CVE-2021-41256: Intent URI permissions manipulation in nextcloud news-android
nextcloud news-android is an Android client for the Nextcloud news/feed reader app. In affected versions the Nextcloud News for Android app has a security issue by which a malicious application installed on the same device can send it an arbitrary Intent that gets reflected back, unintentionally giving read and write access to non-exported Content Providers in Nextcloud News for Android. Users should upgrade to version 0.9.9.63 or higher as soon as possible.
Affected Software
Remediation
Event History
Frequently Asked Questions
What is the severity of CVE-2021-41256?
CVE-2021-41256 has a moderate severity rating due to the potential for arbitrary Intent injections by malicious applications.
How do I fix CVE-2021-41256?
To fix CVE-2021-41256, update the Nextcloud News for Android app to version 0.9.9.63 or later.
What versions of Nextcloud News for Android are affected by CVE-2021-41256?
CVE-2021-41256 affects all versions of Nextcloud News for Android prior to 0.9.9.63.
Can other apps exploit CVE-2021-41256?
Yes, a malicious application on the same device can exploit CVE-2021-41256 to send arbitrary Intents to the Nextcloud News app.
Is CVE-2021-41256 specific to Android?
Yes, CVE-2021-41256 specifically affects the Nextcloud News Android client.