Quiz Extension on MediaWiki Regex code

CVSS Meta Temp Score
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CTI Interest Score
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5.3$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, was found in Quiz Extension on MediaWiki. This impacts an unknown function of the component Regex Handler. Executing a manipulation can lead to denial of service. This vulnerability appears as CVE-2015-6736. There is no available exploit.

Detailsinfo

A vulnerability has been found in Quiz Extension on MediaWiki (affected version not known) and classified as problematic. This vulnerability affects some unknown functionality of the component Regex Handler. The manipulation with an unknown input leads to a code vulnerability. The CWE definition for the vulnerability is CWE-17. As an impact it is known to affect availability. CVE summarizes:

The Quiz extension for MediaWiki allows remote attackers to cause a denial of service via regex metacharacters in a regular expression.

The weakness was presented 09/01/2015 (Website). The advisory is shared for download at lists.wikimedia.org. This vulnerability was named CVE-2015-6736 since 08/27/2015. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are neither technical details nor an exploit 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)).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the databases at Tenable (85698), SecurityFocus (BID 76362†) and Vulnerability Center (SBV-52482†). See VDB-77534, VDB-77539, VDB-77540 and VDB-77541 for similar entries. Once again VulDB remains the best source for vulnerability data.

Productinfo

Name

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

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

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

CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

Class: Code
CWE: CWE-17
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: 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: 🔍
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Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

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

Advisory: lists.wikimedia.org
Status: Not defined

CVE: CVE-2015-6736 (🔍)
GCVE (CVE): GCVE-0-2015-6736
GCVE (VulDB): GCVE-100-77548
SecurityFocus: 76362 - MediaWiki Multiple Denial of Service Vulnerabilities
Vulnerability Center: 52482 - Mediawiki Remote DoS Vulnerability in Quiz Extension - CVE-2015-6736, Medium

See also: 🔍

Entryinfo

Created: 09/03/2015 10:23
Updated: 06/14/2022 08:34
Changes: 09/03/2015 10:23 (52), 12/09/2017 12:03 (14), 06/14/2022 08:34 (3)
Complete: 🔍
Cache ID: 216::103

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