Input validation error in Pimcore

1) Input validation error

EUVDB-ID: #VU41781

Risk: Medium

CVSSv3.1: 5.9 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L/E:P/RL:O/RC:C]

CVE-ID: CVE-2014-2922

CWE-ID: CWE-20 - Improper input validation

Exploit availability: Yes

Description

The vulnerability allows a remote non-authenticated attacker to manipulate or delete data.

The getObjectByToken function in Newsletter.php in the Pimcore_Tool_Newsletter module in pimcore 1.4.9 through 2.1.0 does not properly handle an object obtained by unserializing a pathname, which allows remote attackers to conduct PHP object injection attacks and delete arbitrary files via vectors involving a Zend_Http_Response_Stream object.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Pimcore: 1.4.9 - 2.1.0

External links

http://openwall.com/lists/oss-security/2014/04/21/1
http://www.pimcore.org/en/resources/blog/pimcore+2.2+released_b442
http://github.com/pedrib/PoC/blob/master/pimcore-2.1.0.txt

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.