CVE-2017-0884

Description

Nextcloud Server before 9.0.55 and 10.0.2 suffers from a creation of folders in read-only folders despite lacking permissions issue. Due to a logical error in the file caching layer an authenticated adversary is able to create empty folders inside a shared folder. Note that this only affects folders and files that the adversary has at least read-only permissions for.

Categories

4.3
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.21%
Vendor Advisory nextcloud.com
Affected: Nextcloud Nextcloud Server
Published at:
Updated at:

References

Link Tags
https://nextcloud.com/security/advisory/?id=nc-sa-2017-002 patch vendor advisory broken link
https://hackerone.com/reports/169680 third party advisory

Frequently Asked Questions

What is the severity of CVE-2017-0884?
CVE-2017-0884 has been scored as a medium severity vulnerability.
How to fix CVE-2017-0884?
To fix CVE-2017-0884, 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-2017-0884 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2017-0884 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-2017-0884?
CVE-2017-0884 affects Nextcloud Nextcloud Server.
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