MediaWiki up to 1.23.15/1.27.1/1.28.0 SVG Filter 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.
4.7$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in MediaWiki up to 1.23.15/1.27.1/1.28.0. Affected is an unknown function of the component SVG Filter. The manipulation leads to input validation. This vulnerability is traded as CVE-2017-0366. It is possible to initiate the attack remotely. There is no exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in MediaWiki up to 1.23.15/1.27.1/1.28.0 (Content Management System) and classified as critical. This issue affects an unknown functionality of the component SVG Filter. The manipulation with an unknown input leads to a input validation vulnerability. Using CWE to declare the problem leads to 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. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Mediawiki before 1.28.1 / 1.27.2 / 1.23.16 contains a flaw allowing to evade SVG filter using default attribute values in DTD declaration.

The bug was discovered 04/06/2018. The weakness was shared 04/13/2018 (Website). It is possible to read the advisory at lists.wikimedia.org. The identification of this vulnerability is CVE-2017-0366 since 11/29/2016. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. It demands that the victim is doing some kind of user interaction. The technical details are unknown and an exploit is not 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). The entries VDB-116154, VDB-116155, VDB-116156 and VDB-116157 are related to this item. Be aware that VulDB is the high quality source 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: 4.8
VulDB Meta Temp Score: 4.7

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.4
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

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-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

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-2017-0366 (🔍)
GCVE (CVE): GCVE-0-2017-0366
GCVE (VulDB): GCVE-100-116159
See also: 🔍

Entryinfo

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

Be aware that VulDB is the high quality source for vulnerability data.

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Interested in the pricing of exploits?

See the underground prices here!