Information disclosure in nextcloud - CVE-2017-0885
Published: April 5, 2017 / Updated: August 8, 2020
Vulnerability identifier: #VU39273
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-2017-0885
CWE-ID: CWE-200
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Nextcloud
Affected software:
nextcloud
nextcloud
Detailed vulnerability description
The vulnerability allows a remote authenticated user to gain access to sensitive information.
Nextcloud Server before 9.0.55 and 10.0.2 suffers from a error message disclosing existence of file in write-only share. Due to an error in the application logic an adversary with access to a write-only share may enumerate the names of existing files and subfolders by comparing the exception messages.
How to mitigate CVE-2017-0885
Install update from vendor's website.