Vulnerability identifier: #VU21107

Vulnerability risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2019-16317

CWE-ID: CWE-22

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Pimcore
Web applications / CMS

Vendor: Pimcore

Description

The vulnerability allows a remote attacker to perform directory traversal attacks.

The vulnerability exists due to input validation error when processing directory traversal sequences within the file names. A remote authenticated attacker can create a specially crafted .phar file and execute arbitrary code on the system via a phar:// URL in a filename parameter that contains directory traversal characters 

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Pimcore: 5.7.0

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External links
http://github.com/pimcore/pimcore/commit/6ee5d8536d0802e377594cbe39083e822710aab9

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Q & A

Can this vulnerability be exploited remotely?

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

Is there known malware, which exploits this vulnerability?

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