Path traversal in Pimcore CMS

1) Path traversal

EUVDB-ID: #VU76746

Risk: Medium

CVSSv3.1: 5.1 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-2984

CWE-ID: CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

Exploit availability: No

Description

The vulnerability allows a remote attacker to overwrite arbitrary files on the system.

The vulnerability exists due to input validation error when processing directory traversal sequences passed via the pimcore_log parameter. A remote attacker can send a specially crafted HTTP request and overwrite arbitrary files on the system.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Pimcore: 10.5.0 - 10.5.21

External links

http://huntr.dev/bounties/5df8b951-e2f1-4548-a7e3-601186e1b191
http://github.com/pimcore/pimcore/commit/e8dbc4da58ae86618bceb67ed35ce23e5e54d2ed
http://github.com/pimcore/pimcore/security/advisories/GHSA-46g3-f9r8-xj4v

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.