Security restrictions bypass in MediaWiki - CVE-2018-0503

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Main Vulnerability Database Vulnerabilities #VU14825

Security restrictions bypass in MediaWiki - CVE-2018-0503

Published: September 21, 2018


Vulnerability identifier: #VU14825
CSH Severity: Low
CVSS v4: 5.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2018-0503
CWE-ID: CWE-264
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote authenticated attacker to bypass certain security restrictions.

The vulnerability exists due to value of "$wgRateLimits" overrides setting for "newbie" users. A remote authenticated attacker can bypass intended limits.


Affected software

MediaWiki
mediawiki (Debian package)
mediawiki
Red Hat OpenShift Container Platform
Fedora

How to mitigate CVE-2018-0503

Install updates from vendor's website.

MediaWiki - addressed in versions 1.27.5, 1.29.3, 1.30.1, 1.31.1
mediawiki (Debian package) - update to 1:1.27.5-1~deb9u1
mediawiki - addressed in versions 1.29.3-1.fc27, 1.29.3-1.fc28, 1.29.3-1.fc29

External References

Related Security Bulletins