Vulnerability identifier: #VU31324
Vulnerability risk: Medium
CVSSv3.1: 4.7 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-20
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
MediaWiki
Web applications /
CMS
Vendor: MediaWiki.org
Description
The vulnerability allows a remote authenticated user to read and manipulate data.
Mediawiki before 1.28.1 / 1.27.2 / 1.23.16 contains a flaw allowing to evade SVG filter using default attribute values in DTD declaration.
Mitigation
Install update from vendor's website.
Vulnerable software versions
MediaWiki: 1.28.0
External links
http://lists.wikimedia.org/pipermail/mediawiki-announce/2017-April/000207.html
http://phabricator.wikimedia.org/T151735
http://security-tracker.debian.org/tracker/CVE-2017-0366
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.