SB2013072501 - Arbitrary file upload in Joomla!
Published: July 25, 2013 Updated: March 13, 2017
Security Bulletin ID
SB2013072501
CSH Severity
Critical
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Arbitrary file upload (CVE-ID: CVE-2013-5576)
CWE-ID: CWE-434 - Unrestricted Upload of File with Dangerous Type
CVSSv4: 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
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.
Remediation
Install update from vendor's website.