Main Vulnerability Database Vulnerabilities #VU31328

Input validation error in MediaWiki - CVE-2017-0370

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

Vulnerability identifier: #VU31328

CSH Severity: Medium

CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N]

CVE-ID: CVE-2017-0370

CWE-ID: CWE-20

Exploitation vector: Remote access

Exploit availability: No public exploit available

Vulnerability details

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

Mediawiki before 1.28.1 / 1.27.2 / 1.23.16 contains a flaw were Spam blacklist is ineffective on encoded URLs inside file inclusion syntax's link parameter.

Affected software

MediaWiki
Arch Linux
Fedora
mediawiki

How to mitigate CVE-2017-0370

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/T48143
https://security-tracker.debian.org/tracker/CVE-2017-0370

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