Vulnerability identifier: #VU40804

Vulnerability risk: Low

CVSSv3.1: 3 [CVSS:3.1/AV:N/AC:L/PR:/UI:N/S:U/C:L/I:L/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2015-1398

CWE-ID: CWE-22

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Magento Open Source
Web applications / E-Commerce systems

Vendor: Magento, Inc

Description

The vulnerability allows a remote #AU# to read and manipulate data.

Multiple directory traversal vulnerabilities in Magento Community Edition (CE) 1.9.1.0 and Enterprise Edition (EE) 1.14.1.0 allow remote authenticated users to include and execute certain PHP files via (1) .. (dot dot) sequences in the PATH_INFO to index.php or (2) vectors involving a block value in the ___directive parameter to the Cms_Wysiwyg controller in the Adminhtml module, related to the blockDirective function and the auto loading mechanism. NOTE: vector 2 might not cross privilege boundaries, since administrators might already have the privileges to execute code and upload files.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Magento Open Source: 1.9.1.0, 1.14.1.0

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External links
http://blog.checkpoint.com/2015/04/20/analyzing-magento-vulnerability/
http://magento.com/blog/technical/critical-security-advisory-remote-code-execution-rce-vulnerability
http://www.securitytracker.com/id/1032194

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.