MediaWiki 1.18.4/1.19.1 External Authentication Plugin cross site scripting

CVSS Meta Temp Score
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CTI Interest Score
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5.8$0-$5k0.00

Summaryinfo

A vulnerability described as problematic has been identified in MediaWiki 1.18.4/1.19.1. Impacted is an unknown function of the component External Authentication Plugin. Executing a manipulation can lead to cross site scripting. This vulnerability appears as CVE-2012-4377. The attack may be performed from remote. There is no available exploit. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability has been found in MediaWiki 1.18.4/1.19.1 (Content Management System) and classified as problematic. This vulnerability affects an unknown code block of the component External Authentication Plugin. The manipulation with an unknown input leads to a cross site scripting vulnerability. The CWE definition for the vulnerability is CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. As an impact it is known to affect confidentiality, and integrity. CVE summarizes:

Cross-site scripting (XSS) vulnerability in MediaWiki before 1.18.5 and 1.19.x before 1.19.2 allows remote attackers to inject arbitrary web script or HTML via a File: link to a nonexistent image.

The weakness was presented 08/31/2012 as not defined mailinglist post (Website). The advisory is shared for download at lists.wikimedia.org. This vulnerability was named CVE-2012-4377 since 08/21/2012. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1059.007.

The vulnerability scanner Nessus provides a plugin with the ID 61765 (FreeBSD : mediawiki -- multiple vulnerabilities (7c0fecd6-f42f-11e1-b17b-000c2977ec30)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family FreeBSD Local Security Checks and running in the context l.

Upgrading to version 1.18.5 or 1.19.2 eliminates this vulnerability. The upgrade is hosted for download at download.wikimedia.org. Applying the patch mediawiki-1.19.2.patch.gz is able to eliminate this problem. The bugfix is ready for download at download.wikimedia.org. The best possible mitigation is suggested to be upgrading to the latest version. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (61765), OSVDB (85108†) and Secunia (SA50477†). Additional details are provided at bugzilla.wikimedia.org. See VDB-6086, VDB-6097, VDB-6098 and VDB-6099 for similar entries. Once again VulDB remains the best 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: 6.1
VulDB Meta Temp Score: 5.9

VulDB Base Score: 6.1
VulDB Temp Score: 5.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.1
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Cross site scripting
CWE: CWE-79 / CWE-94 / CWE-74
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: 61765
Nessus Name: FreeBSD : mediawiki -- multiple vulnerabilities (7c0fecd6-f42f-11e1-b17b-000c2977ec30)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Nessus Port: 🔍

OpenVAS ID: 71871
OpenVAS Name: FreeBSD Ports: mediawiki
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Upgrade: MediaWiki 1.18.5/1.19.2
Patch: mediawiki-1.19.2.patch.gz

Timelineinfo

08/21/2012 🔍
08/31/2012 +10 days 🔍
08/31/2012 +0 days 🔍
09/01/2012 +1 days 🔍
09/04/2012 +3 days 🔍
09/05/2012 +1 days 🔍
10/26/2017 +1877 days 🔍
04/27/2019 +548 days 🔍

Sourcesinfo

Product: mediawiki.org

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

CVE: CVE-2012-4377 (🔍)
GCVE (CVE): GCVE-0-2012-4377
GCVE (VulDB): GCVE-100-6088
Secunia: 50477 - MediaWiki Multiple Vulnerabilities, Moderately Critical
OSVDB: 85108

Misc.: 🔍
See also: 🔍

Entryinfo

Created: 09/05/2012 16:59
Updated: 04/27/2019 18:40
Changes: 09/05/2012 16:59 (72), 04/27/2019 18:40 (12)
Complete: 🔍
Cache ID: 216:0EA:103

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