MediaWiki up to 1.18.1 padleft denial of service

CVSS Meta Temp Score
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CTI Interest Score
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5.1$0-$5k0.00

Summaryinfo

A vulnerability categorized as problematic has been discovered in MediaWiki up to 1.18.1. This affects the function padleft. The manipulation results in denial of service. This vulnerability is identified as CVE-2012-4885. The attack can be executed remotely. There is not any exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in MediaWiki up to 1.18.1 (Content Management System). It has been classified as problematic. Affected is the function padleft. The manipulation with an unknown input leads to a denial of service vulnerability. CWE is classifying the issue as CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. This is going to have an impact on availability. CVE summarizes:

The wikitext parser in MediaWiki 1.17.x before 1.17.3 and 1.18.x before 1.18.2 allows remote attackers to cause a denial of service (infinite loop) via certain input, as demonstrated by the padleft function.

The weakness was released 09/09/2012 by Brion Vibber (Bawolff) as Bug 35315 as not defined bug report (Bugzilla). The advisory is shared for download at bugzilla.wikimedia.org. This vulnerability is traded as CVE-2012-4885 since 09/09/2012. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1499.

The vulnerability scanner Nessus provides a plugin with the ID 58965 (MediaWiki < 1.17.3 / 1.18.2 Multiple Vulnerabilities), which helps to determine the existence of the flaw in a target environment. It is assigned to the family CGI abuses.

Upgrading to version 1.17 eliminates this vulnerability.

The vulnerability is also documented in the databases at Tenable (58965), SecurityFocus (BID 52689†), Secunia (SA48504†) and Vulnerability Center (SBV-36243†). Entries connected to this vulnerability are available at VDB-4908, VDB-4909, VDB-4910 and VDB-4911. Once again VulDB remains the best source for vulnerability data.

Productinfo

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

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

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

NVD Base Score: 🔍

Exploitinginfo

Class: Denial of service
CWE: CWE-404
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: 58965
Nessus Name: MediaWiki < 1.17.3 / 1.18.2 Multiple Vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: MediaWiki 1.17

Timelineinfo

03/22/2012 🔍
03/23/2012 +1 days 🔍
09/09/2012 +170 days 🔍
09/09/2012 +0 days 🔍
09/09/2012 +0 days 🔍
09/09/2012 +0 days 🔍
09/25/2012 +16 days 🔍
03/24/2015 +910 days 🔍
12/13/2021 +2456 days 🔍

Sourcesinfo

Product: mediawiki.org

Advisory: Bug 35315
Researcher: Brion Vibber (Bawolff)
Status: Not defined
Confirmation: 🔍

CVE: CVE-2012-4885 (🔍)
GCVE (CVE): GCVE-0-2012-4885
GCVE (VulDB): GCVE-100-62196
SecurityFocus: 52689 - MediaWiki Multiple Security Vulnerabilities
Secunia: 48504 - MediaWiki Multiple Vulnerabilities, Moderately Critical
Vulnerability Center: 36243 - MediaWiki Wikitext Parser Allows Remote DoS Vulnerability (Infinite Loop), Medium

See also: 🔍

Entryinfo

Created: 03/24/2015 12:22
Updated: 12/13/2021 13:39
Changes: 03/24/2015 12:22 (56), 04/19/2017 10:31 (15), 12/13/2021 13:39 (3)
Complete: 🔍
Cache ID: 216::103

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