Input validation error in nextcloud - CVE-2017-0887
Published: April 5, 2017 / Updated: August 8, 2020
Vulnerability identifier: #VU39275
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2017-0887
CWE-ID: CWE-20
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 manipulate data.
Nextcloud Server before 9.0.55 and 10.0.2 suffers from a bypass in the quota limitation. Due to not properly sanitizing values provided by the `OC-Total-Length` HTTP header an authenticated adversary may be able to exceed their configured user quota. Thus using more space than allowed by the administrator.
How to mitigate CVE-2017-0887
Install update from vendor's website.