Main Vulnerability Database Vulnerabilities #VU31325

Exposure of Resource to Wrong Sphere in MediaWiki - CVE-2017-0367

Published: April 13, 2018 / Updated: July 17, 2020

Vulnerability identifier: #VU31325

CSH Severity: High

CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2017-0367

CWE-ID:

Exploitation vector: Remote access

Exploit availability: No public exploit available

Vulnerability details

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

Mediawiki before 1.28.1 / 1.27.2 contains an unsafe use of temporary directory, where having LocalisationCache directory default to system tmp directory is insecure.

Affected software

MediaWiki
Arch Linux
Fedora
mediawiki

How to mitigate CVE-2017-0367

Install update from vendor's website.

MediaWiki - update to 1.28.1
mediawiki - update to 1.27.2-1.fc25

External References

https://lists.wikimedia.org/pipermail/mediawiki-announce/2017-April/000207.html
https://phabricator.wikimedia.org/T161453
https://security-tracker.debian.org/tracker/CVE-2017-0367

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