CVE Vulnerabilities

CVE-2017-8809

Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')

Published: Nov 15, 2017 | Modified: Nov 28, 2017
CVSS 3.x
9.8
CRITICAL
Source:
NVD
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 2.x
7.5 HIGH
AV:N/AC:L/Au:N/C:P/I:P/A:P
RedHat/V2
RedHat/V3
Ubuntu
MEDIUM

api.php in MediaWiki before 1.27.4, 1.28.x before 1.28.3, and 1.29.x before 1.29.2 has a Reflected File Download vulnerability.

Weakness

The product constructs all or part of a command, data structure, or record using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify how it is parsed or interpreted when it is sent to a downstream component.

Affected Software

Name Vendor Start Version End Version
Mediawiki Mediawiki * 1.27.3 (including)
Mediawiki Mediawiki 1.28.0 (including) 1.28.0 (including)
Mediawiki Mediawiki 1.28.1 (including) 1.28.1 (including)
Mediawiki Mediawiki 1.28.2 (including) 1.28.2 (including)
Mediawiki Mediawiki 1.29.0 (including) 1.29.0 (including)
Mediawiki Mediawiki 1.29.1 (including) 1.29.1 (including)
Mediawiki Ubuntu artful *
Mediawiki Ubuntu trusty *
Mediawiki Ubuntu upstream *
Mediawiki Ubuntu zesty *

Potential Mitigations

References