CVE-2017-0887

Description

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.

Categories

4.3
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.40%
Vendor Advisory nextcloud.com
Affected: Nextcloud Nextcloud Server
Published at:
Updated at:

References

Link Tags
https://nextcloud.com/security/advisory/?id=nc-sa-2017-005 patch vendor advisory broken link
https://hackerone.com/reports/173622 third party advisory

Frequently Asked Questions

What is the severity of CVE-2017-0887?
CVE-2017-0887 has been scored as a medium severity vulnerability.
How to fix CVE-2017-0887?
To fix CVE-2017-0887, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2017-0887 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2017-0887 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2017-0887?
CVE-2017-0887 affects Nextcloud Nextcloud Server.
This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.
© 2025 Under My Watch. All Rights Reserved.