NextcloudGHSA-25M9-CF6C-QF2CMalicious Android app could access Shared Preferences of the Nextcloud Android client
4.3 Medium
CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
AV:N/AC:M/Au:N/C:P/I:N/A:N
3.9 Low
CVSS3
Attack Vector
PHYSICAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
LOW
CVSS:3.1/AV:P/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:L
0.001 Low
EPSS
Percentile
37.5%
Description
Impact
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.
Patches
It is recommended that the Nextcloud Android App is upgraded to 3.16.1.
Workarounds
None.
References
For more information
If you have any questions or comments about this advisory:
- Create a post in nextcloud/security-advisories
- Customers: Open a support ticket at support.nextcloud.com
| CPE | Name | Operator | Version |
|---|---|---|---|
| nextcloud android client | lt | 3.16.1 |
Related
4.3 Medium
CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
AV:N/AC:M/Au:N/C:P/I:N/A:N
3.9 Low
CVSS3
Attack Vector
PHYSICAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
LOW
CVSS:3.1/AV:P/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:L
0.001 Low
EPSS
Percentile
37.5%