#VU31008 Input validation error in MediaWiki - CVE-2019-12473

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Main Vulnerability Database Vulnerabilities #VU31008

#VU31008 Input validation error in MediaWiki - CVE-2019-12473

Published: July 10, 2019 / Updated: July 17, 2020


Vulnerability identifier: #VU31008
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2019-12473
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
MediaWiki
Software vendor:
MediaWiki.org

Description

The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.

Wikimedia MediaWiki 1.27.0 through 1.32.1 might allow DoS. Passing invalid titles to the API could cause a DoS by querying the entire watchlist table. Fixed in 1.32.2, 1.31.2, 1.30.2 and 1.27.6.


Remediation

Install update from vendor's website.

External links