CVE-2021-32695 Malicious Android app could access Shared Preferences of the Nextcloud Android client
A malicious Android app could access limited private data from the Nextcloud client's shared preferences if the user initiated a sharing flow.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2021-32695?
CVE-2021-32695 is a low-severity vulnerability in nextcloud security-advisories, published on 17 Jun 2021. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
Nextcloud Android app is the Android client for Nextcloud. In versions prior to 3.16.1, a malicious app on the same device could have gotten access to the shared preferences of the Nextcloud Android application. This required user-interaction as a victim had to initiate the sharing flow and choose the malicious app. The shared preferences contain some limited private data such as push tokens and the account name. The vulnerability is patched in version 3.16.1.
Weakness: CWE-200
Which versions are affected by CVE-2021-32695?
1 open source package ship an affected version, including nextcloud. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
nextcloud Bitnami | All versions | 3.16.1 |
Products include Nextcloud Nextcloud.
How do I fix CVE-2021-32695?
Upgrade nextcloud to 3.16.1 or later.
Is CVE-2021-32695 being exploited?
There is no known exploitation of CVE-2021-32695 in the wild and no public exploit code.
Other vulnerabilities in nextcloud security-advisories
- CVE-2019-5454 SQL injection in com.nextcloud.client
- CVE-2021-43863 SQL Injection in FileContentProvider (GHSL-2021-1007)
- CVE-2019-5450 Cross-site scripting in com.nextcloud.client
- CVE-2019-5455 Auth bypass in com.nextcloud.client
- CVE-2021-22905 Information disclosure in Nextcloud Android App (com.nextcloud.client)
Sources
Also known as BIT-nextcloud-2021-32695, GHSA-25m9-cf6c-qf2c.