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.
5.1	$0-$5k	0.00

A vulnerability classified as problematic was found in MediaWiki up to 1.23.9/1.24.2/1.25.1 (Content Management System). Affected by this vulnerability is some unknown processing of the component GeSHi. The manipulation with an unknown input leads to a resource management vulnerability. The CWE definition for the vulnerability is CWE-399. As an impact it is known to affect availability. The summary by CVE is:

GeSHi, as used in the SyntaxHighlight_GeSHi extension and MediaWiki before 1.23.10, 1.24.x before 1.24.3, and 1.25.x before 1.25.2, allows remote attackers to cause a denial of service (resource consumption) via unspecified vectors.

The weakness was published 09/01/2015 (Website). The advisory is shared at phabricator.wikimedia.org. This vulnerability is known as CVE-2015-6733 since 08/27/2015. The exploitation appears to be easy. 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 85698 (Fedora 23 : mediawiki-1.25.2-2.fc23 (2015-13920)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Fedora Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 123934 (Fedora Security Update for mediawiki (FEDORA-2015-13920)).

Upgrading to version 1.23.10, 1.24.3 or 1.25.2 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (85698).

Affected

• SyntaxHighlight_GeSHi Extension

Productinfo

Type

• Content Management System

Name

• MediaWiki

Version

• 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
• 1.24.0
• 1.24.1
• 1.24.2
• 1.25.0
• 1.25.1

License

• open-source

CPE 2.3info

• 🔍
• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍
• 🔍

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.1

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

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: Resource management
CWE: CWE-399 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

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: 85698
Nessus Name: Fedora 23 : mediawiki-1.25.2-2.fc23 (2015-13920)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 18627
OpenVAS Name: Gentoo Linux Local Check: https://security.gentoo.org/glsa/201510-05
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 1.23.10/1.24.3/1.25.2

Timelineinfo

08/12/2015 🔍
08/27/2015 +15 days 🔍
08/31/2015 +4 days 🔍
09/01/2015 +1 days 🔍
09/01/2015 +0 days 🔍
09/03/2015 +2 days 🔍
09/08/2015 +5 days 🔍
06/14/2022 +2471 days 🔍

Sourcesinfo

Product: mediawiki.org

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

CVE: CVE-2015-6733 (🔍)
Vulnerability Center: 52479 - Mediawiki Remote DoS Vulnerability in SyntaxHighlight_GeSHi Extension, Medium
SecurityFocus: 76361 - MediaWiki SyntaxHighlight_GeSHi Extension Cross Site Scripting and Denial of Service Vulnerabilities

Entryinfo

Created: 09/03/2015 10:22
Updated: 06/14/2022 08:22
Changes: 09/03/2015 10:22 (62), 12/08/2017 11:44 (9), 06/14/2022 08:22 (3)
Complete: 🔍
Cache ID: 18:9D6:103

Discussion

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