Improper access control in MediaWiki - CVE-2018-0504
Published: September 21, 2018
Vulnerability identifier: #VU14826
CSH Severity: Low
CVSS v4: 5.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2018-0504
CWE-ID: CWE-284
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote authenticated attacker to gain access to sensitive information.
The vulnerability exists due to incorrect validation of user privileges when log event is partially hidden. A remote authenticated attacker can access sensitive information from the log event via the 'Special:Redirect/logid' function.
Affected software
MediaWiki
mediawiki (Debian package)
mediawiki
Red Hat OpenShift Container Platform
Fedora
mediawiki (Debian package)
mediawiki
Red Hat OpenShift Container Platform
Fedora
How to mitigate CVE-2018-0504
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
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