Vulnerability identifier: #VU85588
Vulnerability risk: Low
CVSSv3.1: 3.6 [CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:N/A:N/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-284
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
Files ZIP
Web applications /
Modules and components for CMS
Vendor: Nextcloud
Description
The vulnerability allows a remote attacker to gain unauthorized access to otherwise restricted functionality.
The vulnerability exists due to improper access restrictions. A remote user can download "view-only" files by zipping the complete folder.
Mitigation
Install updates from vendor's website.
Vulnerable software versions
Files ZIP: 1.2.0 - 1.4.0
External links
http://github.com/nextcloud/security-advisories/security/advisories/GHSA-vhj3-mch4-67fq
http://github.com/nextcloud/files_zip/commit/43204539d517a13e945b90652718e2a213f46820
http://hackerone.com/reports/2247457
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.