Description

MediaWiki user Marco discovered that security checks for file uploads were not being run when the file was uploaded in chunks through the API. This option has been available to users who can upload files since MediaWiki 1.19.

This issue was fixed in MediaWiki v1.20.6 and MediaWiki v1.19.7.

Remediation

Upgrade to the latest version of MediaWiki.

References

CVE-2013-2114

Related Vulnerabilities

WordPress Plugin The Piecemaker 'php.php' Arbitrary File Upload (1.1)

SharePoint Unrestricted Upload of File with Dangerous Type Vulnerability (CVE-2020-0974)

WordPress Plugin File Manager Arbitrary File Upload (6.8)

WordPress Plugin GiveWP-Donation and Fundraising Platform Multiple Vulnerabilities (2.20.2)

WordPress Plugin MapSVG Lite Arbitrary File Upload (4.2.4)

Severity

High

Classification

CVE-2013-2114 CWE-434 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N

Tags

Abuse Of Functionality