#VU4605 Arbitrary file upload in Joomla! - CVE-2013-5576
Published: January 16, 2017 / Updated: March 13, 2017
Vulnerability identifier: #VU4605
Vulnerability risk: Critical
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:A/U:Red
CVE-ID: CVE-2013-5576
CWE-ID: CWE-434
Exploitation vector: Remote access
Exploit availability:
Public exploit is available
Vulnerable software:
Joomla!
Joomla!
Software vendor:
Joomla!
Joomla!
Description
The vulnerability allows a remote attacker to execute arbitrary PHP code on the target system.
The weakness exists due to improper validation of file extensions by the media.php and index.php scripts. A remote attacker can create a specially crafted HTTP request, upload a malicious PHP script and execute arbitrary PHP code.
Successful exploitation of the vulnerability results in arbitrary PHP code execution on the vulnerable system.
Note: the vulnerability was being actively exploited.
The weakness exists due to improper validation of file extensions by the media.php and index.php scripts. A remote attacker can create a specially crafted HTTP request, upload a malicious PHP script and execute arbitrary PHP code.
Successful exploitation of the vulnerability results in arbitrary PHP code execution on the vulnerable system.
Note: the vulnerability was being actively exploited.
Remediation
Update to version 2.5.14 or 3.1.5.