Unrestricted file upload in Simple File Upload for Joomla!



| Updated: 2017-05-01
Risk High
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2011-5148
CWE-ID CWE-434
Exploitation vector Network
Public exploit Public exploit code for vulnerability #1 is available.
Vulnerable software
 Simple File Upload
Web applications / Modules and components for CMS

Vendor Anders Wasen

Security Bulletin

This security bulletin contains one high risk vulnerability.

1) Unrestricted file upload

EUVDB-ID: #VU6169

Risk: Low

CVSSv4.0: 5.5 [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:P/U:Clear]

CVE-ID: CVE-2011-5148

CWE-ID: CWE-434 - Unrestricted Upload of File with Dangerous Type

Exploit availability: Yes

Description

The vulnerability allows a remote attacker to execute arbitrary PHP code on the target system.

The weakness exists due to the improper validation of file extensions by the index.php script. A remote attacker can send a specially-crafted HTTP request, upload a malicious PHP script and execute arbitrary PHP code on the system.

Successful exploitation of the vulnerability results in arbitrary PHP code execution on the vulnerable system.

Mitigation

Update to version 1.3.5.

Vulnerable software versions

Simple File Upload: 1.0 - 1.3

CPE2.3 External links

https://docs.joomla.org/Vulnerable_Extensions_List#Simple_File_Upload_1.3


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability. However, proof of concept for this vulnerability is available.



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