CVE-2017-0887: Input Validation
First published: Wed Apr 05 2017(Updated: )
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.
Credit: support@hackerone.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Nextcloud Server | <9.0.55 | |
| Nextcloud Server | >=10.0.0<10.0.2 |
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2017-0887?
CVE-2017-0887 has a moderate severity rating as it allows authenticated users to bypass quota limitations.
How do I fix CVE-2017-0887?
To fix CVE-2017-0887, update Nextcloud Server to versions 9.0.55 or 10.0.2 or later.
Who is affected by CVE-2017-0887?
CVE-2017-0887 affects all versions of Nextcloud Server prior to 9.0.55 and between 10.0.0 and 10.0.2.
What impact does CVE-2017-0887 have on users?
CVE-2017-0887 allows an authenticated user to exceed their set storage quota, potentially leading to service disruption.
Is CVE-2017-0887 a remote or local vulnerability?
CVE-2017-0887 is a local vulnerability that requires user authentication to exploit.
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