Path traversal in Chumper Zipper



Published: 2020-03-04 | Updated: 2020-03-05
Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID N/A
CWE-ID CWE-22
Exploitation vector Network
Public exploit Public exploit code for vulnerability #1 is available.
Vulnerable software
Subscribe
Zipper
Web applications / Modules and components for CMS

Vendor Nils Plaschke

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Path traversal

EUVDB-ID: #VU25765

Risk: Medium

CVSSv3.1: 6.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:P/RL:O/RC:C]

CVE-ID: N/A

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 perform directory traversal attacks.

The vulnerability exists due to input validation error of filenames when processing directory traversal sequences. A remote attacker can send a specially crafted HTTP request and read arbitrary files on the system, leading to to arbitrary file write via Archive Extraction (Zip Slip).

Mitigation

Install update from vendor's website.

Vulnerable software versions

Zipper: 0.5.0 - 1.0.2

External links

http://snyk.io/vuln/SNYK-PHP-CHUMPERZIPPER-552162
http://github.com/Chumper/Zipper/commit/d15207e010f8fe1bdd341376bd86d599c4166423


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.



###SIDEBAR###