Information disclosure in Nextcloud Server - CVE-2018-3762
Published: August 7, 2018
Vulnerability identifier: #VU14215
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2018-3762
CWE-ID: CWE-273
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Nextcloud
Affected software:
Nextcloud Server
Nextcloud Server
Detailed vulnerability description
The vulnerability allows a remote authenticated attacker to obtain potentially sensitive information on the target system.
The vulnerability exists due to a missing check for read permissions. A remote attacker who receive an incomming share containing files tagged can still request a preview for arbitrary files.
How to mitigate CVE-2018-3762
Update to version 12.0.8 or 13.0.3.