Query restriction bypass on exposed FileContentProvider in Android app (NC-SA-2019-011)
26th July 2019
Risk level: Low
CVSS v3 Base Score: 2.7 (AV:P/AC:H/PR:H/UI:R/S:U/C:L/I:N/A:L)
CWE: Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') (CWE-89)
HackerOne report: 518669
Description
Not strictly enough sanitization allowed an attacker to get content information from protected tables when using custom queries.
Affected Software
- Nextcloud Android < 3.6.1 (CVE-2019-15622)
Action Taken
The error has been fixed.
Resolution
It is recommended that users upgrade to version 3.6.1 or later.
Acknowledgements
The Nextcloud team thanks the following people for their research and responsible disclosure of the above advisory:
This advisory is licensed CC BY-SA 4.0.