SB2023011267 - Multiple vulnerabilities in MediaWiki

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Main Vulnerability Database SB2023011267

SB2023011267 - Multiple vulnerabilities in MediaWiki

Published: January 12, 2023

Security Bulletin ID SB2023011267
Severity
Medium
Patch available
YES
Number of vulnerabilities 6
Exploitation vector Remote access
Highest impact Denial of service

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 6 secuirty vulnerabilities.


1) Information disclosure (CVE-ID: CVE-2022-39193)

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to output of the supressed information by the application. A remote attacker can gain unauthorized access to sensitive information on the system.


2) Improper Authorization (CVE-ID: CVE-2023-22945)

The vulnerability allows a remote user to bypass authorization.

The vulnerability exists due to an error in the GrowthExperiments extension. Action=growthmanagementorlist makes it possible for blocked users to enroll as mentors via the growthmanagementorlist API.


3) Inadequate Encryption Strength (CVE-ID: CVE-2023-22912)

The vulnerability allows a remote user to gain access to sensitive information.

The vulnerability exist due to usage of AES-CTR encryption with repeated nonce in TokenManager. A remote attacker can decrypt sensitive information.


4) Resource management error (CVE-ID: CVE-2023-22909)

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to improper management of internal resources in SpecialMobileHistory in the Mobile's frontend, which makes database queries very slow. A remote attacker can perform a denial of service (DoS) attack.


5) Cross-site scripting (CVE-ID: CVE-2023-22911)

The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.

The vulnerability exists due to insufficient sanitization of user-supplied data in E-Widgets. A remote attacker can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in user's browser in context of vulnerable website.

Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.


6) Cross-site scripting (CVE-ID: CVE-2023-22910)

The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.

The vulnerability exists due to insufficient sanitization of user-supplied data in Wikibase date formatting. A remote attacker can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in user's browser in context of vulnerable website.

Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.


Remediation

Install update from vendor's website.

References