#VU31322 Open redirect in MediaWiki - CVE-2017-0364

Vulnerability identifier: #VU31322

Vulnerability risk: Low

CVSSv4.0: 1.2 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2017-0364

CWE-ID: CWE-601

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
MediaWiki
Web applications / CMS

Vendor: MediaWiki.org

Description

The vulnerability allows a remote non-authenticated attacker to read and manipulate data.

Mediawiki before 1.28.1 / 1.27.2 / 1.23.16 contains a flaw where Special:Search allows redirects to any interwiki link.

Mitigation
Install update from vendor's website.

Vulnerable software versions

MediaWiki: 1.28.0

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External links
https://lists.wikimedia.org/pipermail/mediawiki-announce/2017-April/000207.html
https://phabricator.wikimedia.org/T122209
https://security-tracker.debian.org/tracker/CVE-2017-0364

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.