#VU12595 Authorization bypass through user-controlled SQL primary key in Nextcloud Server - CVE-2017-0936

Vulnerability identifier: #VU12595

Vulnerability risk: Low

CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear

CVE-ID: CVE-2017-0936

CWE-ID: CWE-566

Exploitation vector: Remote access

Exploit availability: No public exploit available

Vulnerable software:
Nextcloud Server

Software vendor:
Nextcloud

The vulnerability allows a remote authenticated attacker to bypass security restrictions and on the target system.

The weakness exists due to authorization bypass through user-controlled key. A remote attacker can change the scope of app passwords of other users and write arbitrary files on the target system.

Update to versions 11.0.7 or 12.0.5.

• https://nextcloud.com/security/advisory/?id=nc-sa-2018-001