4
• 1.23.5
• 1.23.6
• 1.23.7
• 1.23.8
• 1.23.9
• 1.23.10
• 1.23.11
• 1.23.12
• 1.23.13
• 1.23.14
• 1.23.15
• 1.24
• 1.25
• 1.26
• 1.27
• 1.27.0
• 1.27.1
• 1.28.0

License

• open-source

Website

• Product: https://www.mediawiki.org/wiki/MediaWiki

CPE 2.3info

• 🔍
• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍
• 🔍

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.2

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

NVD Base Score: 5.3
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

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

NVD Base Score: 🔍

Exploitinginfo

Class: Input validation
CWE: CWE-20
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Nessus ID: 99408
Nessus Name: Fedora 25 : mediawiki (2017-3fb95ed01f)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 867773
OpenVAS Name: Fedora Update for mediawiki FEDORA-2017-3fb95ed01f
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 1.23.16/1.27.2/1.28.1

Timelineinfo

11/29/2016 🔍
04/15/2017 +137 days 🔍
04/17/2017 +2 days 🔍
04/06/2018 +354 days 🔍
04/13/2018 +6 days 🔍
04/13/2018 +0 days 🔍
04/16/2018 +3 days 🔍
02/27/2023 +1778 days 🔍

Sourcesinfo

Product: mediawiki.org

Advisory: FEDORA-2017-3fb95ed01f
Status: Not defined
Confirmation: 🔍

CVE: CVE-2017-0368 (🔍)
GCVE (CVE): GCVE-0-2017-0368
GCVE (VulDB): GCVE-100-116161
See also: 🔍

Entryinfo

Created: 04/16/2018 09:24
Updated: 02/27/2023 16:15
Changes: 04/16/2018 09:24 (74), 01/24/2020 20:52 (1), 02/27/2023 16:15 (4)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Discussion

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