PT-2017-18548

CVE-2017-8814

Published

2017-11-15

Updated

2017-12-11

Description by

CVSS 3.1

7.5

High

MetricsAV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Name of the Vulnerable Software and Affected Versions MediaWiki versions prior to 1.27.4 MediaWiki versions 1.28.x prior to 1.28.3 MediaWiki versions 1.29.x prior to 1.29.2

Description The issue allows attackers to replace text inside tags by utilizing a rule definition followed by excessive irrelevant data.

Recommendations For MediaWiki versions prior to 1.27.4, update to version 1.27.4 or later. For MediaWiki versions 1.28.x prior to 1.28.3, update to version 1.28.3 or later. For MediaWiki versions 1.29.x prior to 1.29.2, update to version 1.29.2 or later.

Exploitability

Exploit

Fix

Impacts

Vendors

Affected products

Weakness enumeration

CWE-20: Improper Input Validation

Related identifiers

CVE-2017-8814

ALT-PU-2017-2786

DSA-4036-1