Security restrictions bypass in Joomla! - CVE-2018-15882

 

Security restrictions bypass in Joomla! - CVE-2018-15882

Published: August 29, 2018 / Updated: September 1, 2018


Vulnerability identifier: #VU14558
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2018-15882
CWE-ID: CWE-264
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Joomla!
Affected software:
Joomla!

Detailed vulnerability description

The disclosed vulnerability allows a remote attacker to bypass security restrictions.

The vulnerability exists due to inadequate checks in the InputFilter class. A remote attacker can use specifically prepared PHAR files to bypass the upload filter.


How to mitigate CVE-2018-15882

Update to version 3.8.12.

Sources