Vulnerability identifier: #VU31319

Vulnerability risk: Low

CVSSv3.1: 6.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2017-0361

CWE-ID: CWE-200

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
MediaWiki
Web applications / CMS

Vendor: MediaWiki.org

Description

The vulnerability allows a local authenticated user to execute arbitrary code.

Mediawiki before 1.28.1 / 1.27.2 / 1.23.16 contains an information disclosure flaw, where the api.log might contain passwords in plaintext.

Mitigation
Install update from vendor's website.

Vulnerable software versions

MediaWiki: 1.28.0

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External links
http://www.securitytracker.com/id/1039812
http://lists.wikimedia.org/pipermail/mediawiki-announce/2017-April/000207.html
http://phabricator.wikimedia.org/T125177
http://security-tracker.debian.org/tracker/CVE-2017-0361

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Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

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