PT-2017-18548 · Wikimedia+1 · Mediawiki+1

Published 2017-11-15 · Updated 2017-12-11 · CVE-2017-8814

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

AV: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.

Exploit

Fix

RCE

Weakness Enumeration

CWE-20

Related Identifiers

ALT-PU-2017-2786

CVE-2017-8814

DSA-4036-1

MGASA-2017-0429

Affected Products

Alt Linux

Mediawiki

References · 26

• 🔥 https://github.com/motikan2010/CVE-2017-8809_MediaWiki_RFD · Exploit
• https://security-tracker.debian.org/tracker/source-package/mediawiki · Vendor Advisory
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-8812 · Security Note
• https://advisories.mageia.org/MGASA-2017-0429.html · Security Note
• https://osv.dev/vulnerability/MGASA-2017-0429 · Vendor Advisory
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-8808 · Security Note
• https://lists.wikimedia.org/pipermail/mediawiki-announce/2017-November/000216.html · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2017-8814 · Vendor Advisory
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-8810 · Security Note
• https://debian.org/security/2017/dsa-4036 · Vendor Advisory
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-8811 · Security Note
• https://security-tracker.debian.org/tracker/DSA-4036-1 · Vendor Advisory
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-8815 · Security Note
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-8814 · Security Note
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-8809 · Security Note