Improper access control in Joomla! - CVE-2017-7989
Published: April 25, 2017
Vulnerability identifier: #VU6384
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N/E:U/U:Green
CVE-ID: CVE-2017-7989
CWE-ID: CWE-284
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Joomla!
Affected software:
Joomla!
Joomla!
Detailed vulnerability description
The disclosed vulnerability allows a remote attacker to bypass certain security restrictions.
The vulnerability exists due to improper mime type checks when processing file uploads. A remote authenticated user can bypass implemented security restrictions and upload arbitrary .swf files even if it is explicitly forbidden.
How to mitigate CVE-2017-7989
Update to version 3.7.0.