MediaWiki up to 1.21.1 CentralAuth Extension CentralAuthHooks.php improper authentication

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-$5k0.00

Summaryinfo

A vulnerability classified as problematic was found in MediaWiki. Impacted is an unknown function of the file CentralAuthHooks.php of the component CentralAuth Extension. Such manipulation leads to improper authentication. This vulnerability is documented as CVE-2013-4304. There is not any exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability, which was classified as critical, has been found in MediaWiki (Content Management System). Affected by this issue is an unknown function of the file CentralAuthHooks.php of the component CentralAuth Extension. The manipulation with an unknown input leads to a improper authentication vulnerability. Using CWE to declare the problem leads to CWE-287. When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct. Impacted is confidentiality, and integrity. CVE summarizes:

The CentralAuth extension for MediaWiki 1.19.x before 1.19.8, 1.20.x before 1.20.7, and 1.21.x before 1.21.2 caches a valid CentralAuthUser object in the centralauth_User cookie even when a user has not successfully logged in, which allows remote attackers to bypass authentication without a password.

The weakness was released 09/03/2013 as Bug 52338 as not defined bug report (Bugtraq). The advisory is shared for download at bugzilla.wikimedia.org. This vulnerability is handled as CVE-2013-4304 since 06/12/2013. The attack may be launched remotely. No form of authentication is required for exploitation. There are known technical details, but no exploit is available.

By approaching the search of inurl:CentralAuthHooks.php it is possible to find vulnerable targets with Google Hacking. The vulnerability scanner Nessus provides a plugin with the ID 70677 (GLSA-201310-21 : MediaWiki: Multiple vulnerabilities), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Gentoo Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 12778 (MediaWiki Multiple Path Disclosure, Cross-Site Request Forgery and Cross-Site Scripting Vulnerabilities).

Upgrading to version 1.21.2 eliminates this vulnerability. The upgrade is hosted for download at mediawiki.org. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (86894), Tenable (70677), SecurityFocus (BID 62203†), OSVDB (96910†) and Secunia (SA54723†). Entries connected to this vulnerability are available at VDB-10132, VDB-10133, VDB-10134 and VDB-10135. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.2

VulDB Base Score: 6.5
VulDB Temp Score: 6.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

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

NVD Base Score: 🔍

Exploitinginfo

Class: Improper authentication
CWE: CWE-287
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined
Google Hack: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Nessus ID: 70677
Nessus Name: GLSA-201310-21 : MediaWiki: Multiple vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Upgrade: MediaWiki 1.21.2

Timelineinfo

06/12/2013 🔍
09/03/2013 +83 days 🔍
09/03/2013 +0 days 🔍
09/03/2013 +0 days 🔍
09/03/2013 +0 days 🔍
09/09/2013 +6 days 🔍
12/05/2013 +87 days 🔍
01/26/2014 +52 days 🔍
05/24/2021 +2675 days 🔍

Sourcesinfo

Product: mediawiki.org

Advisory: Bug 52338
Status: Not defined
Confirmation: 🔍

CVE: CVE-2013-4304 (🔍)
GCVE (CVE): GCVE-0-2013-4304
GCVE (VulDB): GCVE-100-10136
X-Force: 86894
SecurityFocus: 62203 - MediaWiki CentralAuth Extension CVE-2013-4304 Authentication Bypass Vulnerability
Secunia: 54723 - MediaWiki CentralAuth Extension Authentication Bypass Vulnerability, Moderately Critical
OSVDB: 96910
Vulnerability Center: 42474 - Mediawiki Versions 1.19-1.19.7, 1.20-1.20.6, 1.21-1.21.1 Remote Authentication Bypass in CentralAuth - CVE-2013-4304, High

See also: 🔍

Entryinfo

Created: 09/09/2013 12:09
Updated: 05/24/2021 08:00
Changes: 09/09/2013 12:09 (74), 05/16/2017 12:48 (4), 05/24/2021 08:00 (3)
Complete: 🔍
Committer: olku
Cache ID: 216:FA5:103

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Do you know our Splunk app?

Download it now for free!