Vulnerability identifier: #VU74118
Vulnerability risk: Low
CVSSv3.1: 3.1 [CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-281
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
Nextcloud Server
Client/Desktop applications /
Messaging software
Nextcloud Enterprise Server
Client/Desktop applications /
Messaging software
Vendor: Nextcloud
Description
The vulnerability allows a remote attacker to compromise the system.
The vulnerability exists due to improper preservation of permissions. A remote user can delete files they are not supposed to deletable but only viewed or downloaded.
Mitigation
Install updates from vendor's website.
Vulnerable software versions
Nextcloud Server: 24.0.0 - 24.0.8
Nextcloud Enterprise Server: 24.0.0 - 24.0.8
External links
http://github.com/nextcloud/security-advisories/security/advisories/GHSA-8v5c-f752-fgpv
http://github.com/nextcloud/server/pull/33941
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.