Limitation of app specific password scope can be bypassed (NC-SA-2017-009)

Summary

#Limitation of app specific password scope can be bypassed (NC-SA-2017-009)

Risk level: Low CVSS v3 Base Score: 3 (AV:N/AC:H/PR:L/UI:R/S:C/C:L/I:N/A:N) CWE: Improper Authorization (CWE-285)

#Description Improper session handling allowed an application specific password without permission to the files access to the users file.

#Affected Software

• Nextcloud Server < 11.0.3 (CVE-2017-0892)

#Action Taken The permission check has been corrected and reviewed.

#Acknowledgements The Nextcloud team thanks the following people for their research and responsible disclosure of the above advisory:

• Mmakosdel - Vulnerability discovery and disclosure.