MediaWiki up to 1.19.23/1.23.8/1.24.1 SVG/PDF File resource management

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

Summaryinfo

A vulnerability, which was classified as problematic, has been found in MediaWiki up to 1.19.23/1.23.8/1.24.1. Affected by this issue is some unknown functionality of the component SVG/PDF File Handler. The manipulation leads to resource management. This vulnerability is handled as CVE-2015-2942. There is no exploit available. It is recommended to upgrade the affected component. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Detailsinfo

A vulnerability classified as problematic was found in MediaWiki up to 1.19.23/1.23.8/1.24.1 (Content Management System). Affected by this vulnerability is an unknown function of the component SVG/PDF File Handler. 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:

MediaWiki before 1.19.24, 1.2x before 1.23.9, and 1.24.x before 1.24.2, when using HHVM, allows remote attackers to cause a denial of service (CPU and memory consumption) via a large number of nested entity references in an (1) SVG file or (2) XMP metadata in a PDF file, aka a "billion laughs attack," a different vulnerability than CVE-2015-2937.

The weakness was shared 03/31/2015 by Bawolff with iSEC Partners (oss-sec). The advisory is shared at openwall.com. This vulnerability is known as CVE-2015-2942 since 04/07/2015. 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 84164 (MediaWiki < 1.19.24 / 1.23.9 / 1.24.2 Multiple Vulnerabilities), which helps to determine the existence of the flaw in a target environment. It is assigned to the family CGI abuses. The commercial vulnerability scanner Qualys is able to test this issue with plugin 13127 (Mediawiki Multiple Vulnerabilities (MediaWiki Security Release: 1.19.24, 1.23.9 and 1.24.2)).

Upgrading to version 1.19.24, 1.23.9 or 1.24.2 eliminates this vulnerability.

The vulnerability is also documented in the databases at Tenable (84164), SecurityFocus (BID 73477†) and Vulnerability Center (SBV-49883†). The entries VDB-74794, VDB-74798, VDB-74799 and VDB-74800 are related to this item. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

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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

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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: 🔍

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Nessus ID: 84164
Nessus Name: MediaWiki < 1.19.24 / 1.23.9 / 1.24.2 Multiple Vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 801900
OpenVAS Name: MediaWiki Multiple Vulnerabilities - Mar15 (Windows)
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 1.19.24/1.23.9/1.24.2

Timelineinfo

03/31/2015 🔍
03/31/2015 +0 days 🔍
04/07/2015 +7 days 🔍
04/13/2015 +6 days 🔍
04/13/2015 +0 days 🔍
04/14/2015 +1 days 🔍
04/26/2015 +12 days 🔍
05/03/2022 +2564 days 🔍

Sourcesinfo

Product: mediawiki.org

Advisory: openwall.com
Researcher: Bawolff
Organization: iSEC Partners
Status: Not defined
Confirmation: 🔍

CVE: CVE-2015-2942 (🔍)
GCVE (CVE): GCVE-0-2015-2942
GCVE (VulDB): GCVE-100-74809
SecurityFocus: 73477 - MediaWiki Multiple Security Vulnerabilities
Vulnerability Center: 49883 - MediaWiki 1.1x and 1.2x Remote DoS \, Medium

See also: 🔍

Entryinfo

Created: 04/14/2015 09:53
Updated: 05/03/2022 22:49
Changes: 04/14/2015 09:53 (63), 06/27/2017 03:51 (9), 05/03/2022 22:49 (3)
Complete: 🔍
Cache ID: 216:0E8:103

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