Vulnerability identifier: #VU27957
Vulnerability risk: Medium
CVSSv3.1: 4.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID: N/A
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
Nextcloud Server
Client/Desktop applications /
Messaging software
Vendor: Nextcloud
Description
The vulnerability allows a remote attacker to wipe devices of other users.
The vulnerability exists due to insecure direct object reference in Nextcloud Server. A remote attacker can send specially crafted request directory to the affected endpoint and remotely wipe devices of other users.
Mitigation
Install updates from vendor's website.
Vulnerable software versions
Nextcloud Server: 18.0.0 - 18.0.2
External links
http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00037.html
http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00038.html
http://hackerone.com/reports/819807
http://nextcloud.com/security/advisory/?id=NC-SA-2020-018
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.