MediaWiki up to 1.23.11/1.24.4/1.25.3/1.26.0 User::randomPassword wgMinimalPasswordLength credentials management

CVSS Meta Temp Score
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CTI Interest Score
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7.7$0-$5k0.00

Summaryinfo

A vulnerability described as problematic has been identified in MediaWiki up to 1.23.11/1.24.4/1.25.3/1.26.0. Affected by this issue is the function User::randomPassword. The manipulation of the argument wgMinimalPasswordLength results in credentials management (Password). This vulnerability was named CVE-2015-8626. The attack may be performed from remote. There is no available exploit. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability, which was classified as critical, was found in MediaWiki up to 1.23.11/1.24.4/1.25.3/1.26.0 (Content Management System). Affected is the function User::randomPassword. The manipulation of the argument wgMinimalPasswordLength with an unknown input leads to a credentials management vulnerability (Password). CWE is classifying the issue as CWE-255. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

The User::randomPassword function in MediaWiki before 1.23.12, 1.24.x before 1.24.5, 1.25.x before 1.25.4, and 1.26.x before 1.26.1 generates passwords smaller than $wgMinimalPasswordLength, which makes it easier for remote attackers to obtain access via a brute-force attack.

The bug was discovered 12/23/2015. The weakness was presented 03/23/2017 (Website). The advisory is available at lists.wikimedia.org. This vulnerability is traded as CVE-2015-8626 since 12/23/2015. The exploitability is told to be difficult. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Successful exploitation requires user interaction by the victim. Technical details are known, but there is no available exploit. This vulnerability is assigned to T1552 by the MITRE ATT&CK project.

The vulnerability was handled as a non-public zero-day exploit for at least 1 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 87616 (FreeBSD : mediawiki -- multiple vulnerabilities (f36bbd66-aa44-11e5-8f5c-002590263bf5)), 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 1.23.12, 1.24.5, 1.25.4 or 1.26.1 eliminates this vulnerability. A possible mitigation has been published before and not just after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (87616). See VDB-98414, VDB-98415, VDB-98416 and VDB-98417 for similar entries. 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: 8.0
VulDB Meta Temp Score: 7.9

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
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

Name: Password
Class: Credentials management / Password
CWE: CWE-255
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: 87616
Nessus Name: FreeBSD : mediawiki -- multiple vulnerabilities (f36bbd66-aa44-11e5-8f5c-002590263bf5)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 801900
OpenVAS Name: MediaWiki Multiple Vulnerabilities - Dec15 (Windows)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: MediaWiki 1.23.12/1.24.5/1.25.4/1.26.1

Timelineinfo

12/23/2015 🔍
12/23/2015 +0 days 🔍
12/24/2015 +1 days 🔍
12/29/2015 +5 days 🔍
03/23/2017 +450 days 🔍
03/23/2017 +0 days 🔍
03/24/2017 +1 days 🔍
09/12/2020 +1268 days 🔍

Sourcesinfo

Product: mediawiki.org

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

CVE: CVE-2015-8626 (🔍)
GCVE (CVE): GCVE-0-2015-8626
GCVE (VulDB): GCVE-100-98418
OSVDB: - CVE-2015-8626 - MediaWiki - Brute Force Issue

See also: 🔍

Entryinfo

Created: 03/24/2017 07:19
Updated: 09/12/2020 07:48
Changes: 03/24/2017 07:19 (74), 09/12/2020 07:48 (3)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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