SB2023082814 - Fedora 38 update for mediawiki

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Main Vulnerability Database SB2023082814

SB2023082814 - Fedora 38 update for mediawiki

Published: August 28, 2023

Security Bulletin ID SB2023082814
Severity
Medium
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Remote access
Highest impact Data manipulation

Breakdown by Severity

Medium 50% Low 50%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 secuirty vulnerabilities.


1) Arbitrary file upload (CVE-ID: CVE-2023-36674)

The vulnerability allows a remote user to upload dangerous files to the server.

The vulnerability exists due to insufficient validation of file during file upload in Manualthumb. A remote user can upload dangerous files on the server.


2) Cross-site scripting (CVE-ID: CVE-2023-36675)

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 within BlockLogFormatter.php in BlockLogFormatter. 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